Reliable scales for precise industrial weighing
Scales are essential for accurate weight determination in production, laboratory and shipping environments, providing clear benefits in process control, quality assurance and legal compliance. A well-chosen scale delivers the required weighing range and readability while ensuring repeatable results for tasks such as quality control, recipe formulation or parcel handling, and integrates features like tare, counting and data export to streamline workflows. Consideration of environmental influences, routine calibration or legal verification and sturdy construction for heavy-duty use ensures consistent performance with precision scales, platform scales and counting scales.
1 mg–500 mg Weight Set Three-Point E2 Polished Stainless Steel Plates, Plastic Case - KERN
Take advantage of the combination of high accuracy, durable stainless‑steel weights and compact storage for consistent milligram calibrations; order the set directly via Metav Werkzeuge or consult our specialists for application advice. Calibration weight set 318-22 (KERN) — OIML class E2, 1 mg–500 mg A compact calibration weight set designed for high‑precision balances and milligram measurements, supplied in a protective plastic case for secure storage and transport. OIML class E2 precision 1 mg–500 mg mass range Polished stainless steel weights Compact plastic case for safe transport Accuracy that meets stringent measurement requirements Calibrated to OIML E2 tolerances, the set covers the crucial milligram range of 1 mg–500 mg, making it suitable for laboratories, watchmaking and precision workshops where low measurement uncertainty is required. The specified class indicates tight permissible error limits; using a certified set reduces calibration drift and supports traceable results for test procedures. This reliability translates into fewer re‑measurements and a steadier quality workflow for metrology tasks. Durable construction for repeatable results Each weight is made from precision‑turned stainless steel, then polished to a stable surface finish to minimise contamination and handling effects. The compact plastic case keeps the components organised and prevents damage or loss during storage. Robust materials and careful manufacture help maintain mass stability over time, which means less frequent recalibration and lower total effort for routine verification. Practical fit for workshop and laboratory routines The milligram configuration in compact form supports quick checks and on‑bench adjustments of fine balances. The set is designed to integrate into regular maintenance cycles and to shorten downtime for weighing equipment. Where legal metrological verification is constrained, a DAkkS calibration is recommended as an equivalent traceable service for many applications, ensuring documented conformity and secure audit trails for quality systems. For traceable documentation and tailored advice, the labelled SKU supports easy ordering and inventory control. For precision tasks requiring certified milligram reference masses, request the KERN calibration weight set 318-22 from Metav Werkzeuge — our Emmerich team will arrange shipment and advise on DAkkS calibration options to match the application. Technical data Article number: 318-22 Manufacturer: KERN GTIN: 4045761004139 OIML class: E2 Nominal range: 1 mg–500 mg Material: precision‑turned stainless steel Case material: plastic Form: compact form Facts Net weight: 0.09 kg Country of origin: CN Tariff code: 84239090 eClass: 32120103 Special features Milligram weight set, plättchen design Polished stainless steel finish Supplied in protective plastic case Recommended: use with a suitable case for high‑precision class FAQ What applications is this weight set intended for? The calibration weight set 318-22 by KERN is intended for precision balances and milligram calibrations in laboratories, watchmaking and fine‑tolerance workshop tasks. Is a DAkkS certificate available for these weights? A DAkkS calibration is recommended for the KERN 318-22 set; it provides traceable calibration documentation suitable for most professional and audit requirements. How should the weights be stored to preserve accuracy? Store the polished stainless‑steel weights in the supplied plastic case to avoid contamination and mechanical damage; handle with gloves or tweezers to limit surface deposits that can affect mass. Can this set be used for legal verification? The set meets OIML E2 specifications; note that initial EU verification of weights is restricted from 30.11.2025, so a DAkkS calibration is advised as the equivalent traceable service for many uses. Manufacturer: KERN · Sold and distributed by Metav Werkzeuge, Emmerich am Rhein · info@metav-werkzeuge.com · +49 2822 7131930
1g-2g Plastic Case for Single Test Weights Button/Compact, For Class E2 - KERN
Benefit from a compact, durable plastic case that protects single calibration weights from 1 g to 2 g to accuracy class E2, ensuring organised storage and safe handling in the workshop or laboratory; order directly via Metav Werkzeuge or consult our team for application advice. KERN 317-020-400 Plastic case — protective storage for single calibration weights, 1 g–2 g (class E2) KERN 317-020-400 is a robust plastic enclosure designed for the safe storage and transport of single calibration weights in the compact/button format, optimised for precision environments. Protective plastic case for single weights Fits compact/button weights 1 g–2 g Suitable for accuracy class E2 Lightweight 20 g protective storage Secure storage that preserves calibration integrity The plastic case provides a compact and stable environment for individual calibration weights, reducing handling-related errors and contamination. Built for single-weight storage in the button/compact configuration, the enclosure keeps each weight separated and secured to prevent surface damage that could affect measurement accuracy. The case’s durable plastic construction offers a balance of impact resistance and low weight, making it suitable for bench storage and controlled transport within calibration workflows. By maintaining the condition of the weights, the housing supports consistent measurement performance for instruments that rely on small nominal masses. Integrates cleanly into calibration and metrology workflows Designed for laboratories and service technicians working with fine masses, the case streamlines organisation and inventory control for weights in the 1 g–2 g range and E2 tolerance class. The compact footprint enables efficient use of bench space and simple stacking in storage cabinets or calibration kits. Clear labelling opportunities and the standardised form factor of the enclosure aid traceability in routine checks and recalibration cycles. The practical design helps to minimise downtime: weights remain accessible and test-ready, supporting faster setup and repeatable measurement procedures in quality-critical environments. Practical advantages for everyday workshop and service use For technicians who move calibration sets between workstations, the lightweight and resilient housing reduces the risk of accidental damage while remaining easy to carry. The case’s construction is suited to regular handling and provides basic protection against dust and light mechanical impact. As part of a broader supply strategy, such enclosures help to centralise equipment storage and improve the organisation of small nominal masses, contributing to dependable process control in production, service, and inspection routines. The product’s compatibility with standard compact/button masses simplifies integration with existing calibration kits and holders. Choose the KERN 317-020-400 Plastic case for reliable E2 storage — contact Metav Werkzeuge in Emmerich for tailored advice or to arrange supply via info@metav-werkzeuge.com and +49 2822 7131930 Technical data SKU: 317-020-400 Manufacturer: KERN GTIN: 4045761081116 Origin: Germany Material: Plastic Facts Nominal values: 1 g–2 g Accuracy class: E2 Net weight: 0.02 kg Tariff code: 84239090 Special features Case for single calibration weights (button/compact) Product category: Calibration weight cases & etuis Product group: Plastic case for single weights FAQ What sizes of weights fit this case? The case is made for single calibration weights with nominal values from 1 g to 2 g in the compact/button format. Is the housing suitable for accuracy class E2 weights? Yes, the enclosure is specified for storage of weights to accuracy class E2, helping to preserve their condition between uses. Which material is used for the case and what benefits does it provide? The case is manufactured from durable plastic, offering lightweight protection against dust and minor impacts while remaining easy to handle. Can the case be integrated into existing calibration kits? The compact/button form factor is compatible with standard kits and supports organised storage in calibration workflows. Does the product include individual compartments for each weight? The case is designed for single-weight storage in the button/compact format to keep masses separated and protected. KERN — Germany
1 g Calibration Weight Button Stainless Steel Fine-Turned OIML Class M2, Single Weight - KERN
Precision calibration with OIML class M2 accuracy, corrosion‑resistant fine‑turned stainless steel and a compact button form for reliable routine checks. Order the KERN 357-01 single test weight directly via Metav Werkzeuge or ask our consultants if needed. KERN 357-01 single test weight — 1 g, OIML class M2, button form A KERN 357-01 single test weight designed for the calibration of precision balances and scales in laboratories, workshops and quality control environments. Single 1 g test weight (OIML class M2) Fine-turned stainless steel, button form Calibrates precision balances and scales SKU 357-01; manufacturer KERN Consistent calibration results for routine and spot checks The OIML class M2 rating indicates a controlled tolerance band suitable for everyday calibration tasks where repeatable accuracy is required. As a 1 g nominal mass produced in a button form, this calibration mass reduces handling variability and enables straightforward placement on pans of small balances. The practical outcome is shorter verification cycles and fewer out-of-tolerance incidents, which helps maintain production throughput and measurement confidence during regular quality checks. Robust material and design for long service life Manufactured from fine‑turned stainless steel, the weight offers high resistance to surface wear and corrosion, keeping nominal mass and geometry stable over time. The button form simplifies gripping with tweezers or forceps, minimising contamination from fingerprints and easing cleaning. For operations seeking durable calibration tools, this construction translates into lower replacement frequency and consistent measurement behaviour across frequent use. Easy integration into calibration routines and traceability workflows As a single calibration mass, the product fits neatly into existing calibration procedures for balances and scales, supporting rapid spot checks and routine verifications. The compact design and clear SKU labelling contribute to efficient inventory management and traceable documentation within quality systems. Where measurement compliance and predictable performance are priorities, this test weight provides a practical component for a dependable calibration programme. Contact Metav Werkzeuge in Emmerich for specialist advice on KERN calibration masses and fast, reliable delivery to your workshop. Technical data SKU: 357-01 Article number: 357 Manufacturer: KERN Nominal mass: 1 g Mass (kg): 0.001 OIML class: M2 eClass: 32120103 Material: fine‑turned stainless steel Form: button form Product designation: single test weight Product group: OIML M2 test weights Category path: Scales → Test weights FAQ What is the intended use for this 1 g test weight? The KERN 357-01 single test weight is intended for calibration and routine checks of precision balances and laboratory scales where OIML class M2 tolerances are appropriate. Can the KERN 357-01 be used for traceable calibrations? Yes; as an OIML class M2 calibration mass, the KERN 357-01 supports traceable verification routines when used alongside appropriate documentation and calibration certificates. How should the test weight be handled and stored to maintain accuracy? Handle the weight with tweezers or gloves to avoid contamination; store it in a clean, dry case to protect the fine‑turned stainless steel surface and preserve long-term measurement stability. Is this single weight suitable for workshop and quality‑control environments? The KERN 357-01 is suited to both workshop and laboratory environments for routine verification of small-capacity balances, offering a balance of durability and handling convenience. Metav Werkzeuge, Emmerich am Rhein, Germany — info@metav-werkzeuge.com — +49 2822 7131930 — WhatsApp: +49 170 2837271
