Ensure weighing accuracy with certified calibration weights
Calibration weights are precision mass artefacts used to verify, adjust and document scale performance, providing process security and repeatable results in production, quality assurance and laboratories. They come in defined nominal values and accuracy classes such as E1, F1 and M1, so you can match the right weight to the scale’s readability and application to avoid false confidence or unnecessary cost. Correct handling—using gloves or tweezers, storing weights in their case and avoiding contamination—keeps them reliable, while routine checks at multiple points in the weighing range reveal issues caused by vibration or temperature changes.
1 mg Precision Weight Disc M1, Polished Stainless Steel, OIML M1 Tolerance 0.2 mg - KERN
Take advantage of the combination of high metrological accuracy, robust stainless steel construction and compact handling for precise calibration of microbalances and laboratory scales. Order the test mass directly via Metav Werkzeuge or consult the Emmerich team for calibration and traceability options. KERN 348-01 Milligram Weight (OIML M1, 1 mg, Polished Stainless Steel) The KERN 348-01 is a precision milligram weight in disk form designed for laboratory calibration and fine-balance verification in high-precision industrial and research settings OIML class M1 accuracy Nominal value 1 mg Polished stainless steel finish Disk form for stable placement Accurate calibration for microbalances and analytical balances The OIML class M1 designation guarantees a high level of metrological reliability for routine and advanced calibration tasks. With a declared nominal value of 1 mg and a tolerance of 0.2 mg, this test mass offers a verifiable reference for microbalances and analytical weighing instruments, enabling consistent results in quality control and R&D workflows. The polished stainless steel construction reduces surface contamination and supports long-term traceability when used with regular calibration procedures. Practical benefits in everyday metrology and handling The compact disk form ensures stable placement on balance pans and minimises handling errors during transfers between instruments. For environments where repeatability and minimised uncertainty are critical, the small footprint of this calibration weight facilitates rapid checks and reduces downtime. As EU type approval for test weights will not be available after 30 November 2025, a DAkkS calibration is recommended for traceable documentation and nearly equivalent legal certainty; the weight thus remains suitable for most laboratory and industrial applications requiring documented accuracy. Built for durability and consistent performance Made from polished stainless steel, the calibration mass withstands routine use and cleaning, preserving its metrological characteristics over time. The smooth surface reduces the risk of particulate adherence and simplifies inspection. Supplied as a single milligram reference, this precision test mass supports reproducible processes in watchmaking, jewellery, microelectronics and scientific laboratories where minute differences matter. The manufacturer KERN is known for precision instrumentation, and this compact reference mass complements a comprehensive calibration strategy. For reliable milligram calibration, request the KERN 348-01 through Metav Werkzeuge — Metav's Emmerich-based team can advise on DAkkS calibration and supply details at info@metav-werkzeuge.com or by phone on +49 2822 7131930 Technical data Article number: T348-A Manufacturer: KERN SKU: 348-01 GTIN: 4045761240131 Country of origin: CN Tariff number: 84239090 Facts Nominal value: 1 mg OIML class: M1 Tolerance (OIML): 0.2 mg Special features Material: Polished stainless steel Form: Disk Application: Calibration/test weight for microbalances and analytical balances Recommendation: DAkkS calibration recommended Regulatory note: EU type approval for weights not possible from 30.11.2025 FAQ What accuracy class does this test mass conform to? The KERN 348-01 milligram weight conforms to OIML class M1, providing a tolerance of 0.2 mg suitable for routine and precise calibration tasks. Is a DAkkS calibration available for this weight? A DAkkS calibration is recommended for the KERN 348-01; this calibration provides documented traceability and is suitable where EU type approval is no longer available after 30 November 2025. For which balances is this 1 mg weight suitable? The 1 mg reference is intended for microbalances and analytical balances, and is appropriate for fine measurement verification in laboratories, jewellery and microelectronics applications. How does the stainless steel finish benefit long-term use? The polished stainless steel surface of the KERN 348-01 resists contamination and is easy to clean, which helps maintain consistent measurement behaviour and reduces uncertainty over multiple uses. What form does the calibration weight have and why does it matter? Supplied in a disk form, the weight ensures stable placement on balance pans, minimises handling variability and simplifies routine checks on sensitive instruments. KERN — Manufacturer; Product origin: CN; Distributor contact: Metav Werkzeuge, Emmerich am Rhein, Germany; Email: info@metav-werkzeuge.com; Phone: +49 2822 7131930
1mg–500mg Plastic Case For Single Weights, For Classes E1–M2, Button/Compact Design - KERN
Benefit from robust plastic construction, compatibility with single nominal values 1 mg–500 mg and secure organisation for calibration weights of classes E1–M2, ensuring reliable storage and easy handling. Order the case directly via Metav Werkzeuge or ask our consultants if needed. KERN 347-009-400 Plastic Case for Single Calibration Weights – for 1 mg–500 mg, E1–M2 The KERN 347-009-400 is a compact plastic case designed to protect and organise single calibration weights for laboratories, service engineers and workshop calibration tasks. Compact plastic case for calibration weights Fits single weights from 1 mg to 500 mg Compatible with classes E1 to M2 Lightweight at approx. 0.02 kg Protects precision weights during storage and transport The case provides secure storage for individual calibration weights, reducing the risk of contamination and handling damage that can alter mass values. The internal layout is adapted for button/compact designs commonly used in calibration sets; this keeps each weight separated and stable during transport. By using a dedicated enclosure made from durable plastic, routine handling becomes more predictable and safer for sensitive measurement artefacts. Ensures compatibility with recognised accuracy classes Designed for nominal values from 1 mg–500 mg, the enclosure supports weights used across common accuracy classes E1–M2, which makes it suitable for laboratory checks and field calibration. For readers less familiar with classes: E1 and M2 denote standardised tolerance ranges used in legal and laboratory metrology; storing weights in the correct case helps maintain traceability and reduces the chance of cross-contamination that could compromise conformity checks. Lightweight, compact design for efficient workflow At roughly 0.02 kg, the case contributes negligible additional mass while offering a compact footprint for bench or toolbox storage. The plastic construction balances low weight with sufficient rigidity to protect contents, enabling technicians to carry sets between site visits without bulky packaging. The space-saving profile also assists in organised inventory management, simplifying quick selection and return of individual weights during calibration routines. Practical benefits for workshops and calibration services For calibration laboratories, service teams and quality departments, a purpose-built case streamlines handling and reduces downtime caused by misplaced or contaminated weights. The product supports better operational consistency by keeping single calibration weights in order and immediately accessible, which translates into fewer interruptions during measurement tasks and a smoother calibration workflow. Contact Metav Werkzeuge for delivery from Emmerich, tailored advice or technical clarification via info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data Article number: 347 SKU: 347-009-400 GTIN: 4045761008625 Manufacturer: KERN Facts Weight: 0.02 kg Nominal values: 1 mg–500 mg HS code: 84239090 Special features Material: Plastic For: single calibration weights (button/compact) Class compatibility: E1–M2 Country of origin: DE FAQ Which nominal values fit in this case? The KERN 347-009-400 accommodates single weights with nominal values from 1 mg to 500 mg. Is the case suitable for weights with button or compact form? Yes, the enclosure is intended for button/compact designs and keeps each single weight separated for safe storage. Which accuracy classes are compatible with the case? The case is compatible with weights in accuracy classes E1 to M2 and is suitable for laboratory and workshop use. What material is the case made from and how heavy is it? The case is constructed from plastic and weighs approximately 0.02 kg, offering a lightweight yet protective solution. Manufacturer: KERN, Address: Germany, Contact: not specified