1 g Calibration Weight Button Stainless Steel Fine-Turned OIML F2 0.3 mg Tolerance - KERN
Take advantage of the combination of OIML class F2 precision, a 1 g nominal value and fine‑turned stainless steel construction for reliable balance checks and long service life. Order the item directly via Metav Werkzeuge or consult our specialists for accessory recommendations such as a protective case. KERN 337-01 — 1 g OIML F2 fine‑turned stainless steel check weight A KERN 337-01 single 1 g button weight for traceable calibration and routine verification of precision balances OIML class F2 accuracy for laboratory checks Fine‑turned stainless steel for corrosion resistance Knob (button) form for secure handling Recommended storage in a protective case Consistent accuracy to keep processes running The OIML class F2 specification and a tight tolerance of 0.3 mg make this calibration weight suitable for verification of analytical and precision balances where consistent results are critical. As a traceable calibration standard, the weight supports reproducible measurements, reducing rework and machine downtime. The small nominal mass is ideal for checks in laboratories, inspection stations and calibration benches where micro‑variations matter. Traceability and compliance explained OIML classes define acceptable deviations for standard weights; F2 indicates suitability for high‑precision routine checks rather than primary reference standards. This classification ensures that the weight can be used confidently for conformity testing and internal verification routines. Documentation and labelling on the weight facilitate record keeping and help demonstrate conformity during quality audits. Robust material for everyday use Manufactured from fine‑turned stainless steel, the unit resists corrosion and wear that could otherwise compromise mass over time. The knob (button) shape simplifies handling with tweezers or gloves, reducing fingerprints and contamination that affect readings. These design choices extend the interval between recertifications and preserve measurement integrity in regular use. Practical handling and recommended accessories Small calibration weights benefit from secure storage to maintain accuracy; a fitted protective case is advised to prevent contact damage and contamination. Handling with suitable tweezers or gloves and keeping the weight in a controlled environment will preserve its calibration state. For assembly with existing calibration sets, the compact design and standard dimensions allow easy integration into test routines. For traceable calibration solutions, contact Metav Werkzeuge to order the KERN 337-01 and to request recommended accessories such as a protective case; Metav’s consultants are available via info@metav-werkzeuge.com or by telephone for technical guidance Technical Data Article number: 337 SKU: 337-01 GTIN: 4045761006287 Manufacturer: KERN Country of origin: DE Tariff number: 84239090 Facts Nominal value: 1 g OIML class: F2 Tolerance: 0,3 mg Cylinder dimensions: 6×6 mm Special features Material: fine‑turned stainless steel Form: knob (button) Product group: single weight Product category: check weights FAQ What accuracy class does this weight meet? The KERN 337-01 meets OIML class F2, suitable for high‑precision routine checks with a tolerance of 0.3 mg. Is the weight suitable for laboratory verification of analytical balances? Yes, the 1 g nominal mass and F2 classification make this calibration weight suitable for verification tasks on precision and analytical balances. What material is the weight made from and why does it matter? The weight is made from fine‑turned stainless steel, which provides corrosion resistance and dimensional stability to preserve calibration over time. Manufacturer: KERN — Germany — enquiries via Metav Werkzeuge: info@metav-werkzeuge.com, +49 2822 7131930
1 g Precision Test Weight Compact Polished Stainless Steel, OIML E2 Tolerance 0.03 mg - KERN
Take advantage of the combination of high metrological accuracy, compact handling and durable stainless steel construction to ensure consistent calibration results; order the KERN 316-01 directly via Metav Werkzeuge or ask our consultants for technical advice. Calibration weight KERN 316-01 — OIML class E2, 1 g, polished stainless steel Calibration weight 316-01 is a compact single mass for dependable calibration of precision balances in laboratories and workshops, certified to OIML class E2. OIML class E2 precision 0.03 mg Nominal mass 1 g in compact form Polished stainless steel construction Suitable for calibration of precision balances Consistent accuracy where it matters The KERN 316-01 is designed for applications that demand repeatable results and rapid verification. With its classification as OIML class E2 and a stated tolerance of 0.03 mg, the mass provides a quantifiable basis for calibration and routine checks on high-precision instruments. This level of specification supports shorter adjustment cycles, reduces measurement uncertainty and helps maintain productivity in quality-controlled environments. The nominal value of 1 g is ideal for analytical and micro-balance checks where small-mass standards are required. Robust material and compact handling for everyday use Constructed from polished stainless steel, the single mass resists surface corrosion and eases cleaning, which reduces contamination risk during handling. The compact form with cylinder dimensions 6×6 mm gives the weight a small footprint suitable for tight balance pans and limited bench space. Handling efficiency is increased when paired with standard tweezers or gloves; minimising fingerprints and particulate transfer preserves the integrity of the mass and contributes to stable calibration results over repeated use. Practical compliance and workshop fit For workshops and calibration facilities seeking traceable performance without unnecessary complexity, this single mass combines recognised classification with practical usability. The OIML class E2 designation indicates conformity to international accuracy classes, aiding in comparative assessments and documentation. For storage and transport, a protective case is recommended to avoid abrasion and maintain tolerance; Metav provides suitable accessories for secure handling from its Emmerich warehouse, supporting reliable supply and straightforward logistics. Choose the KERN 316-01 for laboratory-grade calibrations and contact Metav Werkzeuge in Emmerich at info@metav-werkzeuge.com for personalised technical guidance and accessory recommendations Technical Data Article number: 316 SKU: 316-01 GTIN: 4045761094833 Manufacturer: KERN Country of origin: DE Commodity code: 84239090 Facts Nominal mass: 1 g OIML class: E2 Tolerance: 0.03 mg Cylinder dimensions: 6×6 mm Special features Material: Polished stainless steel Form: Compact form Product group: OIML E2 Recommended accessory: protective case (see accessories) Intended use: calibration of precision balances FAQ Is this weight suitable for calibrating analytical balances? Yes. The KERN 316-01 is an OIML class E2 calibration weight with a tolerance of 0.03 mg, making it appropriate for checks and calibrations on high-precision analytical balances. What material is the weight made from and how should it be handled? The single weight is made of polished stainless steel; it should be handled with clean tweezers or gloves to avoid fingerprints and contamination that could affect accuracy. Does the product include a calibration certificate? OIML class E2 denotes the accuracy class; for a traceable calibration certificate or specific accreditation details, please request the required documentation from Metav Werkzeuge prior to purchase. Is a protective case necessary for this weight? A protective case is recommended to maintain the tolerance and surface condition of the weight, especially during storage and transport. Can this mass be used in both laboratory and workshop environments? Yes. The construction and compact dimensions make the weight suitable for laboratory-grade calibrations as well as in workshop settings where precise mass standards are required. KERN — Manufacturer country: Germany
1 g Hook Weight OIML Class M1, Stainless Steel Turned, 1 mg Tolerance - KERN
Take advantage of precise OIML M1 conformity and a finely turned stainless steel body for dependable calibration results; combine compact handling with robust material quality for uninterrupted measurement routines. Order the hook weight directly via Metav Werkzeuge or consult our specialists for application advice. Hook weight – precision OIML M1, 1 g calibration weight by KERN The Hook weight is a precision calibration mass designed for reliable adjustment and verification of hanging scales and small balances in industrial and laboratory environments. OIML class M1, nominal value 1 g Fine-turned stainless steel construction Designed as a hook weight for calibration Made in Germany Stable accuracy that supports traceable measurements The OIML M1 classification combined with a nominal value of 1 g and a declared tolerance of 1 mg ensures the mass standard meets recognised benchmarks for routine verification. This level of accuracy reduces measurement uncertainty during daily checks and supports audit trails when log entries are required. The calibration mass functions as a compact reference for quick checks, enabling predictable outcomes when adjusting weighing instruments. Durable stainless steel body for long service life Manufactured from fine-turned stainless steel, the calibration mass resists corrosion and surface wear that could otherwise alter mass over time. The turned finish minimises surface irregularities, which helps preserve the defined mass and reduces the need for frequent replacement. As a result, maintenance intervals are extended and operational reliability is increased, making the component suitable for workshops where physical handling is frequent. Practical hook design for straightforward application The hook-shaped format simplifies attachment to hanging scales and quick-check fixtures, reducing handling time and the risk of improper placement. This compact hook weight is especially useful for instruments that require a suspended test mass for calibration checks. The ergonomic shape assists technicians in performing fast, repeatable verifications while keeping the calibration process efficient and secure. Documentation-friendly characteristics for quality systems The mass is suited to environments where documentation and conformity matter: the OIML M1 designation and the clear numerical tolerance support recording in quality systems and calibration logs. Using a recognised class of calibration weight helps maintain consistency across multiple workstations and aids compliance with standard operating procedures during internal audits. Small, robust asset that reduces downtime As a single, easy-to-store test weight, the component occupies minimal space yet provides immediate functional value for routine checks. Its robustness and resistance to environmental influences make it a low-risk, cost‑efficient tool that helps prevent extended machine downtime caused by unverified instruments. The test mass is engineered to contribute to steady production flow through simple, repeatable verification. Suitable for a range of industrial and lab tasks The compact calibration weight is applicable in production lines, incoming inspection, and laboratory verification work where a hanging mass is required. Supplied by a reputable manufacturer, the item integrates into standard calibration routines and complements broader metrological setups, offering a practical balance between portability and conformity. Contact Metav Werkzeuge for ordering or specification consultation regarding the KERN hook weight 347-016 and receive expert guidance from our Emmerich-based team Technical Data Article number: 347 SKU: 347-016 GTIN: 4045761256149 Manufacturer: KERN Facts Nominal value: 1 g Tolerance (OIML): 1 mg OIML class: M1 Cylinder dimensions: 6×6 mm Tariff number: 84239090 Origin: DE Special features Fine-turned stainless steel Hook weight design Single calibration mass OIML conformity FAQ What level of accuracy does this calibration weight offer? The KERN hook weight 347-016 is OIML class M1 with a nominal value of 1 g and a tolerance of 1 mg, suitable for routine verification of small balances and hanging scales. Can this weight be used on hanging scales and small balances? Yes. The hook design of the KERN 347-016 makes it particularly suitable for hanging scales while it also serves as a compact test mass for small balances. What material is the mass made from and why does that matter? The mass is made from fine-turned stainless steel, which provides corrosion resistance and dimensional stability to maintain accuracy over repeated use. Is the product suitable for use in quality-controlled environments? The OIML M1 classification and declared tolerance allow the calibration mass to be recorded in calibration logs and quality documentation as part of standard verification procedures. Where is the calibration weight manufactured? The KERN hook weight 347-016 is made in Germany, reflecting the manufacturing origin indicated for this product. Manufacturer: KERN, Germany
1 g Precision Calibration Weight Button Stainless Steel Fine-Turned, OIML M1 1 mg Tolerance - KERN
The finely turned stainless steel construction, combined with OIML M1 classification and a tight 1 mg tolerance, ensures consistent calibration results for routine checks; order the KERN 347-01 calibration weight directly via Metav Werkzeuge or contact our consultants for advice on DAkkS calibration. KERN 347-01 calibration weight — 1 g OIML M1, finely turned stainless steel knob The KERN 347-01 is a precision 1 g calibration weight in knob form, designed for laboratory and workshop balances where repeatable, traceable results are required OIML class M1 precision Nominal value 1 g with 1 mg tolerance Finely turned stainless steel construction Knob shape for secure handling DAkkS calibration recommended Reliable accuracy for routine metrology The OIML M1 classification combined with a 1 mg tolerance provides a clear technical basis for routine verification and short-term checks of precision balances. This level of specification means the weight is suited to commercial and industrial verification tasks where moderate precision is required; the metrological class defines admissible error limits so decisions about compliance and adjustment can be made with confidence. By using a certified reference such as this 1 g weight, measurement uncertainty is reduced and consistency between instruments is improved, supporting reproducible production and quality-control processes. Robust, easy-to-handle design for everyday use Manufactured from finely turned stainless steel, the weight resists surface wear and corrosion that can compromise long-term stability. The knob shape facilitates safe handling and positioning on balance pans, reducing the risk of fingerprints or contamination during use. Such a design shortens handling time and lowers the likelihood of accidental drops, which in turn preserves the calibrated mass. For busy workshops and testing labs, the combination of durable material and ergonomic form translates directly into fewer interruptions and a more efficient workflow. Traceability, calibration options and regulatory note Traceability to national standards is an essential part of reliable measurement. Where an EC type approval is no longer applicable after 30 November 2025, a DAkkS calibration is recommended because it provides an equivalent level of documented traceability for most applications. Choosing a DAkkS-certified calibration service ensures that the mass value is accompanied by a calibration certificate with stated uncertainties, which supports audit requirements and quality management systems. For those who need documented proof of conformity, this route offers a widely recognised solution without changing the physical properties of the weight. Contact Metav Werkzeuge for tailored advice on the KERN 347-01 and DAkkS calibration options—our Emmerich team can advise on traceability requirements and supply the weight with reliable, local service Technical data Article number: 347 SKU: 347-01 GTIN: 4045761008632 Manufacturer: KERN Facts Nominal value: 1 g Tolerance (OIML): 1 mg OIML class: M1 Cylinder dimensions: 6×6 mm Tariff number: 84239090 eCl@ss: 32120103 Special features Material: finely turned stainless steel Form: knob Origin: DE Shape: knopfform DAkkS calibration recommended Intended use: single calibration weight FAQ What accuracy class does this weight belong to? The KERN 347-01 is specified to OIML class M1, with a tolerance of 1 mg, making it suitable for routine checks and verification tasks where this accuracy level is required. Can the weight be calibrated and documented? Yes; a DAkkS calibration is recommended for the KERN 347-01 to provide traceable documentation of mass and uncertainty, which is appropriate for most professional applications. Is the material suitable for workshop environments? The weight is made from finely turned stainless steel, which offers good resistance to corrosion and mechanical wear, supporting long-term stability in workshop and laboratory conditions. How does the knob shape benefit handling? The knob form simplifies placement and removal on balance pans, reduces direct contact with the mass surface and lowers the risk of contamination or handling errors during routine use. Will this weight meet legal verification requirements? The KERN 347-01 is OIML class M1; for legal or regulatory verification needs, consult the applicable national regulations—DAkkS calibration can provide traceability documentation where EC type approval is not applicable. KERN, Germany (manufacturer information as provided in product data)
1 g Precision Calibration Weight Knob Polished Stainless Steel OIML E1, 0.01 mg Tolerance - KERN
Take advantage of precise, certified calibration with the combination of OIML class E1 accuracy and a polished stainless steel finish for reliable routine checks; order directly via Metav Werkzeuge or consult our specialists for advice and recommended protective cases. KERN 307-01 calibration weight — OIML Class E1, 1 g, polished stainless steel The KERN 307-01 is a high-precision calibration weight in knob form, designed for use in metrology and quality assurance where smallest deviations must be reliably controlled OIML class E1 certified Nominal value 1 g Polished stainless steel finish Tolerance ±0.01 mg Precision that supports reliable measurement results This calibration weight is manufactured to OIML class E1 standards, providing an exact 1 g nominal mass with a tolerance of ±0.01 mg. Such specification ensures consistent reference values during routine calibration of high-precision balances, reducing measurement uncertainty and supporting reproducible results in laboratory and production environments. The high metrological class means smaller corrections and improved confidence in measurement chains. Design that reduces handling errors and contamination The knob-shaped form simplifies handling while limiting surface contact during placement on balances; the polished stainless steel construction offers a smooth, non-porous surface that is easy to clean and resists corrosion. These design choices minimise contamination and wear, which in turn preserves long-term stability of the reference mass. For storage and transport, a protective case is recommended to avoid scratches and airborne deposits that can affect readings. Suitable use cases and operational advantages Intended for calibration tasks, this reference weight supports internal checks, periodic verification and laboratory quality assurance workflows where smallest deviations matter. The compact knob form and polished finish make it suitable for analytical balances and precision scales used in testing, research or production control. Originating from Germany and supplied by a recognised brand, the component contributes to dependable measurement routines and straightforward integration into existing calibration procedures. Contact Metav Werkzeuge in Emmerich for tailored advice on the KERN 307-01 and the recommended protective case; email info@metav-werkzeuge.com or call +49 2822 7131930 to discuss application-specific requirements Technical data Article number: 307 SKU: 307-01 GTIN: 4045761002661 Manufacturer: KERN Origin country: DE Numbers / Core technical data Nominal mass: 1 g Tolerance: 0.01 mg Cylinder dimensions: 6×6 mm ECLASS: 32120103 Commodity code (HS): 84239090 Special features / Design and materials Material: polished stainless steel Form: knob OIML class: E1 Recommended accessory: protective case Brand: KERN FAQ What accuracy class does this calibration weight comply with? The KERN 307-01 complies with OIML class E1, providing the high accuracy required for fine calibrations and precise instrument checks. What is the nominal value and tolerance of the weight? The weight has a nominal value of 1 g with a tolerance of ±0.01 mg, suitable for high-precision reference use. Which materials and design features support long-term stability? Made from polished stainless steel in a knob design, the weight minimises handling contamination and is easy to clean, preserving mass stability over time. Is a storage case necessary for this calibration weight? A protective case is recommended for the 1 g reference weight to prevent scratches and contamination; Metav Werkzeuge offers suitable etuis as part of accessories. Can this weight be used for analytical balance calibration? Yes, the high metrological class and fine tolerance make it appropriate for calibration tasks on analytical balances and other precision measuring equipment. Manufacturer: KERN — Germany; For purchase and product enquiries: Metav Werkzeuge, Emmerich am Rhein · info@metav-werkzeuge.com · +49 2822 7131930
1 g Precision Calibrator Weight Eco Form Polished Stainless Steel OIML F1 0.1 mg Tolerance - KERN
The combination of OIML Class F1 accuracy, a 1 g nominal mass and a polished stainless steel surface ensures traceable, repeatable results in verification tasks. Choose this single calibration weight for consistent scale checks and straightforward handling — order the KERN 326-01 directly via Metav Werkzeuge or consult our advisors if required. KERN 326-01 Calibration weight — 1 g, OIML Class F1, polished stainless steel A precision single calibration weight KERN 326-01 for laboratory and workshop scale verification, supplied in an ergonomic Eco‑Form for safe handling and reliable routine checks. OIML Class F1 accuracy Nominal mass 1 g Polished stainless steel surface Eco‑Form for ergonomic handling Precision that fits laboratory routines The KERN 326-01 delivers OIML Class F1 conformity with a tolerance of 0.1 mg, providing a high level of metrological reliability for verification and routine checks of analytical and precision balances. The small 1 g mass and compact dimensions make it suitable for frequent use where tight tolerances matter; the class designation indicates suitability for laboratory and calibration tasks that require consistent repeatability. Technical terms: OIML Class F1 denotes an internationally recognised tolerance band for test weights used in calibration and verification. Designed for safe handling and clear traceability Shaped in an Eco‑Form, the mass is easier to lift and position without compromising contact points on the balance pan, reducing handling error during routine procedures. The polished stainless steel finish improves resistance to corrosion and simplifies cleaning, supporting long service life in workshop and lab environments. Traceability is supported by adherence to OIML classification, enabling integration into regular quality workflows and documentation practices. Built for durability and straightforward integration Constructed from polished stainless steel, this single weight resists surface degradation and preserves its nominal value under normal handling conditions, lowering the need for frequent replacement. The compact design and clear classification make integration into existing verification schedules uncomplicated, supporting efficiency and compliance in environments where reliable mass standards are essential. For reliable OIML Class F1 verification with a compact single weight, contact Metav Werkzeuge in Emmerich for tailored supply and delivery details — eMail: info@metav-werkzeuge.com, Phone: +49 2822 7131930 Technical data Article number: 326 SKU: 326-01 Manufacturer: KERN GTIN: 4045761223745 Eclass: 32120103 Customs tariff number: 84239090 Origin country: Germany Core technical data Nominal mass: 1 g Tolerance (OIML F1): 0.1 mg Materials & features Material: polished stainless steel Form: Eco‑Form OIML class: F1 Cylinder dimensions: 6×6 mm FAQ What level of accuracy does this calibration weight provide? The KERN 326-01 calibration weight (single weight, SKU 326-01) conforms to OIML Class F1 with a tolerance of 0.1 mg, making it suitable for precise verification tasks. Is the KERN 326-01 suitable for laboratory balances? Yes, the KERN 326-01 is designed for verification of analytical and precision balances where OIML Class F1 accuracy is required. What material is used and how does it affect maintenance? The weight is made of polished stainless steel; this finish reduces corrosion risk and simplifies cleaning for durable service life. How does the Eco‑Form shape benefit routine checks? The Eco‑Form provides an ergonomic grip that reduces handling errors and contact with balance surfaces, improving consistency during repeated measurements. Does the data include origin and classification details for documentation? The KERN 326-01 includes an OIML class designation (F1) and origin information (Germany) suitable for inclusion in verification documentation and traceability records. KERN — Origin: Germany. Manufacturer address and contact not specified.