1 Pair Cotton Gloves Protecting Test Weights From Finger Oil And Moisture, For Weights Up To 2 kg - KERN
Take advantage of gentle, cotton handling and reliable contamination protection to extend the service life of precision weights; order directly from Metav Werkzeuge or contact our consultants for tailored advice. Gloves KERN 317-280 — Cotton gloves for protecting test weights up to 2 kg The Gloves KERN 317-280 are designed to protect test weights and precision masses from finger grease and moisture during everyday handling in workshops and calibration labs. Cotton construction for gentle handling Protects test weights from finger grease Suitable for test weights up to 2 kg Lightweight, reusable pair for workshop use Preserve measurement accuracy with clean handling Handling delicate masses without contamination helps to maintain precision and reduces the need for frequent recalibration. The KERN cotton gloves provide an effective barrier against finger grease and light moisture, keeping surfaces free of oils that can alter measured mass. By preventing direct contact, the gloves contribute to consistent readings and minimise the risk of measurement drift, supporting reliable quality control in routine metrology tasks. Practical protection for everyday workshop routines Lightweight and easy to store, this pair is tailored for straightforward use in production and service environments. The simple design allows quick application while handling small test weights, helping to maintain workflow speed without compromising care. Suitable for masses up to 2 kg, the gloves enable safe manipulation of common calibration weights, combining protection with operational convenience to keep processes efficient and repeatable. Why cotton is the right material for delicate tools Cotton fibres offer a soft, absorbent contact surface that decreases the transfer of oils and residues onto sensitive metal surfaces. The natural fabric reduces abrasion risk compared with harsher materials, providing gentle handling that preserves finish and mass integrity. At an almost negligible net weight, the gloves do not affect the handling ergonomics of small weights but do increase confidence in routine handling and storage practices. Contact Metav Werkzeuge for personalised advice or to secure the KERN cotton gloves from our Emmerich stock; our team will assist with product details and suitability for specific calibration needs. Technical data Article number: 317 SKU: 317-280 Manufacturer: KERN Facts Net weight: 0.01 kg Suitable for test weights up to 2 kg GTIN: 4045761003866 Special features Material: cotton Protects test weights from finger grease and moisture Supplied as one pair Segment: Test weight accessories FAQ Are these gloves suitable for precision balances? The KERN 317-280 gloves are intended to protect precision masses and are suitable for handling small test weights used with precision balances. How do the gloves protect test weights? The cotton fibres of the gloves reduce oil and moisture transfer, helping to keep the surface of test weights clean and preserving measurement accuracy. Can the gloves be used for weights above 2 kg? The gloves are specified as ideal for handling test weights up to 2 kg; heavier items may require different handling methods or protective equipment. What material are the gloves made from? The gloves are made from cotton, chosen for its gentle contact and absorbent properties. Is the KERN 317-280 pair reusable? The gloves are designed for repeated use in workshop routines, offering lightweight, practical protection for daily handling of test weights. Metav Werkzeuge — Emmerich am Rhein, Germany · eMail: info@metav-werkzeuge.com · Phone: +49 2822 7131930 · WhatsApp: +49 170 2837271
500g Plastic Case For Custom Calibration Weight Sets, E1–M3, Button/Compact Design - KERN
Take advantage of a robust combination of organised storage and traceable calibration compatibility: the plastic case protects compact weight sets up to 500 g while keeping components clearly arranged for efficient processes. Order the case directly via Metav Werkzeuge or consult the team for configuration support. KERN 313-050-400 Plastic Case — Case for compact calibration weight sets (≤500 g, classes E1–M3) A KERN 313-050-400 plastic case designed to protect and organise compact calibration weights for laboratories, workshops and service technicians Plastic case for compact weight sets Suitable for nominal values up to 500 g Compatible with calibration classes E1–M3 Secure storage that supports reliable calibration The case offers a compact solution for the safe storage of calibration weights and related accessories. Its internal layout is drilled and padded to accept button/compact formats, which keeps pieces immobilised during handling and transport. By preventing movement and contact between individual weights, the case reduces the risk of surface damage and preserves mass accuracy — a direct efficiency gain when preparing measurement equipment for inspection or field work. Organised handling to speed up workflows A clearly arranged case reduces search and handling times during calibration cycles. The tailored cavities and foam padding enable fast visual checks and straightforward retrieval, supporting a more consistent process flow in test labs and on the workshop bench. With storage that matches the geometry of compact weights, inventory counts and routine verifications are simplified, contributing to faster turnaround and fewer errors in metrology tasks. Custom-fit production with clear return conditions KERN produces these cases to order, allowing configuration to specific weight sets and customer requirements. This custom-made approach ensures an optimised fit for the intended nominal values and calibration classes, but also means these universal cases are supplied as special fabrications and are excluded from returns. For precise matching or bespoke layouts, consultation is recommended to confirm requirements before ordering. Durable, lightweight protection for portable use Made from resilient plastic, the case combines low weight with robust protection; the lightweight construction keeps transportable kits manageable while offering a stable shell to shield contents from dust and impact. The material choice supports repeated handling and everyday workshop environments, ensuring that organised weight storage remains a dependable part of calibration equipment management over time. Contact Metav Werkzeuge for configuration advice or to arrange supply of the KERN 313-050-400 plastic case — our Emmerich team is available at info@metav-werkzeuge.com or +49 2822 7131930 to assist with specifications and delivery. Technical data Article number: 313 SKU: 313-050-400 Manufacturer: KERN Material: Plastic GTIN: 4045761077959 Origin: DE Facts Weight: 0.35 kg Nominal values: 1 mg – 500 g Calibration classes: E1–M3 Special features Form: Button / compact layout Drilled and padded interior Custom-made — non-returnable Suitable for compact weight sets HS tariff code: 84239090 FAQ What weight ranges fit this case? The KERN 313-050-400 plastic case accepts nominal values from 1 mg to 500 g, designed specifically for compact and button-style weights. Which calibration classes are compatible? This case is suitable for weights in calibration classes E1 to M3, ensuring storage compatibility with high-precision sets used in metrology. Can the interior layout be customised? Yes. The interior is configured to order and can be matched to specific compact weight geometries; note that custom-made cases are supplied as special fabrications and are excluded from returns. Is the case robust enough for workshop transport? The case is made from durable plastic with padded cavities to protect weights from impact and abrasion during normal handling and transport. How can one order or get configuration advice? For configuration and ordering of the KERN 313-050-400 case, contact Metav Werkzeuge to discuss requirements and ensure the layout matches the intended weight set. Metav Werkzeuge, Emmerich am Rhein, Germany — Email: info@metav-werkzeuge.com — Phone: +49 2822 7131930 — WhatsApp: +49 170 2837271