1 g Precision Test Weight Button Form Stainless Steel Fine-Turned OIML M3 10 mg Tolerance - KERN
Take advantage of reliable accuracy, robust stainless construction and compact knob design for consistent scale verification. Order the calibration weight directly via Metav Werkzeuge or consult our specialists for application support. Calibration weight 367-01 — Knob form, OIML Class M3 (KERN) A calibration weight 367-01 in knob form, OIML Class M3, designed for routine verification of balances and scales in laboratories and workshops. OIML Class M3 accuracy Nominal mass 1 g Fine-turned stainless steel finish Tolerance 10 mg Consistent accuracy for routine verifications The OIML Class M3 classification and a nominal mass of 1 g provide a dependable reference for everyday scale checks and maintenance cycles. This level of tolerance (±10 mg) is suitable for routine calibration tasks where traceable reproducibility is required rather than laboratory-grade precision. By using a dedicated reference mass, measurement drift is identified quickly, supporting production consistency and reducing the risk of process rejects. The clear specification simplifies compliance documentation and helps workshop managers schedule verification intervals with confidence. Durable material and ergonomic knob design Manufactured from fine-turned stainless steel, the knob-shaped mass combines corrosion resistance with a compact handling profile that reduces handling errors during verification. The small cylindrical stem (6 × 6 mm) allows secure placement on pan-style balances while the turned finish resists surface contamination and wear. These material and form choices minimise the need for frequent replacement, lowering long-term operational interruptions and supporting efficient workflows in busy measurement environments. Practical application and ease of use This reference mass is intended for scale verification in production, service and educational settings where reliable repeatability matters. The knob form enables rapid positioning and removal, speeding up routine checks and reducing downtime. When combined with a traceable maintenance routine, the mass supports quality control systems by delivering objective measurement data that can be logged and audited. For environments requiring moderate accuracy, the balance between durability, handling and specification makes this product a pragmatic choice. Brand reliability and supply assurance Produced by KERN, the weight aligns with established metrology standards and benefits from established manufacturing traceability. Sourcing via Metav Werkzeuge brings additional assurance: centralised supply from Emmerich, a large product range and a longstanding customer base underline consistent availability and quality screening. This combination helps ensure that workshop calibration needs are met reliably and without unnecessary complexity. Contact Metav Werkzeuge in Emmerich for specialist advice or to procure this KERN calibration weight; email info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data Article number: 367 SKU: 367-01 GTIN: 4045761257207 Manufacturer: KERN Facts Nominal mass: 1 g OIML class: M3 Tolerance: 10 mg Cylinder dimensions: 6 × 6 mm Special features Material: fine-turned stainless steel Form: knob form Country of origin: Germany HS code: 84239090 FAQ How accurate is this calibration weight for routine checks? The calibration weight 367-01 (KERN, knob form, SKU 367-01) meets OIML Class M3 with a tolerance of 10 mg, making it suitable for routine verification where moderate accuracy is required. Can the weight be used on laboratory analytical balances? For analytical-grade verification, a higher OIML class is usually recommended; the KERN knob weight is intended for routine checks and should be used where Class M3 tolerance is appropriate. How should the weight be handled and stored to maintain accuracy? Handle with clean, dry hands or tweezers and store in a dust-free case. The fine-turned stainless steel finish reduces corrosion risk but regular visual inspection and clean storage will preserve performance. Is the mass traceable or certificated? The product specification cites OIML Class M3 compliance; for documented traceability or calibration certificates, request specific certification options when ordering via Metav Werkzeuge. What applications suit this knob-shaped mass best? Ideal for workshop, production and educational environments where quick, repeatable scale checks are required and 1 g nominal masses are part of routine verification sets. Metav Werkzeuge, Emmerich am Rhein, info@metav-werkzeuge.com, +49 2822 7131930
1 g Slotted Calibration Weight Stainless Steel, OIML Class M1, 1 mg Tolerance - KERN
Take advantage of the combination of OIML‑class M1 accuracy, a nominal value of 1 g, and finely turned stainless steel construction for consistent calibration results; order the weight directly via Metav Werkzeuge or consult our specialists for application advice. Slotted weight 347-015 (KERN) — OIML M1, 1 g, finely turned stainless steel The Slotted weight 347-015 is a single calibration mass designed for precise verification of balances and scales in laboratories and workshops, supplied as a Type A slot weight for secure mounting on carrier rods. OIML class M1 certified Nominal value 1 g with 1 mg tolerance Finely turned stainless steel construction Compatible with Type A slot carrier rods Precision that supports reliable measurements The slotted calibration mass provides a reproducible reference for routine checks and conformity testing. Certified to OIML M1, the mass has a nominal value of 1 g and an OIML tolerance of 1 mg, which ensures repeatable measurement results when comparing instruments or performing short‑term verifications. Using a standardised reference mass reduces measurement uncertainty and supports documented quality processes in production and inspection environments. Robust design for long service life Manufactured from finely turned stainless steel, this reference mass resists surface degradation and maintains geometry over repeated use. The slotted design (Type A) enables secure attachment to carrier rods and balance pans without additional fixtures, simplifying handling during calibration sequences. The combination of material and machining quality ensures dimensional stability and low susceptibility to contamination, contributing to consistent weighing performance over time. Integrates into workshop and laboratory routines As a single reference weight, the component is suitable for quick checks, routine calibration sequences and equipment validation. Its compact dimensions and standard mounting style allow easy incorporation into calibration kits and mobile verification sets, speeding up on‑site checks and reducing downtime. Supplied as a precision single weight, it supports traceable procedures and can be used alongside documented calibration intervals to maintain instrument reliability. Contact Metav Werkzeuge in Emmerich for tailored calibration guidance and secure delivery of the KERN slotted weight 347-015 with OIML M1 accuracy Technical data Article number: 347-015 SKU: 347-015 GTIN: 4045761256132 Manufacturer: KERN Country of origin: DE Numbers / Core technical data Nominal value: 1 g OIML class: M1 OIML tolerance: 1 mg Cylinder dimensions: 13×2 mm Tariff number: 84239090 Designs / Special features Material: finely turned stainless steel Slotted weight (Type A) Single weight for verification and calibration Compatible with all Type A slot weights/carrier rods FAQ What accuracy class does this calibration mass comply with? The slotted weight 347-015 complies with OIML class M1, providing a nominal value of 1 g and an OIML tolerance of 1 mg, suitable for routine verification tasks. Can the weight be used with common carrier rods and pans? Yes, the product is a Type A slotted weight, compatible with all standard Type A carrier rods and pan holders used for small reference masses. What material is the weight made from and why does it matter? The weight is made from finely turned stainless steel, which offers dimensional stability and resistance to surface wear, helping to maintain calibration integrity over repeated use. Is the weight intended for laboratory or workshop use? The 347-015 slotted weight is suitable for both laboratory and workshop environments, serving as a reliable single reference mass for routine checks and instrument verification. Manufacturer: KERN, Germany — Contact: info@metav-werkzeuge.com · +49 2822 7131930
1 mg–500 mg Precision Weight Set, F1 Class, Polished Stainless Steel Plates, Plastic Case - KERN
The combination of OIML F1 accuracy and a nominal range of 1 mg–500 mg ensures reliable, repeatable calibration for fine balances; the polished stainless steel construction and supplied plastic case protect the set in daily use. Order the set directly via Metav Werkzeuge or consult the technical team for application-specific advice. KERN 328-22 weight set (OIML F1) – 1 mg–500 mg, polished stainless steel The KERN 328-22 is a milligram weight set designed for high-precision calibration of laboratory and analytical balances in testing and quality assurance environments. OIML F1 accuracy class 1 mg – 500 mg nominal range Polished stainless steel weights Supplied in durable plastic case Accurate calibration with industrial-grade traceability The set delivers OIML F1 class accuracy across a milligram range, providing a verifiable basis for calibration tasks where small mass deviations matter. With a nominal range of 1 mg–500 mg, the components enable fine adjustment and routine verification of analytical balances. This level of precision supports process reliability and reduces measurement-related rework by ensuring instruments meet defined tolerance bands. Durable materials for consistent performance Manufactured from polished stainless steel, the weights resist corrosion and surface wear, which helps maintain long-term measurement stability. The polished finish simplifies cleaning and minimises contamination risk during handling, while the compact plastic case protects individual pieces from mechanical damage and loss. Together these design choices reduce downtime and preserve the metrological integrity of the set. Compliance-ready solution for laboratories and workshops The weight set is supplied in an ECO-Form arrangement suitable for controlled storage and quick identification during routine procedures. For formal traceability, a DAkkS calibration is recommended, which aligns the set with recognised national and international calibration standards and eases documentation for audits. This combination supports conformity assessments and operational quality systems with clear evidence of calibration status. Practical handling and workplace efficiency The format of milligram plates simplifies selection during balance checks and routine verification cycles, enabling fast, repeatable measurements without complex setup. The weight set’s compact overall mass and organised case mean efficient storage and straightforward transport between workstations or labs. Reliability in routine use translates to fewer interruptions and a steadier calibration schedule for precision instruments. For expert guidance on selecting and ordering the KERN 328-22 milligram weight set, contact Metav Werkzeuge in Emmerich for tailored advice and procurement options via info@metav-werkzeuge.com or by telephone on +49 2822 7131930 Technical data SKU: 328-22 Article number: 328 Manufacturer: KERN GTIN: 4045761005471 Country of origin: CN Facts Nominal range: 1 mg–500 mg OIML class: F1 Net weight (set): 0.1 kg Tariff number: 84239090 eCl@ss: 32120103 Special features Material: polished stainless steel Case: plastic Form: ECO-Form Recommended calibration: DAkkS calibration FAQ What does OIML F1 mean for accuracy and use? The OIML F1 classification indicates high accuracy suitable for laboratory and calibration tasks; the KERN 328-22 set meets these tolerances for precise balance verification. Is the weight set suitable for analytical balances down to 0.1 mg resolution? The KERN 328-22 covers 1 mg–500 mg and is intended for fine balances; selection should match the instrument’s verification requirements and resolution class. Can the weights be recalibrated and documented for audits? Yes, DAkkS calibration is recommended for the KERN 328-22 to provide traceable calibration certificates and support audit documentation. How should the stainless steel surfaces be maintained? Polished stainless steel surfaces of the set should be handled with clean, dry gloves and stored in the supplied plastic case to avoid contamination and maintain long-term stability. KERN — origin: CN — GTIN: 4045761005471
1 mg–500 mg Weight Set Three-Point Polished Stainless Steel Plates, Plastic Case, OIML Class M1 - KERN
Reliable OIML M1 accuracy combined with a compact 1 mg–500 mg range and polished stainless-steel discs ensures traceable calibration for precision balances; organised storage in a durable plastic case supports efficient workflow. Purchase directly from Metav Werkzeuge or consult our specialists for tailored advice. KERN 348-22 weight set (OIML M1) — 1 mg–500 mg, stainless steel The KERN 348-22 is a milligram weight set for calibration and verification of precision balances in laboratories, quality departments and workshops. OIML class M1 accuracy Range 1 mg–500 mg Polished stainless steel weights Supplied in plastic case Consistent accuracy for routine calibration The set delivers OIML M1 conformity across a 1 mg–500 mg range, providing a reliable basis for checking and adjusting sensitive weighing instruments. The milligram values are presented as knob-shaped discs, enabling straightforward placement and removal during calibration routines. For organisations seeking reproducible results, the combination of defined class and discrete mass steps reduces measurement uncertainty and supports standardised procedures. Practical design that speeds up handling Polished stainless-steel construction gives the weights chemical resistance and a smooth surface that eases cleaning after use, while the compact plastic case keeps each piece organised and protected during transport and storage. The ergonomic knob form of the discs facilitates safe gripping with tweezers or fingers, reducing the risk of contact contamination and preserving mass integrity. Such practical design choices translate into faster cycle times for routine checks and less downtime for balances. Traceability and workshop suitability Supplied as a complete milligram set, the kit is suitable for in-house verification tasks and calibration laboratories that require fine mass increments. The robust finish and clear nominal values support long-term stability; calibration and documentation routines can reference the set’s M1 classification when recording measurement traceability. For busy workshops and inspection benches, the set supports repeatable checks that help maintain process quality and product conformity. For procurement or technical advice on the KERN 348-22 weight set, contact Metav Werkzeuge in Emmerich — email info@metav-werkzeuge.com or call +49 2822 7131930 for personalised guidance and fast supply. Technical data Article number: 348-22 SKU: 348-22 GTIN: 4045761010505 Manufacturer: KERN Origin: CN Facts OIML class: M1 Range: 1 mg–500 mg Total net weight: 0.09 kg Tariff number: 84239090 Special features Material: stainless steel, polished Form: knob-shaped discs Case material: plastic Product group: OIML milligram weight set FAQ Are these weights suitable for laboratory calibration of analytical balances? Yes. The KERN 348-22 weight set meets OIML M1 specifications and is designed for calibration and verification tasks on high-resolution balances within the milligram range. What mass values are included in the set? The set covers a nominal range from 1 mg to 500 mg in discrete milligram increments suitable for fine adjustments and checks on precision scales. How should the stainless-steel discs be handled and cleaned? Handle the polished discs with tweezers or gloves to avoid fingerprint contamination; clean gently with lint-free cloth and approved solvents, taking care to preserve the mass surface. Is the set supplied with storage or transport protection? Yes. The weights are supplied in a plastic case that organises and protects the individual discs during storage and transport. Can the set be used as a reference for traceability records? The M1 classification and defined mass range make the kit suitable for inclusion in calibration records and routine traceability documentation for laboratory and workshop use. Manufacturer: KERN — Address: not provided — Contact: not provided
1 mg–500 mg Stainless Polished Steel Weight Set, OIML E1, Wire Weights, Plastic Case - KERN
Take advantage of the combination of E1 precision, a wide 1 mg–500 mg measuring range and durable polished stainless steel construction for reliable calibration routines; order the set directly via Metav Werkzeuge or consult our specialists for application advice. KERN 308-42 weight set — E1 milligram, 1 mg–500 mg, polished stainless steel The weight set 308-42 is an E1-class milligram calibration set designed for precise verification and calibration of analytical and precision balances in laboratories and quality-control environments. E1 class milligram weight set Range 1 mg–500 mg Polished stainless steel construction Supplied in hard plastic case Highest-precision calibration for analytical balances The E1 classification signifies one of the strictest tolerance bands recognised under OIML, making the set ideal where the smallest measurement deviations matter. With a nominal range of 1 mg–500 mg, the set supports traceable verification across the milligram scale and helps maintain measurement reliability in analytical processes. This level of conformity reduces the risk of non-compliance in regulated testing and supports precise instrument adjustment. Durable material and practical handling Manufactured from polished stainless steel, the weights resist corrosion and surface wear while presenting a smooth finish that is simple to maintain. The set includes wire-style pieces that facilitate careful handling with tweezers or lifts, minimising contamination and contact marks on sensitive masses. Robust construction ensures long-term dimensional stability, which in turn supports consistent calibration intervals and reduces the need for premature replacement. Secure storage and readiness for use Each weight set is supplied in a protective plastic case, providing organised storage and straightforward transport between lab benches or on-site locations. The enclosure keeps components together and helps prevent loss or accidental contamination during routine handling. The compact layout simplifies inventory control and enables immediate access when balance checks or recalibrations are required. Suitable applications and professional support Engineered for laboratories, calibration service providers, research facilities and any environment requiring milligram-level accuracy, this set supports both routine checks and formal recalibration activities. For questions on compatibility with specific balances or for recommendations on handling and maintenance, Metav Werkzeuge’s technical consultants are available to advise on best practice and calibration strategy for the milligram range. Contact Metav Werkzeuge in Emmerich for expert advice or to arrange supply of the KERN 308-42 E1 milligram weight set from our local warehouse Technical data Article number: 308 SKU: 308-42 GTIN: 4045761003026 Manufacturer: KERN OIML class: E1 Numbers / Core technical data Range: 1 mg–500 mg Total weight (set): 0.09 kg Tariff code: 84239090 eCl@ss: 32120103 Special features Material: polished stainless steel Case: plastic case Form: compact or button shape Origin: Germany Suitable for milligram calibration tasks FAQ What accuracy class does this weight set meet? The KERN 308-42 weight set is rated to E1 class, making it suitable for highest-precision milligram calibrations and laboratory verification where strict tolerances apply. Which balances can be calibrated with this set? This milligram weight set is intended for analytical and precision balances that require masses in the 1 mg–500 mg range; compatibility should be checked against the balance manufacturer’s specifications. How should the weights be handled to preserve accuracy? Handle the weights with tweezers or a dedicated lift to avoid fingerprints and contamination; the polished stainless steel finish of the set makes cleaning easier without compromising the mass. Is the set ready for transport between sites? Yes, the set is supplied in a hard plastic case designed to keep the components secure during storage and transport. Can the set be used for accredited calibrations? The E1 classification of the 308-42 set makes it suitable as a reference in many calibration workflows; for formal accreditation requirements, confirm the specific traceability and documentation needs with the calibration authority. KERN — Germany
1 mg–500 mg Weight Set Three-Point Polished Stainless Steel Plates, Plastic Case, OIML F2 - KERN
Combine OIML F2 accuracy with polished stainless-steel durability and a compact protective plastic case for reliable milligram-level checks; order this calibration set directly via Metav Werkzeuge or consult our specialists for application advice. KERN 338-22 weight set (OIML F2, 1 mg–500 mg, stainless steel) A precision calibration weight set KERN 338-22 designed for routine verification of analytical and precision balances, supplied as polished stainless-steel discs in a protective plastic case. OIML class F2 accuracy Milligram range 1 mg–500 mg Polished stainless-steel discs Protective plastic case included Ensure dependable milligram accuracy in daily checks The OIML F2 classification guarantees a defined level of uncertainty suitable for laboratory-grade routine verification. Covering 1 mg–500 mg, this set supports fine adjustments and spot checks on analytical balances, helping maintain measurement consistency across production and quality-control processes. The clear specification of class and range enables rational decision-making for instrument maintenance and calibration intervals, reducing downtime and avoiding systematic drift. Durable materials for repeatable measurements Manufactured from stainless steel with a polished finish, the discs resist corrosion and manage handling marks better than untreated surfaces. The button form design simplifies placement on pans and minimises contact area during use, which contributes to repeatable results. Durable construction means fewer replacements and steady performance in both the workshop and the laboratory, providing long-term value through lower maintenance effort. Compact storage that saves time and protects assets Supplied in a protective case made from robust plastic, the set is arranged for quick selection and secure transport. Organisation reduces search time during routine procedures and helps protect individual weights from contamination. The compact footprint of the case supports efficient storage in service trolleys or calibration cabinets, supporting an organised workflow and faster verification cycles for production testing. Practical fit for professional metrology workflows This calibration set supports routine verification and internal checks where precision and traceability are required. The polished milligram weights are suitable for frequent handling and are compatible with most analytical balances used in quality assurance. Clear labelling and a compact case facilitate logged checks and simple inventory control within an established measurement management routine, contributing to consistent process control. Choose the KERN 338-22 for reliable milligram calibration and contact Metav Werkzeuge in Emmerich for tailored advice and dependable supply from our European quality hub. Technical data Article number: 338 SKU: 338-22 GTIN: 4045761007314 Manufacturer: KERN OIML class: F2 Facts Range: 1 mg–500 mg Total weight (pack): 0.1 kg Tariff number: 84239090 Special features Material: stainless steel Form: button form Finish: polished discs Case material: plastic Origin: CN FAQ What does OIML class F2 mean for my measurements? OIML class F2 indicates the set meets a defined uncertainty level for verification of analytical and precision balances; the KERN 338-22 weight set is suitable for routine checks where that accuracy class is required. Which weighing range is covered by this set? The set covers the milligram range from 1 mg to 500 mg, allowing fine-scale verification and adjustment of balances used in quality control and laboratory environments. Can these weights be used in production environments? Yes. The polished stainless-steel discs and protective case make the set robust enough for regular use in both workshop and laboratory settings for routine verification tasks. How should the weights be handled and stored? Handle weights with clean tweezers or gloves to avoid contamination; store them in the supplied plastic case to protect surfaces and preserve accuracy between checks of the calibration set. Is the KERN 338-22 suitable for analytical balances? The milligram resolution and OIML F2 accuracy of the KERN 338-22 make it appropriate for routine verification and spot checks on many analytical balances. KERN – Origin: CN (China)
1 g–50 g Weight Set Button Form Stainless Steel Turned In Aluminium Case, OIML Class M2 - KERN