5kg Aluminium-Protected Case Padded, For Block Weights F1–M3 - KERN
Benefit from an aluminium-protected housing, a padded interior and compatibility with block weights up to 5 kg and calibration classes F1–M3 for safe storage and transport; Order the aluminium-protected case directly via Metav Werkzeuge or ask our consultants if needed. Aluminium-protected case KERN 346-060-600 — Protective case for 5 kg block weights, padded The Aluminium-protected case serves as a purpose-built transport and storage solution for single block weights, combining a robust outer shell with soft interior support to preserve calibration and dimensional integrity during handling. Aluminium-protected housing for block weights Suitable for block weights up to 5 kg Calibrated classes F1–M3 compatible Internal padding for secure storage Safe storage that preserves calibration The KERN aluminium shell provides a rigid barrier against impacts and abrasion, while the padded interior prevents micro-movements that can affect a mass artefact’s calibration. For laboratories and calibration shops where traceability and repeatability matter, a dedicated protective case reduces the risk of accidental knocks and environmental contamination. The solid construction helps maintain the declared mass values and extends the service life of the weights, contributing to fewer recalibrations and more predictable maintenance intervals. Compatibility with calibration classes and handling benefits Designed specifically for block weights and compatible with classes F1–M3, this case supports common metrological workflows and storage protocols. The internal layout is suited to a standard block form and secures items up to 5 kg, ensuring conformity with class-specific handling. Using a dedicated case reduces handling time during inspections and audits and simplifies storage logistics in a busy workshop or calibration room. Clear class compatibility also aids procurement decisions, aligning the storage solution with formal calibration schedules and quality management systems. Lightweight design for workshop efficiency Constructed from aluminium, the case remains lightweight (approx. 1.25 kg) while offering durable protection, making it practical to move between benches, labs and transport crates without adding excessive bulk. The reduced weight simplifies manual handling and lowers transport effort when compared with heavier protective solutions, yet the material resists corrosion and everyday wear. This balance of low mass and high protection supports efficient workshop routines and helps maintain the condition of precision masses across frequent use. Contact Metav Werkzeuge in Emmerich for advice on the KERN aluminium-protected case 346-060-600 or to arrange supply and delivery directly from our stock. Technical data Article number: 346 SKU: 346-060-600 GTIN: 4045761222878 Manufacturer: KERN Core specifications Weight: 1.25 kg Suitable for weights: up to 5 kg Class compatibility: F1–M3 Tariff number: 84239090 Materials & features Material: Aluminium Padded interior Suitable for block weights Origin: CN FAQ Is this case suitable for 5 kg block weights? Yes. The aluminium-protected case is designed for block weights up to 5 kg and secures them in a padded interior. Which calibration classes does the case support? The case is compatible with calibration classes F1–M3, making it suitable for commonly used laboratory and workshop mass standards. What material is the case made from and how does that help? The case is made from aluminium, offering a durable yet lightweight enclosure that protects against impacts and corrosion without adding unnecessary mass. Is the interior suitable for transport and frequent handling? The padded interior secures the weight against micro-movements, supporting frequent handling and reducing the likelihood of calibration drift during transport. Who manufactures the case and what is the SKU? The case is manufactured by KERN and listed under SKU 346-060-600 for ordering and stock reference. KERN — Manufacturer (Country of origin: CN)
5 kg Calibration Block Weight Cast Iron Painted, OIML Class M3, 2.5 g Tolerance - KERN
Benefit from the certified accuracy of an OIML M3 class mass standard combined with a robust, painted cast iron block design; the nominal 5 kg weight with a 2.5 g tolerance ensures dependable calibration results for routine checks. Order the calibration block weight 366-86 directly via Metav Werkzeuge or ask our consultants if needed. KERN Calibration Block Weight 366-86 – 5 kg, OIML Class M3 A compact calibration block weight 366-86 intended for reliable weight verification and routine calibration tasks in laboratories and industrial workshops. OIML class M3 certification Painted cast iron block design Nominal 5 kg, tolerance 2.5 g Made in France Certified accuracy for repeatable calibration results The OIML M3 classification and the 5 kg nominal value with a 2.5 g tolerance make this block ideal where consistent verification is required. As a certified mass standard, the unit supports traceable checks of balances and weighing systems, reducing measurement uncertainty during routine calibrations. Clear specification of tolerance allows straightforward comparison with instrument drift, supporting efficient maintenance schedules and minimising downtime in production or quality control environments. Robust construction that withstands workshop use Manufactured as a solid block in painted cast iron, this mass standard combines handling stability with corrosion protection. The compact block form factor offers a small footprint that simplifies storage and handling on a busy workshop bench. The heavy, dense material provides a stable mass reference that is less prone to accidental deformation than lighter, hollow designs, ensuring longer service life and fewer replacements under regular use. Practical integration and traceability in lab workflows Supplied by KERN and identified by SKU 366-86 and GTIN 4045761011991, the calibration block fits into existing verification routines without complex setup. Lab and workshop technicians can record the mass standard’s specification directly in calibration logs, ensuring compliance and audit-readiness. The clear origin marking (France) and tariff classification help with inventory management and cross-border procurement. The compact, simple design supports repeatable handling procedures that reduce operator-related variance. Care, storage and consistent availability To maintain the condition required for reliable measurement, keep the mass standard free from contaminants and avoid impacts that could alter its mass properties. Store the block in a stable environment, away from corrosive agents and extreme humidity, and handle with clean, dry gloves where possible to prevent surface deposits. Metav Werkzeuge’s stock management and quality filter in Emmerich ensure dependable supply and consistent product quality for workshop and laboratory use. For reliable calibration equipment from a trusted partner, contact Metav Werkzeuge in Emmerich for ordering and technical advice on the KERN calibration block weight 366-86 and other precision instruments. Technical data Article number: 366-86 SKU: 366-86 GTIN: 4045761011991 Facts Nominal value: 5 kg Tolerance: 2.5 g ECLASS: 32120103 Special features Material: painted cast iron OIML class: M3 Manufacturer: KERN Origin country: FR Tariff number: 84239090 FAQ What does OIML class M3 mean for routine checks? OIML class M3 denotes the calibration tolerance and suitability of the mass for routine verification tasks; the calibration block weight 366-86 meets those limits for consistent performance. Is the block suitable for use in a workshop environment? Yes, the painted cast iron construction of this calibration block weight is designed for robustness and practical handling in workshop conditions. How should the 366-86 be stored to preserve accuracy? Store the mass standard in a clean, dry place away from chemicals and impacts to maintain the accuracy of the calibration block weight 366-86. Can this weight be used to verify industrial balances? The nominal 5 kg value and OIML M3 classification make the product appropriate for verification of many industrial and laboratory balances within the specified tolerance. Who manufactures the calibration block weight 366-86? This mass standard is manufactured by KERN and supplied with identifiers such as SKU 366-86 and GTIN 4045761011991 for traceability. Metav Werkzeuge, Emmerich am Rhein, Germany — info@metav-werkzeuge.com — +49 2822 7131930 — WhatsApp: +49 170 2837271
5 kg Block Test Weight OIML Class M2, Painted Cast Iron, 800 mg Tolerance - KERN
Take advantage of the combination of OIML class M2 accuracy, a 5 kg nominal value and a robust coated cast-iron block design for reliable, routine calibration in production and quality control. Order the ECO block weight (Class M2) directly via Metav Werkzeuge or ask our consultants if needed. ECO block weight (Class M2) — 5 kg calibration weight, coated cast iron, KERN The ECO block weight (Class M2) is a compact, coated cast-iron reference mass designed for routine verification and calibration of industrial scales and balances in workshops and testing labs. OIML class M2 certified reference mass 5 kg nominal value for routine calibration Coated cast-iron construction for durability Compact block design for stable placement Accurate reference mass for routine verification The ECO block weight is supplied as an OIML class M2 reference mass, offering a 5 kg nominal value with an OIML tolerance of 800 mg. This classification indicates suitability for routine verifications and internal calibrations where mid-grade metrological performance is required. Using a calibrated reference mass with known tolerance reduces measurement uncertainty in daily checks and supports repeatable results. The KERN designation and standardised identifiers ensure reproducibility within quality assurance processes and simplify documentation for inspection records. Durable construction for workshop use Manufactured from coated cast iron, the block design combines mechanical stability with surface protection, reducing wear and susceptibility to corrosion in typical workshop environments. The compact Block Eco design permits secure placement on a weighing pan and minimises tipping or dust accumulation, which helps preserve long-term accuracy. A coated finish decreases maintenance needs and extends service life, so calibration intervals remain predictable and downtime for replacement is reduced. Traceability and easy integration into workflows Clear identifiers and classifications support inventory and compliance management: the unit is supplied with a unique GTIN and SKU for unambiguous traceability, and origin data is recorded for customs and documentation. The reference mass is intended for use in production lines, incoming goods inspection and routine lab checks where documented evidence of calibration steps is required. Labelling and standardised specifications make the mass straightforward to register in quality systems and link to calibration certificates where applicable. For robust, traceable calibration masses from KERN, contact Metav Werkzeuge in Emmerich for tailored advice and rapid dispatch — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 356 Manufacturer: KERN SKU: 356-76 GTIN: 4045761241756 Facts Nominal value: 5 kg OIML tolerance: 800 mg OIML class: M2 Tariff code: 84239090 ECLASS: 32120103 Special features Material: Coated cast iron Design: Block Eco Category: Calibration weight (Prüfgewichte) Origin: CN FAQ What applications is this reference mass suitable for? The KERN ECO block weight (Class M2) is suitable for routine verification, internal calibrations and quality checks of industrial scales and balances where mid-level metrological requirements apply. How precise is the 5 kg calibration mass? The mass conforms to OIML class M2 with an OIML tolerance of 800 mg, which defines its admissible deviation for routine calibration tasks. What material and design features improve durability? A coated cast-iron construction and compact block form provide mechanical robustness and surface protection, reducing wear in workshop environments and supporting stable placement on weighing pans. Is the product traceable for quality management systems? Yes, the unit is supplied with a GTIN and SKU, enabling clear inventory tracking and straightforward linkage to calibration records within quality management workflows. Can this weight be used in production and laboratory environments? The ECO block weight is intended for use in production lines, inspection stations and test labs for routine checks and internal calibrations where OIML M2 specification is appropriate. Metav Werkzeuge — Emmerich am Rhein, Germany — info@metav-werkzeuge.com | +49 2822 7131930 | WhatsApp +49 170 2837271
5 kg Precision Calibration Block Weight, OIML Class M2, Painted Cast Iron, 800 mg Tolerance - KERN
Benefit from proven calibration accuracy and a robust, painted cast-iron block design that supports reliable routine verifications; the combination of OIML Class M2 conformity and a clear 800 mg tolerance ensures confidence in mid-range scale checks. Order the KERN 356-86 directly via Metav Werkzeuge or consult our specialists for technical advice. KERN 356-86 — 5 kg OIML Class M2 calibration block weight A compact KERN 356-86 block weight designed for routine calibration and verification of industrial scales and balances OIML Class M2 certified accuracy 5 kg nominal mass for mid-range scales Painted cast iron for durable service Compact block shape for stable placement Calibrated accuracy that supports compliant results The OIML Class M2 classification denotes a standardised tolerance band suitable for typical industrial and commercial calibration tasks. With a nominal mass of 5 kg and a stated tolerance of 800 mg, this calibration mass provides a measurable baseline for verifying mid-range weighing equipment. Using a reference mass with defined tolerance simplifies traceable checks and supports documentation practices required in quality-controlled environments. The clear specification makes it straightforward to compare measured deviations against permitted limits and to plan corrective action where necessary. Robust construction for everyday workshop use Made from painted cast iron, the block form offers a stable contact surface that resists minor impacts and surface wear common in busy workshops. The compact block geometry helps maintain secure placement on scale pans, reducing the risk of tipping or misalignment during handling. This construction translates into practical durability: fewer accidental damages and a predictable handling routine. The design focuses on long-term usability rather than fragile precision, making it well suited to routine verification cycles in production, maintenance and test benches. Seamless integration into procurement and calibration routines The reference mass is supplied as a single calibration weight and is identified by SKU 356-86 for straightforward inventory tracking. The manufacturer is KERN, a recognised name in metrology, and the item originates from China; standard commercial identifiers are provided for logistical and record-keeping purposes. Purchasing through a specialist distributor such as Metav Werkzeuge brings the advantage of centralised sourcing and a quality-filter process from Emmerich, which supports reliable supply and consistent product specification across deliveries. This helps reduce administrative overhead and supports continuity in calibration programmes. Contact Metav Werkzeuge in Emmerich for expert guidance on the KERN 356-86 5 kg block weight and to arrange supply — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data Article number: 356-86 SKU: 356-86 Manufacturer: KERN Facts Weight: 5 kg Tolerance (OIML Class M2): 800 mg GTIN: 4045761248281 Tariff number: 84239090 Origin: CN Special features Material: painted cast iron Shape: block Product type: single calibration weight OIML class: M2 FAQ What accuracy class does this weight meet? The KERN 356-86 is specified to OIML Class M2 with a tolerance of 800 mg, making it suitable for many industrial calibration routines. For which applications is a 5 kg block weight suitable? A 5 kg calibration mass is typically used for mid-range scales and balances in workshops and production areas where routine verification and spot checks are required. What advantages does the block shape offer? The block shape provides a stable contact surface and easier placement on pans, reducing the likelihood of tilt or misplacement during calibrations. Is the material appropriate for everyday handling? Yes; the painted cast-iron construction improves resistance to surface damage and supports practical durability in workshop environments. How is the product identified for stock and documentation? The item is listed under SKU 356-86 and GTIN 4045761248281 for inventory control and traceability. KERN — Origin: China; Distributor contact: Metav Werkzeuge, info@metav-werkzeuge.com, Tel. +49 2822 7131930
5 kg Calibration Weight Block OIML M1, Painted Cast Iron, 250 mg Tolerance - KERN