Combining OIML Class M2 accuracy with precision-turned stainless steel weights and a protective aluminium case, this configuration supports dependable, repeatable calibration of precision and bench scales. Benefit from robust handling and compact storage — order via Metav Werkzeuge or contact our consultants for technical guidance. Weight set 354-026 by KERN — OIML Class M2, precision-turned stainless steel The weight set 354-026 is a compact calibration set intended for routine verification and adjustment of precision and bench scales, supplied in a robust aluminium case. OIML class M2 certified accuracy Precision-turned stainless steel weights Supplied in a compact aluminium case Reliable calibration for routine checks For production and workshop environments where consistent measurement is required, this set provides OIML Class M2 conformity to support traceable verification procedures. The classification indicates defined tolerance bands for general calibration tasks, making the set suitable for regular maintenance schedules and quality control checks. The focus on repeatability reduces downtime from uncertain readings and contributes to process stability. Practical design that speeds handling Each weight is precision-turned from stainless steel and finished to facilitate quick, safe handling while minimising contact contamination. The button shape promotes secure gripping with tweezers or gloves, improving ergonomics during frequent use. The included aluminium case keeps components organised and protected from shocks and dust, supporting efficient workflow and shorter preparation times before calibration activities. Traceability and workshop reliability Manufactured by KERN, the set is produced to meet industrial expectations for dimensional stability and surface quality, which supports long-term consistency in measurements. Clear marking and a compact case layout simplify inventory control and help maintain traceability within calibration records. Selecting certified weights contributes directly to audit readiness and the credibility of measurement results. Care, storage and typical applications To preserve accuracy, handle weights with clean gloves, store them in the supplied aluminium case and avoid corrosive environments. Suitable applications include routine checks of bench scales, laboratory balances and production weighing stations where M2-class reference masses are specified. Regular visual inspection and adherence to calibration intervals ensure the set remains a reliable reference for everyday metrology tasks. For certified calibration equipment such as the KERN 354-026 weight set, contact Metav Werkzeuge in Emmerich for expert advice and reliable supply via info@metav-werkzeuge.com or phone +49 2822 7131930 Technical data Article number: 354-026 Manufacturer: KERN OIML class: M2 Form: button shape Material: precision-turned stainless steel Case: aluminium Numbers / core technical data Total mass: 0.55 kg ECLASS: 32120103 Special features Certified OIML M2 accuracy level Precision-turned surfaces for stability Compact aluminium storage case Button-shaped weights for ergonomic handling FAQ What applications are suitable for these weights? The KERN 354-026 weight set is designed for routine verification and adjustment of bench and precision scales in workshops and laboratories where OIML Class M2 reference masses are appropriate. How should the weights be stored to maintain accuracy? Store the weights in the supplied aluminium case, handle them with clean gloves or tweezers, and avoid humid or corrosive conditions to preserve the surface and dimensional stability of the stainless-steel masses. Are the weights traceable and suitable for audits? The weight set complies with OIML Class M2 standards, which supports traceability in calibration records when documented and used according to recommended procedures. Can the weights be cleaned and how often? Light cleaning with a soft, lint-free cloth and solvent-free agents is recommended when necessary; avoid abrasive cleaning that could alter surfaces. Cleaning frequency depends on use and contamination risk. What does OIML Class M2 mean in practical terms? OIML Class M2 denotes a standard of permissible deviation suitable for general calibration tasks; it ensures defined tolerances for routine verification rather than the ultra-fine tolerances required in reference laboratories. Metav Werkzeuge, Emmerich am Rhein, info@metav-werkzeuge.com, +49 2822 7131930
1mg–500mg Aluminium-Protected Case For Standard Weight Sets, For Classes E1–M1 - KERN
Take advantage of robust aluminium protection and a lightweight design to safeguard precision weight sets from mechanical stress and contamination; the compact construction supports organised storage for nominal values from 1 mg to 500 mg. Order the aluminium-protected case directly via Metav Werkzeuge or consult our advisers for tailored recommendations. Aluminium-protected case KERN 313-010-600 — for standard weight sets, aluminium construction The KERN 313-010-600 is a compact aluminium-protected case designed to store and transport standard precision weight sets safely and reliably. Aluminium-protected construction Suitable for weight sets 1 mg–500 mg Lightweight: 0.3 kg overall mass Compact storage for standard weight sets Engineered protection that preserves calibration integrity A purpose-built aluminium case provides a corrosion-resistant outer shell that reduces the risk of accidental knocks and environmental contamination. For precision metrology, preventing mechanical deformation and surface contamination is essential to maintaining calibration. The lightweight 0.3 kg construction reduces handling strain while keeping the set close at hand in laboratories or workshop benches. By combining a robust exterior with compact dimensions, the case helps to secure nominal values from 1 mg to 500 mg, preserving the measurement characteristics of the stored weights. Practical benefits for handling and logistics Compactness and low mass speed up daily workflows: the casing’s modest weight makes it practical for routine transport between test benches, calibration stations and storage areas. The case is identified as suitable for standard weight sets, so inventory management and storage layout can be standardised across work processes. This reduces handling time and supports efficient logistics for calibration labs and industrial metrology departments. The durable aluminium material also contributes to a longer service life compared with many polymer alternatives, supporting predictable lifecycle planning. Confidence in sourcing and traceability The product is manufactured by KERN and marked with a clear SKU for traceability, simplifying asset management and documentation in quality systems. Clear identification supports auditability and reduces uncertainty during inspections. For workshops and retailers seeking dependable protective solutions, this case offers pragmatic protection without unnecessary complexity, aligning with quality assurance routines and safe storage requirements. Choose the KERN aluminium-protected case through Metav Werkzeuge for reliable storage and simple logistics — Metav Werkzeuge provides specialist advice and proximity from Emmerich; contact our team at info@metav-werkzeuge.com or call +49 2822 7131930 for specification guidance Technical Data Article number: 313 SKU: 313-010-600 Manufacturer: KERN GTIN: 4045761225473 Tariff code: 84239090 ECLASS: 21100103 Facts Case weight: 0.3 kg Nominal weight range: 1 mg–500 mg Category: Prüfgewichte (weight sets) Origin: CN Special features Aluminium-protected case Designed for standard weight sets Compact storage for precision weights Suitable for nominal values 1 mg–500 mg FAQ Is this case suitable for standard precision weight sets? The aluminium-protected case is specified for standard weight sets with nominal values from 1 mg to 500 mg and is intended for organised storage and secure transport of these weights. What are the main advantages of an aluminium casing? An aluminium casing offers a corrosion-resistant, robust shell that reduces the risk of mechanical damage and environmental contamination while remaining lightweight for easy handling. Who manufactures the case and how is it identified? The case is produced by KERN and is identified by SKU 313-010-600 and GTIN 4045761225473 for traceability in quality and inventory systems. Is the case practical for laboratory and workshop use? Yes — the compact dimensions and low mass make it suitable for daily use in calibration labs and workshops where secure, transportable storage for precision weights is required. KERN — Country of origin: CN
1 g–1 kg Weight Set Three-Point, Stainless Steel (1–50 g) & Painted Cast Iron (≥100 g), Wood Case - KERN
Combining OIML Class M3 accuracy with a nominal range of 1 g–1 kg and a construction that uses stainless steel for the small masses and lacquered cast iron for the larger ones, this weight set delivers dependable routine calibration and verification. Order the set directly via Metav Werkzeuge or consult our specialists for tailored technical advice. KERN 362-96 weight set, OIML Class M3, 1 g–1 kg The KERN 362-96 is a precision OIML Class M3 weight set designed for calibration and verification tasks in workshops and laboratories. OIML Class M3 accuracy Nominal range 1 g–1 kg Stainless steel and lacquered cast iron Button and cylinder forms Supplied in a wooden storage block Reliable calibration for routine verification The set is specified to OIML Class M3, which means it is intended for routine calibration and verification where moderate precision is required. This classification provides a clear, comparable standard for conformity testing and periodic checks on balances and scales. Using certified weights of 1 g–1 kg reduces uncertainty in day-to-day measurements and supports consistent quality control. The inclusion of both fine and coarse nominal values ensures that a wide range of instruments can be checked without the need for multiple separate sets, improving operational efficiency in production and maintenance environments. Materials and shapes explained for consistent results Small masses in the set are made from stainless steel, providing corrosion resistance and long-term surface stability; larger masses are formed from lacquered cast iron to combine robustness with economical mass production. The mixture of button form pieces (used for the smallest and the largest items) and cylinder form pieces (notably for 100 g and 200 g) is chosen to aid handling and reduce surface contact during weighing. These design choices translate into practical benefits: easier manoeuvring during calibration, reduced risk of contamination, and a stable mass distribution that supports repeatable readings over many cycles. Secure storage, handling and application benefits The weights are supplied in a fitted wooden block, which protects surfaces and keeps the set organised for quick access during verification routines. Proper handling—using tweezers or gloves and keeping the set in a stable, dust-free environment—helps preserve the nominal values and extends service life. With a total set weight of approximately 2.8 kg, the block remains portable while offering a complete kit for on-site checks. Manufactured in Germany, the set is suitable for workshop and laboratory verification tasks where M3 tolerances are acceptable and cost-effective, routine calibration is required. For purchasing advice or to obtain the KERN 362-96 via Metav Werkzeuge, contact our specialists by e‑mail at info@metav-werkzeuge.com or by phone on +49 2822 7131930 for direct assistance and order processing Technical data Article number: 362 SKU: 362-96 Manufacturer: KERN Origin: Germany Facts Nominal range: 1 g–1 kg Total weight: 2.8 kg OIML class: M3 Tariff code: 84239090 eClass: 32120103 Special features Materials: stainless steel (1 g–50 g), lacquered cast iron (≥100 g) Forms: button form (≤50 g, ≥500 g), cylinder form (100 g, 200 g) Storage: wooden block Application: calibration and verification FAQ What accuracy class does this set meet? The KERN 362-96 complies with OIML Class M3, making it suitable for routine calibration and verification where M3 tolerances are appropriate. Which materials are used for the individual weights? The set combines stainless steel for the smaller masses (1 g–50 g) and lacquered cast iron for the larger masses (from 100 g), as specified for this KERN set. Why are there both button and cylinder shapes in the set? Button form pieces reduce surface contact and are easier to handle for very small and certain large masses; cylinder shapes (100 g, 200 g) improve centring on balances and assist repeatable placement. How should the weights be stored and handled to maintain accuracy? Store the weights in the supplied wooden block, avoid direct skin contact with mass surfaces, and keep them in a dry, temperature-stable environment to preserve nominal values. KERN — Germany
500 g Compression And Tension Force Sensor Stainless Steel, Low Profile, IP66 - KERN
Benefit from a combination of stainless steel construction, compact very low-profile design and robust IP66 protection to achieve reliable small-force measurement in test rigs and automation. Order the load cell directly via Metav Werkzeuge or consult our specialists for application advice. CO.0.5-Y5 stainless tension and compression load cell, 500 g (5 N) — KERN The CO.0.5-Y5 is a stainless steel tension and compression load cell designed for integration in test benches, force gauges and automated systems across research, automotive and medical applications. Stainless steel construction Nominal load 500 g / 5 N Very low-profile design IP66 protection, CE and RoHS compliant Accurate small-force measurement for laboratory and R&D use The compact load cell delivers repeatable results for delicate testing tasks thanks to its 500 g (5 N) nominal capacity and OIML class G1 classification, which denotes suitability for precise low-load weighing and force checks. The specified class supports traceable comparisons and calibration routines, making the transducer a good fit for research laboratories and calibration workshops that require consistent, comparable readings. The slim geometry eases mounting in confined setups without compromising measurement integrity. Industrial robustness and environmental protection for production environments Constructed from stainless steel and rated IP66 according to EN 60529, the sensor resists dust ingress and heavy water jets, allowing use in workshop and production-floor conditions where exposure to coolant spray or airborne particles occurs. The CE and RoHS conformity further underlines compliance with relevant safety and material directives. With an operating range from -20°C to 80°C, the device sustains stable performance across typical industrial temperature spans while maintaining mechanical and electrical integrity. Compact form factor for seamless integration and bidirectional measurement The device’s very low-profile format and light mass (0.03 kg) simplify mechanical integration into test rigs, fixtures and automation modules where space and added mass are critical constraints. Functioning as a tension and compression transducer, it measures force in both directions without the need for separate sensors, reducing component count and installation complexity. This bidirectional capability, combined with stainless construction and precise class grading, supports both prototype development and inline quality checks with minimal adaptation required. For precise small-force measurement from KERN, contact Metav Werkzeuge in Emmerich for tailored advice and specification support via info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data Article number: CO.0.5-Y5 Manufacturer: KERN GTIN: 4045761251632 Origin: CN Facts Nominal load: 500 g / 5 N Operating temperature: -20°C to 80°C Weight: 0.03 kg IP rating: IP66 OIML class: G1 Standard: EN 60529 Special features Material: stainless steel CE and RoHS compliant Very low-profile design Suitable for test stands, force gauges, automation Applications: research and development; machine construction; automotive; medical technology; calibration equipment FAQ What force range does the load cell cover? The CO.0.5-Y5 has a nominal load of 500 g (5 N), making it suitable for precision low-force measurement and small-scale testing. Is the sensor suitable for wet production environments? Yes, the IP66 rating and stainless steel construction allow the transducer to withstand dust and powerful water jets in typical production or workshop conditions. Can this transducer measure both tension and compression? Yes, the unit is a tension and compression load cell and provides bidirectional force measurement, simplifying setups that require both pulling and pushing force data. Which industries commonly use this type of load cell? The sensor is intended for sectors such as research and development, machine construction and testing, automotive suppliers, medical technology and calibration labs, where compact, accurate force measurement is required. KERN — Origin: China — Dealer contact: info@metav-werkzeuge.com, +49 2822 7131930
10 g Precision Carrier Rod For Slotted Weights, OIML Class M1, Aluminium - KERN
Benefit from precise OIML M1 accuracy, a lightweight aluminium construction and a tapered hook that keeps slotted weights secure for efficient calibration workflows. Order the item directly via Metav Werkzeuge or consult our specialists for compatibility advice. KERN 347-445-100 Carrier Rod – OIML M1, Aluminium The KERN 347-445-100 is a carrier rod designed for attaching slotted weights during scale calibration and verification in laboratory and industrial environments OIML Class M1 accuracy Lightweight aluminium construction Tapered hook for easy weight engagement Compatible with Type A slot weights Reliable accuracy for routine calibration The carrier rod is specified to OIML Class M1, which guarantees a 2 mg tolerance on its 10 g nominal value and makes it suitable for demanding verification tasks where traceable results matter. The aluminium body ensures minimal influence on the balance while remaining robust for repeated use. This combination of certified accuracy and low self-weight supports reproducible calibration cycles and reduces adjustment time on precision scales. Designed for safe, efficient handling A tapered hook at the rod head facilitates quick mounting and removal of slotted weights, while retaining them securely during use to prevent accidental loss. The carrier features a maximum additional load capacity of 200 g (exclusive of the rod’s own weight), and accepts a largest single slot weight of 100 g, enabling flexible weight stacks for a wide range of calibration steps. This design reduces handling errors and speeds up verification procedures on bench and laboratory balances. Practical dimensions and material benefits With compact dimensions of 14 × 118 mm and an intrinsic weight of 10 g, the carrier rod fits standard weight holders without adding unnecessary mass. Aluminium offers a favourable strength-to-weight ratio and corrosion resistance for workshop conditions, making the rod a durable accessory for ongoing calibration programmes. The item’s compatibility with Type A slot weights ensures interoperability with established sets used across industry. Application recommendations and quality assurance The component is intended for use with slotted weight systems in professional metrology contexts and supports reliable traceable results when used within its stated limits. Manufactured in Germany and supplied under the KERN name, the rod aligns with professional calibration routines and is suitable for laboratories, calibration services and quality departments requiring repeatable measurement procedures. The clear load limits and certified tolerance aid compliance with internal quality standards. Contact Metav Werkzeuge in Emmerich for tailored advice on KERN calibration accessories and secure this aluminium carrier rod for reliable measurement routines Technical data Article number: 347-445-100 SKU: 347-445-100 GTIN: 4045761009158 Manufacturer: KERN Core technical data Nominal value: 10 g Tolerance: 2 mg (OIML Class M1) Own weight: 10 g Maximum additional load: 200 g (exclusive of own weight) Largest compatible slot weight: 100 g Dimensions: 14 × 118 mm Special features Material: Aluminium Compatible with Type A slot weights Tapered hook for easy engagement and secure retention Origin: DE FAQ How precise is this carrier rod for calibration work? The KERN 347-445-100 carrier rod is specified to OIML Class M1 with a 2 mg tolerance on the 10 g nominal value, making it suitable for precision calibration tasks that require traceable accuracy. Which weights can be used with this carrier rod? The rod is compatible with Type A slotted weights, accepts a largest single slot weight of 100 g and supports a total additional load of up to 200 g, exclusive of the rod’s own 10 g weight. Is the material suitable for workshop environments? Yes, the aluminium construction offers a favourable strength-to-weight ratio and corrosion resistance appropriate for laboratory and workshop use, ensuring durability in regular calibration routines. How does the tapered hook improve handling? The tapered hook simplifies mounting and removal of slotted weights while preventing accidental disengagement during measurement, reducing handling time and the risk of dropped weights. KERN, Germany • SKU 347-445-100 • GTIN 4045761009158
100 g Cylinder Test Weight OIML M3, Painted Cast Iron, 50 mg Tolerance - KERN
Take advantage of the 100 g, OIML class M3 certification and robust painted cast-iron construction for dependable routine verification and stable process control. Order the KERN 366-91 directly via Metav Werkzeuge or ask our consultants if needed. KERN 366-91 Calibration Weight — 100 g, OIML Class M3, Painted Cast Iron Cylinder The KERN 366-91 is a painted cast-iron calibration weight in cylinder and knob form, intended for routine verification of industrial and laboratory balances OIML class M3 certified 100 g nominal mass Painted cast-iron cylinder design Ensure consistent measurement performance with certified verification mass The OIML class M3 rating and a nominal mass of 100 g provide a clear, standards-based basis for routine checks of industrial and workshop balances. The declared tolerance ±50 mg means the mass is suitable for regular conformity tests and in-process verification where M3 accuracy is required. Using a certified test mass reduces uncertainty during control checks, enabling quicker decision-making about balance drift or maintenance intervals. This rational, standards-oriented approach supports reproducible results and smoother production workflows. Durable construction for frequent handling and long service life Manufactured from painted cast iron, the weight combines robustness with a surface finish that resists everyday wear in workshop environments. The cylinder/knob form facilitates secure handling and placement on weighing pans, while compact dimensions of 31×22 mm for the cylinder help when working with small balances. The solid construction minimises deformation risk under normal use, which preserves traceability and extends the interval between replacements, thereby supporting cost-efficient operations. Clear labelling and practical information for traceable use The unit is supplied by KERN (origin: Germany) and is identified by SKU 366-91 and GTIN 4045761012035, allowing straightforward inventory management and documentation. The OIML classification and stated tolerance clarify permissible deviations during verification, so technicians can interpret results without ambiguity. For storage and handling, keep the mass in a dry, stable environment and avoid contaminants on the contact surfaces to maintain accuracy and ease subsequent checks. Speak with Metav Werkzeuge’s specialists in Emmerich for tailored advice on integrating the KERN 366-91 calibration weight into verification routines; contact via info@metav-werkzeuge.com or call +49 2822 7131930 to discuss delivery and suitability for specific balances Technical data Article number: 366 SKU: 366-91 GTIN: 4045761012035 Manufacturer: KERN Facts Nominal mass: 100 g Mass (kg): 0.1 Tolerance (OIML M3): 50 mg Cylinder dimensions: 31×22 mm Tariff number: 84239090 Country of origin: DE Special features Material: painted cast iron Form: cylinder and knob OIML class: M3 Intended use: routine verification of balances FAQ What accuracy class does this calibration weight meet? The KERN 366-91 is certified to OIML class M3, which defines the permissible deviation of ±50 mg for a 100 g nominal mass and suits routine verification tasks. Is the mass suitable for workshop balances? Yes, the painted cast-iron construction and compact cylinder/knob form make the weight appropriate for frequent use with industrial and workshop balances that require M3-class reference masses. How should the calibration weight be stored to preserve accuracy? Store the calibration weight in a dry, dust-free environment away from corrosive agents; avoid touching the measurement surfaces and return the mass to its protective container after use to preserve calibration. Does the product include traceability information for documentation? The KERN 366-91 is supplied with clear identification (SKU 366-91, GTIN 4045761012035) to assist with inventory control and documentation of verification procedures. Manufacturer: KERN, Germany — Contact information not specified
1 mg Precision Calibration Weight Disc F1, Stainless Steel Polished, 0.02 mg Tolerance - KERN
High-grade OIML F1 accuracy and a 1 mg nominal value combine with a polished stainless-steel disc to deliver traceable results for microbalances; order this calibration weight directly via Metav Werkzeuge or consult our specialists for application and calibration advice. Milligram weight KERN 328-01 — 1 mg, OIML F1, polished stainless steel Milligram weight KERN 328-01 is a polished stainless-steel calibration disc for OIML F1 precision, designed for microbalances and high-accuracy laboratory use. OIML class F1 accuracy Nominal value 1 mg Tolerance 0.02 mg Polished stainless-steel disc Precise metrology: consistent measurement and traceability The OIML F1 classification and 0.02 mg tolerance establish a reliable baseline for laboratory-level calibration. This weight supports traceable calibration procedures on microbalances and precision balances, reducing measurement uncertainty in analytical and quality-control workflows. By specifying a 1 mg nominal value in a verified tolerance band, the component contributes to stable repeatability and simplified documentation for internal quality systems and audit trails. Compact design that protects measurement integrity A polished stainless-steel disc shape reduces surface contamination and eases gentle handling during calibration cycles. The compact form minimises air buoyancy effects at low masses and helps achieve reproducible placement on balance pans. Because of the very fine tolerance class, a protective case is recommended to prevent particulate contamination and mechanical damage during storage and transport. For formal traceability, a DAkkS calibration is advised; note that EU type approval for calibration weights will no longer be available after 30 November 2025, making accredited calibration an important step for long-term compliance. Practical applications and workshop confidence Engineered for laboratories, calibration services and precision workshops, the KERN 328-01 milligram weight supports verification tasks, method validation and routine balance checks. When integrated into a calibration schedule, the small mass helps maintain instrument performance and reduces downtime by catching drift early. The polished metal finish and disc form also make handling predictable during repeated use, contributing to consistent results and fewer retests — a direct efficiency gain for metrology teams and production control. For laboratory-grade traceability and reliable measurement, contact Metav Werkzeuge in Emmerich to request the KERN 328-01 milligram weight or speak with our consultants via info@metav-werkzeuge.com or +49 2822 7131930 Technical data Article number: T328-A SKU: 328-01 GTIN: 4045761240315 Manufacturer: KERN Country of origin: CN Tariff code: 84239090 Core specifications Nominal value: 1 mg OIML class: F1 Tolerance: 0.02 mg Form: disc Materials & features Material: stainless steel, polished Shape: disc Recommended: protective case for precision Calibration recommendation: DAkkS calibration Regulatory note: EU type approval for weights ends 30 November 2025 FAQ How accurate is the milligram weight for laboratory calibration? The KERN 328-01 milligram weight meets OIML F1 with a tolerance of 0.02 mg, providing the accuracy required for microbalance verification and high-precision calibrations. Which instruments is this weight suitable for? This calibration disc is intended for microbalances and precision balances where a 1 mg reference mass is required for routine checks and method validation. Is accredited calibration recommended or included? An accredited DAkkS calibration is recommended for formal traceability; the KERN 328-01 is typically supplied without calibration, so customers should arrange calibration to meet their documentation needs. How should the weight be stored and handled? Store the polished stainless-steel disc in a protective case and handle with tweezers or gloves to avoid fingerprints and contamination; a case is recommended due to the very fine tolerance class. Will the EU type approval affect future use? From 30 November 2025 EU type approval for calibration weights will no longer be available; for most applications a DAkkS calibration provides the necessary traceability and is therefore advised for continued compliance. KERN — Origin: China — GTIN: 4045761240315