Combine OIML M1 accuracy with a robust painted cast-iron block to ensure consistent calibration results and long service life; order the weight directly via Metav Werkzeuge or consult our specialists for selection and delivery. Block weight KERN 346-86 — OIML M1, 5 kg painted cast-iron block A Block weight by KERN for reliable calibration and verification tasks in workshops and laboratories. OIML M1 certified single weight Nominal mass 5 kg for standard calibration Painted cast-iron block for robustness Suitable for workshop and laboratory checks Consistent metrology performance for routine calibrations The OIML M1 classification guarantees a defined tolerance of 250 mg, making this block mass a dependable reference for routine scale checks and non‑legal verification tasks. The nominal 5 kg mass provides a practical calibration point for bench and floor scales commonly used in production and quality control. By specifying the tolerance and class, traceability requirements are supported and drift can be identified quickly, reducing downtime and ensuring measurement comparability across shifts. Durable block design that withstands workshop conditions Constructed as a compact block in painted cast iron, the mass combines mechanical robustness with a form factor that resists accidental tipping and surface damage during handling. The coating improves corrosion resistance and eases cleaning after contact with oils or coolants. The solid geometry minimises the need for specialised mounting and enables quick placement on weighing pans, which supports efficient calibration cycles and a predictable service life in demanding shop environments. Practical supply and traceable identification for inventory Supplied by the recognised metrology brand KERN, the item is provided as a single calibration weight with a clear SKU and GTIN for inventory control, facilitating procurement and stock management. The block mass suits laboratories and workshops that prioritise straightforward handling and repeatable results. Where a documented verification history is required, the classification and nominal value allow easy logging in maintenance records and internal quality systems without additional adjustment or complex procedures. For KERN calibration masses and delivery from Emmerich, contact Metav Werkzeuge for professional advice and reliable supply to the workbench Technical data Article number: T346-8-A SKU: 346-86 Manufacturer: KERN GTIN: 4045761241626 Core data Nominal mass: 5 kg Tolerance (OIML M1): 250 mg Tariff number: 84239090 Country of origin: CN Special features Material: painted cast iron Design: block weight OIML class: M1 Delivery form: single weight FAQ What accuracy class does this calibration mass meet? The block mass meets OIML M1 accuracy; the tolerance for the nominal 5 kg mass is 250 mg, suitable for routine calibration and shop checks. Is this weight suitable for regular workshop verification of floor scales? Yes. The block design and 5 kg nominal value make the mass well suited for frequent verification tasks on bench and floor scales in workshop environments. What material is the mass made from and how does that affect handling? The mass is made from painted cast iron; the coating improves corrosion resistance and the block geometry eases handling and placement on weighing pans. Can the weight be used for traceable documentation in a quality system? The OIML M1 classification and clear identification (KERN, SKU 346-86, GTIN 4045761241626) support traceable record keeping within internal quality management systems. Is this a single calibration weight or part of a set? This product is supplied as a single weight in block format for individual calibration and verification use. Manufacturer: KERN; Distributor: Metav Werkzeuge, Emmerich am Rhein; Contact: info@metav-werkzeuge.com | +49 2822 7131930 | WhatsApp +49 170 2837271
5 kg Block Weight Precision OIML Class M3, Painted Cast Iron, 2.5 g Tolerance - KERN
Take advantage of the combination of robust construction, verified accuracy and straightforward handling for reliable routine calibration. The OIML Class M3 specification and 2.5 g tolerance ensure predictable measurement deviation, while the painted cast iron Block Eco design reduces handling damage. Order the ECO block weight directly via Metav Werkzeuge or consult our precision team for application advice. ECO block weight KERN 366-76 — Calibration weight, 5 kg, OIML Class M3 The ECO block weight KERN is a compact calibration weight designed for routine verification of industrial scales and workshop balances. OIML Class M3 for routine calibration Nominal value 5 kg with 2.5 g tolerance Painted cast iron Block Eco design Reliable accuracy for routine verifications The OIML Class M3 rating indicates suitability for regular verification and control tasks where traceable accuracy is required without lab-grade expense. With a nominal value of 5 kg and a tolerance of 2.5 g, this calibration weight provides a clear, verifiable error band for many industrial and workshop scales. Class M3 is commonly used in production, goods receipt and maintenance checks; explaining the class helps operators select the correct weight for their compliance needs. Durable construction for everyday workshop use Manufactured in a painted cast iron finish, the block-style design offers robust handling characteristics that suit busy environments. The Block Eco form minimises exposed edges and reduces the risk of accidental chipping, extending service life compared with uncoated components. This combination of material and shape supports cost-effective service intervals and straightforward storage on the shop floor, contributing to lower lifetime operating costs for calibration equipment. Practical fit for metrology and quality control workflows As a single weight in a compact format, this solution simplifies on-site checks where a full set is unnecessary. The calibration weight is compatible with a wide range of balances used in incoming goods inspection, maintenance rounds and production monitoring. Clear specification and simple handling streamline integration into standard operating procedures, helping maintenance teams keep scales within acceptable limits and reducing downtime associated with uncertain measurements. Request a tailored recommendation through Metav Werkzeuge — our precision consultants in Emmerich will advise on suitability and supply the ECO block weight together with documentation to fit existing calibration routines Technical Data Article number: 366-76 Manufacturer: KERN GTIN: 4045761241824 Facts Nominal value: 5 kg Tolerance (OIML): 2.5 g OIML class: M3 Tariff code: 84239090 Special features Painted cast iron Block Eco design Single weight FAQ What does OIML Class M3 mean for workshop checks? OIML Class M3 denotes a calibration grade suitable for routine verification tasks; the ECO block weight KERN (SKU 366-76) meets this class and is intended for regular control and production use. How precise is the 5 kg ECO block weight? The ECO block weight KERN 366-76 has a tolerance of 2.5 g, which defines the maximum permissible deviation for its 5 kg nominal value in accordance with OIML M3. Is the material appropriate for industrial environments? Yes — the painted cast iron construction of the ECO block weight offers robustness against mechanical wear common in industrial and workshop settings. Can this weight be used for routine checks on shop-floor scales? The product is designed for exactly that purpose; its OIML Class M3 designation and single-weight format make the ECO block weight KERN suitable for routine shop-floor verifications. How is the ECO block weight identified for inventory and ordering? Identification is via SKU 366-76 and GTIN 4045761241824, which appear on product labels and order documentation for the KERN ECO block weight. Metav Werkzeuge, Emmerich am Rhein, Germany — Email: info@metav-werkzeuge.com — Tel: +49 2822 7131930 — WhatsApp: +49 170 2837271
5 kg Block Weight OIML F2 Stainless Steel Shot-Blasted, 80 mg Tolerance - KERN