1 mg Precision Caliper Test Weight Platter, OIML Class F2, Polished Stainless Steel - KERN
The combination of OIML F2 accuracy, a 1 mg nominal value and a polished stainless steel disc delivers reliable milligram-level calibration for high-resolution balances; order directly via Metav Werkzeuge or consult our specialists for application-specific advice. KERN Milligram weight 338-01 — 1 mg, OIML F2, polished stainless steel The Milligram weight 338-01 is a precision calibration disc intended for laboratory and industrial balance verification, offering milligram accuracy for high-resolution metrology tasks. OIML F2 class accuracy Nominal value 1 mg Polished stainless steel disc form Recommended storage case for best results Precision where milligrams matter The OIML F2 classification and a stated tolerance of 0.06 mg make this calibration weight suitable for verifying high-resolution balances and analytical scales. The certified tolerance defines the maximum permissible deviation for the nominal 1 mg value, which allows technicians to quantify measurement uncertainty and ensure consistent results in production control or laboratory workflows. Using a weight of this class reduces doubt during daily checks and supports reproducible balancing procedures. Robust finish and safe handling for routine use Manufactured from polished stainless steel in a flat disc form, the item resists corrosion and surface wear that would otherwise affect mass stability. The solid finish simplifies cleaning; light handling with lint-free gloves prevents oil transfer and keeps readings stable. Due to the milligram accuracy of the component, a protective storage case is strongly recommended to prevent contamination and mechanical damage — a small operational step that maintains long-term reliability and reduces recalibration frequency. Traceability options and regulatory note For documented traceability, a laboratory calibration certificate from an accredited body is advised. Since EC initial verification will no longer be available after 30 November 2025, a DAkkS calibration is recommended for most traceability needs and legal-equivalence in many applications. Certificates provide documented evidence of conformity and support audit requirements, ensuring that measurement chains remain defensible and aligned with quality management practices. Contact Metav Werkzeuge for application guidance on the KERN Milligram weight 338-01 and to arrange DAkkS calibration or accessory selection; Metav’s specialists in Emmerich am Rhein will advise on fit-for-purpose solutions and delivery options. Technical data SKU: 338-01 Manufacturer: KERN GTIN: 4045761240223 Origin: CN Tariff number: 84239090 Data Nominal value: 1 mg OIML class: F2 Tolerance: 0.06 mg Special features Material: stainless steel (polished) Form: disc (plättchen) Recommendation: use protective case (see accessories) Note: EC initial verification not available after 30 November 2025; DAkkS calibration recommended FAQ What accuracy class does this weight meet? The KERN Milligram weight 338-01 conforms to OIML F2 and carries a tolerance of 0.06 mg, making it suitable for verification of high-resolution balances. Is a DAkkS calibration available and recommended? A DAkkS calibration is recommended for the 338-01 for traceable documentation; this is the advised alternative now that EC initial verification will cease on 30 November 2025. Can this weight be used for routine balance checks in production? Yes, the polished stainless steel disc is intended for routine verification of analytical and precision balances where milligram accuracy is required. How should the weight be stored and maintained? Store the weight in a protective case to avoid contamination and mechanical damage; handle with gloves and clean with a lint-free cloth to preserve mass stability. Does the product include accessories or a case? A protective case is not included by default; Metav recommends using an appropriate case due to the very fine accuracy of the 338-01 and supplies suitable options in the accessories section. KERN; Metav Werkzeuge, Emmerich am Rhein; info@metav-werkzeuge.com; +49 2822 7131930
1 mg Precision Caliper Weight Three-Point Platter Stainless Steel E2 Tolerance 0.006 mg - KERN
Combining absolute micro-level accuracy with a robust stainless steel construction and OIML Class E2 conformity, the weight supports repeatable calibration results and reliable traceability. Order the KERN 318-01 via Metav Werkzeuge or consult our specialists for calibration and handling advice. KERN Milligram weight 318-01 — OIML E2, 1 mg polished stainless-steel disc The Milligram weight 318-01 is a high-precision mass standard for the calibration of analytical balances and microbalances in laboratories and quality control environments. OIML Class E2 for high precision Nominal value 1 mg, tolerance 0.006 mg Polished stainless-steel disc shape DAkkS calibration recommended Precision that meets regulatory needs for micro-mass work The polished stainless steel disc is manufactured to meet OIML Class E2, delivering a nominal mass of 1 mg with a stated tolerance of 0.006 mg. This classification indicates suitability for high-accuracy calibration tasks where traceability and conformity to international regulations are required. Explaining the term: OIML classes define permissible deviations for weights; E2 is used where analytical balances and laboratory checks demand very tight limits. The precision reduces measurement uncertainty and supports consistent results across repeated calibrations, improving process reliability in quality assurance workflows. Durable design and proper handling to protect measurement integrity Constructed from corrosion-resistant stainless steel with a polished finish, the disc form minimises surface contamination and eases cleaning. For safe handling and to avoid transfer errors, use tweezers or gloves and store the mass in a protective case; an etui is recommended due to the small nominal value and sensitivity. Regular calibration is essential: a DAkkS calibration provides national traceability and is advised for nearly all professional applications, ensuring that the mass standard retains documented conformity and can be relied upon during audits or certification procedures. Integrating the mass standard into laboratory routines Incorporating this micro-mass into calibration schedules enhances the comparability of results between instruments and sites. The combination of OIML Class E2 conformity and the polished stainless-steel construction lowers the long-term cost of rework by reducing drift and contamination-related errors. For procurement and logistic certainty, Metav Werkzeuge supplies the mass with transparent handling and delivery from Emmerich; relying on a supplier with an extensive product range and documented experience supports uninterrupted operation in laboratories and production control points. For precise micro-mass needs, choose the KERN 318-01 and contact Metav Werkzeuge in Emmerich for DAkkS calibration, protective etui options and secure dispatch — info@metav-werkzeuge.com | +49 2822 7131930 Technical data Article number: T318-A SKU: 318-01 GTIN: 4045761240407 Manufacturer: KERN Numbers / core technical data Nominal value: 1 mg Tolerance (OIML): 0.006 mg OIML class: E2 Tariff number: 84239090 ECLASS: 32120103 Special features / materials Material: stainless steel Surface: polished Shape: disc Recommended accessory: protective etui Calibration recommendation: DAkkS calibration recommended Origin: CN FAQ What level of accuracy does this mass provide? The KERN Milligram weight 318-01 is specified to OIML Class E2, providing a nominal mass of 1 mg with a tolerance of 0.006 mg, suitable for high-precision calibration tasks. Can the mass be used for routine balance checks? Yes, the disc is intended for analytical and microbalance verification; regular checks and documented DAkkS calibration keep results traceable and auditable for routine quality control. Is special handling required to avoid measurement errors? Handle the mass with tweezers or gloves and store it in a protective etui to prevent contamination and mass transfer; the polished stainless-steel surface reduces adherence of residues. Is DAkkS calibration necessary for this product? A DAkkS calibration is recommended for almost all professional applications and provides national traceability equivalent for regulatory and laboratory requirements. Will the weight remain available for EC first verification after November 2025? EC first verification for weights will not be possible from 30 November 2025; for ongoing professional use, the KERN 318-01 should be paired with a DAkkS calibration as advised. KERN — Origin: CN — GTIN: 4045761240407
Accurate weighing that keeps production consistent
Scales are measuring instruments that determine the weight, force or count of an object and are essential across workshops and production lines. From precision scales that resolve fractions of a milligram to crane scales that handle several tonnes, the right weighing equipment ensures process reliability, legal compliance and operational efficiency.
How the right scale supports your workflow
Scales convert mechanical or electronic signals into repeatable weight values; external factors such as local gravity, magnetism, air buoyancy and vibration influence the result and often require site-specific adjustment. For legally binding measurements a statutory verification is required, while routine quality assurance is achieved through documented calibration. Choosing the correct combination of measuring range and readability avoids unnecessary sensitivity and stabilises throughput.
Practical advantages you notice every day
- Fast, reproducible results that reduce rework and speed up throughput.
- Better process control through repeatability and consistent stabilisation times.
- Compliance where required: support for statutory verification and DAkkS-accredited calibration services.
- Lower downtime via robust designs for industrial environments and user-friendly tare functions.
- Versatility across applications with options such as precision scales, analytical balances, platform scales, counting scales and checkweighers.
Premium measurement from a trusted partnership
KERN & SOHN represents a long-established premium choice for precise weighing and metrology, offering an extensive range of instruments and accredited services. Metav acts as your procurement and quality filter from Emmerich: decades of expertise, over 48,000 customers and a catalogue of more than 250,000 products ensure reliable supply and consolidated sourcing for industry, trade and crafts.
Key technical data at a glance
- measuring range: from sub-milligram to multiple tonnes
- readability (d): smallest display step, determines sensitivity
- linearity: specification for deviation across the measuring range
- tare: container weight subtraction, essential for net weight determination
- environmental influences: gravity, magnetism, air buoyancy, vibration, temperature, draught
- common types: precision scales, analytical balances, platform scales, counting scales, checkweighers
- verification vs calibration: statutory verification required for legally relevant weighing; calibration for traceable quality assurance
- application areas: laboratory, production, warehouse, shipping, retail, gastronomy
FAQ
What does readability (d) mean for scales?
Readability is the smallest weight increment a scale displays. For precision scales, a smaller readability gives finer resolution but increases sensitivity to draughts and vibration.
What is the difference between accuracy and repeatability?
Accuracy describes how close a measured value is to the true value; repeatability describes how consistently a scale returns the same result under identical conditions. Both matter, but repeatability is often decisive for stable production processes.
When do I need a verified (statutory) scale?
A verified scale is required whenever weight determines legal transactions, for example sales by weight. For internal quality control, a documented calibration is typically sufficient.
Why does my scale show fluctuating values despite correct operation?
Fluctuations are often caused by environmental factors: air draught, nearby vibration, temperature changes or an unstable support. Site selection and appropriate housing or wind protection reduce this effect.
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