Take advantage of the combination of precise OIML F2 accuracy, robust stainless steel construction, and straightforward traceability for reliable calibration routines. Order the weight directly via Metav Werkzeuge or consult our experts for calibration options and delivery from Emmerich. KERN 336-36 Block Weight — 5 kg, OIML F2, stainless steel (shot‑blasted) The KERN 336-36 is a 5 kg OIML F2 block weight designed for precise verification and calibration of balances and scales in laboratories and industrial environments. OIML class F2 accuracy Solid stainless steel block design Nominal mass 5 kg with 80 mg tolerance Shot‑blasted surface finish Consistent accuracy for routine calibration tasks The block weight delivers OIML F2 accuracy, which provides a reliable tolerance of 80 mg for a nominal mass of 5 kg. This level of precision supports routine verification and adjustment of laboratory and workshop scales, ensuring measurement results remain within legally recognised limits. By choosing a calibrated, class‑rated standard, measurement uncertainty is reduced, simplifying documentation and conformity checks during internal audits or quality inspections. Robust construction that withstands daily use Manufactured from shot‑blasted stainless steel, the weight combines corrosion resistance with a surface finish that minimises handling marks. The block design offers a compact footprint for safe placement on balance pans and reduces the risk of tipping compared with tall masses. The material choice and finishing contribute to durability and ease of cleaning, meaning less downtime for maintenance and a longer service life under regular use. Traceability and calibration options to match workflows A calibrated reference mass supports traceability of measurement results. For applications requiring official traceability, a DAkkS calibration is recommended and is widely accepted across laboratories and industry. For most in‑house verifications, the class‑rated mass permits quick checks and adjustments, while documented calibration certificates support quality management systems and compliance with measurement standards. Choose the KERN 336-36 for dependable calibration results and contact Metav Werkzeuge for expert advice, calibration options and reliable delivery from our Emmerich warehouse Technical Data Article number: 336 SKU: 336-36 Manufacturer: KERN Origin: Germany GTIN: 4045761232808 Facts Nominal mass: 5 kg OIML class: F2 Tolerance (OIML F2): 80 mg Tariff number: 84239090 Special features Material: stainless steel, shot‑blasted Design: block weight Type: single calibration weight Recommendation: protective case advised for storage and transport Suitability: for verification and calibration of balances and scales FAQ What accuracy class does this weight conform to? The weight conforms to OIML class F2, offering a tolerance of 80 mg for the 5 kg nominal mass. Is the material suitable for regular workshop use? Yes; the block is made from shot‑blasted stainless steel, providing durability and resistance to corrosion in typical laboratory and workshop environments. Can this weight be used for official calibration certificates? For traceable, official calibration certificates, a DAkkS calibration is recommended; the class F2 mass is suitable for many verification tasks and can be supplied with appropriate certification. Is a protective case necessary for this weight? Due to the high accuracy class, a protective case is recommended to prevent damage and preserve conformity during storage and transport. What applications is the block design suited for? The compact block form is ideal for balance pans and bench scales, supporting routine checks, adjustments and conformity testing in laboratories and industrial quality control Manufacturer: KERN, Germany
5 kg Block Weight Precision OIML Class F1 Polished Stainless Steel, 25 mg Tolerance - KERN
Take advantage of OIML Class F1 accuracy and the 5 kg nominal mass combined with a polished stainless steel block design for reproducible calibration results; order the item directly via Metav Werkzeuge or consult our specialists for DAkkS-calibration advice. Block weight KERN 326-36 — OIML Class F1, 5 kg polished stainless steel The Block weight KERN 326-36 is a precision calibration weight designed for laboratory and industrial scale verification, supplied in a robust knob-style block for stable handling and repeatable placement OIML class F1 accuracy 5 kg nominal mass Polished stainless steel block Knob form for secure handling Consistent accuracy for reliable measurements The KERN block weight delivers reproducible results thanks to its classification as OIML class F1, which guarantees a maximum deviation of 25 mg at the nominal mass of 5 kg. This level of precision is suited to routine verification and laboratory checks where tight tolerances are required. The nominal mass and tolerance are specified according to international metrology standards, enabling predictable behaviour during calibration sequences. Choosing an F1-class weight reduces uncertainty contribution in balance verification and supports clear documentation for quality systems. Robust materials and practical shape for daily use Manufactured from polished stainless steel, the block design combines corrosion resistance with an easy-to-clean surface that preserves mass stability over time. The knob form improves handling and placement onto weighing pans, reducing the risk of contact errors during transfer. A polished finish minimises contamination and aids visual inspection; the compact block shape is particularly useful in workshops and calibration labs where space and repeatability matter. Originating from Germany, this item is built for regular use and longevity in professional environments. Fits into quality assurance workflows and traceability chains For accredited or high-standard processes, documentation and traceability remain essential. The calibration weight is compatible with standard calibration procedures and can be supplied with a calibration certificate on request; DAkkS calibration is recommended for most accredited applications. Using a certified reference mass like this 5 kg block helps maintain compliance with internal audits and external inspections, and it supports a measurable reduction in measurement uncertainty. Integrating such a reference into routine controls strengthens overall process reliability without complex handling procedures. Order the KERN 326-36 block weight via Metav Werkzeuge in Emmerich and request DAkkS-calibration guidance or technical clarification by email or phone Technical data Article number: 326 SKU: 326-36 GTIN: 4045761232877 Facts Nominal mass: 5 kg Tolerance (OIML F1): 25 mg Customs tariff number: 84239090 eClass: 32120103 Special features Material: polished stainless steel Shape: knob form OIML class: F1 Manufacturer: KERN Origin: Germany FAQ What accuracy class does this calibration weight belong to? The calibration weight is classified as OIML class F1, which corresponds to a tolerance of 25 mg for the 5 kg nominal mass. Is the 5 kg block suitable for laboratory and industrial scales? Yes, the 5 kg polished stainless steel block weight is intended for both laboratory checks and industrial verification tasks where F1 accuracy is required. Can the weight be supplied with a calibration certificate? A calibration certificate can be provided; for accredited applications DAkkS calibration is recommended and accepted for most purposes. What advantages does the polished stainless steel offer? Polished stainless steel provides corrosion resistance, easy cleaning and stable mass over time, supporting long-term reproducibility in calibration routines. How does the knob form improve handling? The knob-style top facilitates secure gripping and reduces transfer errors when placing the weight on balances, improving repeatability in routine use. Manufacturer: KERN, Germany
10 kg Precision Calibration Weight Stainless Steel Fine-Turned Stackable, OIML Class M1 - KERN
Take advantage of precise, certified mass standards and robust stainless‑steel finishing to keep verification routines efficient and traceable; the stackable design reduces handling time and protects the weight when not in use. Order the product directly via Metav Werkzeuge or ask our consultants if needed. KERN 347-141 Calibration weight — OIML class M1, 10 kg, turned stainless steel The KERN 347-141 calibration weight is a stackable, OIML M1 reference mass designed for routine verification and calibration of industrial and laboratory scales. Calibration weight KERN 347-141, OIML class M1 Nominal mass 10 kg, tolerance 500 mg Turned stainless steel, corrosion resistant Stackable design for safe storage Assured accuracy for routine verification The OIML class M1 designation ensures the weight meets recognised international tolerances, with a nominal mass of 10 kg and a tolerance of 500 mg, providing a dependable reference for mid‑range calibrations. Such classification supports traceable verification of balances and scales used in production control and quality assurance. By specifying an OIML‑rated reference, measurement uncertainty from the mass standard is minimised, aiding compliance with internal quality processes and external audit requirements. Durable construction tailored to workshop environments Manufactured from turned stainless steel, the weight combines dimensional stability with resistance to corrosion and staining, extending service life in workshop and laboratory settings. The machined finish reduces dirt accumulation and simplifies cleaning after repeated handling. The stackable form factor secures individual weights during storage and transport, reducing the risk of damage and ensuring that reference masses remain within specification for longer periods. Integration into efficient calibration workflows As a control weight, the unit is suitable for quick spot checks and routine calibration cycles, supporting fast decision‑making on the shop floor. Its compact cylinder dimensions (136×132 mm) and clear identification via SKU and GTIN allow simple inventory handling and traceability within calibration logs. Using a certified reference mass reduces downtime for balances and contributes to reliable production output by enabling fast verification without the need for complex equipment or procedures. Reliability backed by recognised manufacturing Produced by KERN, the component reflects established manufacturing standards for precision masses. The combination of certified accuracy and rugged materials makes this product appropriate for maintenance departments, calibration labs and industrial metrology applications where dependable, repeatable results are essential. Pairing such a mass with documented calibration intervals supports consistent measurement quality across operations. For precise calibration and dependable stock supply, contact Metav Werkzeuge in Emmerich to arrange delivery of the KERN 347-141 calibration weight or to discuss suitability for specific scales — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 347 SKU: 347-141 Manufacturer: KERN GTIN: 4045761008915 Country of origin: DE Facts Nominal mass: 10 kg Tolerance (OIML M1): 500 mg OIML class: M1 Cylinder dimensions: 136×132 mm Commodity code: 84239090 Special features Material: turned stainless steel Stackable Application: control/calibration weight FAQ What level of accuracy does this calibration weight provide? The KERN 347-141 calibration weight is OIML class M1 with a tolerance of 500 mg on a 10 kg nominal mass, making it suitable for routine verification tasks and mid‑range calibrations. Is this weight suitable for use in both workshops and laboratories? Yes, the turned stainless‑steel construction and stackable design make the weight robust enough for workshop environments while offering the precision required in laboratory verification routines. How does the stackable design benefit storage and handling? Stackability reduces the footprint during storage, protects individual masses from impact, and simplifies inventory management, helping to maintain the condition and accuracy of the weights. Which identifiers confirm the product and origin? The product is supplied by KERN (SKU 347-141) with GTIN 4045761008915 and is marked with country of origin DE. Can this weight be used for daily control checks on production scales? Yes, as a control weight with OIML class M1 specification and a 10 kg nominal mass, it is appropriate for routine spot checks and ongoing verification of industrial scales. KERN, Germany, GTIN 4045761008915
10 kg Precision Check Weight Stackable, Polished Stainless Steel, OIML Class F1 - KERN
Benefit from consistent measurement results thanks to OIML F1 accuracy, a polished stainless steel surface and a stackable design for safe storage — order directly via Metav Werkzeuge or consult our specialists for accessory recommendations such as a protective etui. KERN 327-141 calibration weight — OIML F1, 10 kg, polished stainless steel The KERN 327-141 is a stackable control weight for precise verification and routine checks of laboratory and workshop scales OIML class F1 certified accuracy 10 kg nominal value Polished stainless steel finish Stackable design for secure storage Reliable accuracy for routine checks and calibrations Designed for consistent repeatability, this calibration weight meets OIML F1 specifications with a declared tolerance of 50 mg, making it suitable for routine verification and control tasks where tight tolerances are required. The 10 kg nominal value provides a practical reference point for a wide range of industrial and laboratory scales. By choosing a weight with certified class and documented tolerance, firms reduce uncertainty in measurement results and support quality control processes with objective, comparable data. Robust finish and practical handling that protects investment The polished stainless steel construction resists corrosion and retains its surface integrity under regular use, which reduces maintenance effort and extends service life. Its button form and compact cylinder dimensions (136×132 mm) enable secure placement and easy handling on balances and comparison stands. The stackable design saves bench or storage space and supports organised storage routines; paired with a suitable protective etui, the handling risks during transport and storage are minimised. Traceability and conformity support for regulated workflows With the EG initial verification no longer available after 30.11.2025, a DAkkS calibration is recommended for most applications to ensure traceability and documented conformity. The weight is manufactured by KERN in Germany and is suitable as a control weight in calibration loops, audits and internal quality assurance. For facilities requiring documented measurement chains, professional calibration and appropriate documentation help to satisfy certification and inspection demands while maintaining measurement confidence. For professional advice on suitable accessories or calibration options, and to order this control weight via Metav Werkzeuge, please contact our consultants who will guide on etui selection and DAkkS services Technical data Article number: 327 SKU: 327-141 GTIN: 4045761004856 Manufacturer: KERN Origin: DE Specifications Nominal weight: 10 kg Tolerance (OIML F1): 50 mg Dimensions (cylinder): 136×132 mm Form: Button shape Materials & features Material: Polished stainless steel Stackable ECLASS: 32120103 Tariff code: 84239090 FAQ What accuracy class does this calibration weight belong to? The calibration weight is specified as OIML F1, with a declared tolerance of 50 mg, suitable for precise control measurements. Is the 10 kg weight suitable for laboratory and workshop use? Yes, the 10 kg nominal value and robust polished stainless steel design make this control weight suitable for both laboratory and workshop verification tasks. Is a calibration certificate available and what is recommended? A DAkkS calibration is recommended for traceability and documented conformity; Metav Werkzeuge can advise on DAkkS services for the KERN 327-141. Can the weight be stacked for compact storage? The unit features a stackable design that enables secure, space-saving storage when multiple weights are used together. Are protective cases recommended for this precision weight? Due to the fine tolerance of the weight, a protective etui is recommended to reduce handling damage and preserve accuracy; Metav Werkzeuge can suggest appropriate cases. KERN — Germany. Metav Werkzeuge, Emmerich am Rhein. Email: info@metav-werkzeuge.com | Tel: +49 2822 7131930 | WhatsApp: +49 170 2837271
10 kg Precision Control Weight Three-Point Stainless Steel Fine-Turned, OIML F2, 160 mg Tolerance - KERN
Benefit from the combination of OIML class F2 accuracy, a 10 kg nominal mass and a finely turned stainless steel finish to achieve repeatable calibration results; order the reference weight directly via Metav Werkzeuge or consult our specialists for accessory recommendations. KERN 337-141 Calibration Weight – 10 kg, OIML class F2, finely turned stainless steel A KERN 337-141 calibration weight designed for traceable verification of balances and scales in laboratories and workshops. OIML class F2 accuracy Nominal value 10 kg Finely turned stainless steel Stackable for compact storage Precision that ensures traceable results The calibration weight is specified as OIML class F2, with a nominal mass of 10 kg and a declared tolerance of 160 mg, making it suitable for precise verification tasks in quality control and laboratory environments. Class F2 denotes a defined maximum permissible error for reference masses used to check analytical and precision balances; this guarantees that adjustments and routine checks are performed against a test mass with measurable and certified limits. Using a weight with these specifications supports documented traceability and simplifies internal audit trails. Robust finish for consistent handling Manufactured from finely turned stainless steel, the reference mass resists corrosion and surface wear, which helps maintain its metrological characteristics over time. The smooth finish reduces contamination and makes careful handling straightforward during calibration runs. The product is also stackable, enabling compact storage and reduced risk of accidental damage when multiple weights are kept together. The combination of material quality and machining method contributes to stable repeatability during repeated verification procedures. Practical recommendations for measurement workflows For reliable long-term use, store the calibration weight in a protective case to avoid surface marks and minimise handling contamination; a case is particularly recommended for weights in the F2 class to preserve accuracy. When performing calibrations, allow the weight to reach room temperature and handle it with clean gloves or tweezers to avoid oil transfer. Integrating this reference mass into regular maintenance schedules reduces adjustment time for balances and supports consistent measurement results across production and inspection routines. Select the KERN 337-141 for dependable verification and contact Metav Werkzeuge in Emmerich for accessory recommendations, secure supply and specialist advice (info@metav-werkzeuge.com | +49 2822 7131930) Technical data Article number: 337 SKU: 337-141 GTIN: 4045761006577 Manufacturer: KERN Country of origin: Germany Facts Nominal value: 10 kg Tolerance (OIML F2): 160 mg Dimensions (cylinder): 136×132 mm Mass: 10 kg Special features Material: finely turned stainless steel Product category: single calibration weight Product group: OIML F2 Stackable Harmonised System number: 84239090 FAQ What level of accuracy does this reference weight provide? The KERN 337-141 is classified as OIML class F2 with a tolerance of 160 mg, making it suitable for verification of precision and laboratory balances where class F2 is required. Is the weight suitable for regular calibration routines in a workshop environment? Yes. The 10 kg calibration weight is intended as a control mass for routine checks and adjustments of balances in workshops and laboratories, offering repeatable results due to its material and machining. How should the calibration weight be stored to preserve accuracy? A protective case is recommended for the KERN 337-141 to avoid surface damage and contamination; store in a dry, temperature-stable environment and handle with gloves or tweezers. What is the material and why does it matter? The weight is made from finely turned stainless steel, which ensures corrosion resistance and a stable surface finish—both important for preserving metrological properties over time. Can multiple weights be stored together safely? Yes. The design is stackable, which allows compact storage of multiple weights while helping to protect surfaces when combined with suitable protective cases. Metav Werkzeuge, Emmerich am Rhein — info@metav-werkzeuge.com | +49 2822 7131930 | WhatsApp: +49 170 2837271
5 kg Precision Calibration Weight Block Eco, Painted Cast Iron, OIML M1, 250 mg Tolerance - KERN
Take advantage of the combination of international conformity, robust construction and compact handling for dependable routine checks. Choose a proven OIML Class M1 solution with clear tolerances and straightforward storage — order supply or request advice directly from Metav Werkzeuge. ECO Block weight — KERN calibration mass, OIML Class M1, 5 kg painted cast iron The ECO Block weight is a compact calibration mass intended for routine accuracy checks of scales and balances in workshops and service environments, combining standard-compliant tolerance with a rugged block design. Single calibration weight, OIML Class M1 Nominal mass 5 kg for medium-accuracy checks Painted cast iron block construction Compact block design for stable placement Consistent accuracy for routine calibration The block is specified to OIML Class M1, which defines permissible deviations for working calibration weights; for this nominal mass the tolerance 250 mg is stated, providing predictable error limits for everyday verification tasks. This classification means the mass is suitable as a calibration mass for many industrial and workshop applications where medium-level accuracy is required, offering a reliable reference during routine checks of shop-floor balances and postal or counting scales. Explaining the standard helps translate technical limits into operational expectations, so maintenance cycles and comparative checks can be planned with clarity. Robust construction that eases daily handling Manufactured as a painted cast iron block, the design focuses on mechanical stability and straightforward placement on weighing pans. The block form reduces tip-over risk and concentrates mass in a compact footprint, which benefits fast checks and repeatable handling. The finish provides basic surface protection and aids cleaning after use; combined with the solid construction, this reduces the frequency of handling-related maintenance without compromising the integrity required for routine verification tasks. Practical application and safe storage in the workshop Designed as a single test weight, the mass is best integrated into regular calibration routines where traceable high-end certification is not mandatory. For best results, keep the item dry, avoid mechanical shocks and place it on a non-abrasive surface or rest when not in use to preserve the calibration state. For installations that need documented traceability or calibration certificates, planning an external certification step is recommended; technical teams can advise on frequency and methods to match in-house quality assurance regimes while ensuring compliance with local or industry-specific requirements. For reliable medium-accuracy calibration with KERN quality, contact Metav Werkzeuge in Emmerich for supply and technical advice — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 346-76 Manufacturer article number: T346-7-A SKU: 346-76 Manufacturer: KERN Facts Nominal mass: 5 kg Tolerance (OIML Class M1): 250 mg GTIN: 4045761241671 Tariff code: 84239090 Special features Painted cast iron Block Eco design Single calibration weight OIML Class M1 Origin: CN FAQ What does OIML Class M1 mean for daily use? OIML Class M1 defines the maximum permissible error for a working weight; the ECO Block weight meets that class so it can be used for routine verification where 250 mg tolerance at 5 kg is acceptable. Is this mass suitable for laboratory reference standards? The ECO Block weight is specified for medium-accuracy checks; for primary laboratory standards, higher OIML classes or certified reference masses are normally required. How should the weight be stored to maintain condition? Store the block on a stable, dry surface and avoid impacts; the painted cast iron finish helps protection, but careful handling will prolong usability. Can this weight be used on all types of scales? The mass is intended for use with scales and balances compatible with a 5 kg test weight and appropriate loading; confirm compatibility with the instrument’s loading area before use. Is a calibration certificate included with the product? A calibration certificate is not specified in the product data; if certification is required, arrange traceable calibration through an accredited laboratory or ask Metav Werkzeuge for available options. KERN — Address: — — Contact: —
10 kg Wooden Case Three-Point Padded For F1 Calibration Weights - KERN
Robust wooden storage with a padded interior and secure retention for a single 10 kg control weight, designed for calibration classes F1–M1; lightweight handling at 3.1 kg ensures uncomplicated routine use. Combine reliable protection, durable wooden construction and straightforward organisation for an efficient calibration workflow. Order the KERN case directly via Metav Werkzeuge or ask our consultants if needed. KERN Wooden Case 337-141-100 — Padded storage for control weights The KERN 337-141-100 wooden case is a compact protective case intended for safe storage and transport of individual calibration control weights used in laboratory and workshop metrology. Padded interior for secure weight protection Designed for single 10 kg control weights Suitable for calibration classes F1–M1 Solid wooden construction for long service life Compact and lightweight at 3.1 kg Protecting valuable calibration weights for accurate results The padded interior and tailored compartments minimise movement and surface contact, preserving the metrological condition of a control weight during transport and storage. By reducing mechanical shocks and abrasion, the case helps maintain calibration accuracy and measurement traceability over time. For users operating in calibration laboratories or internal quality control, preserving the reference mass means fewer calibration errors and more consistent measurement outcomes. The durable wooden shell adds mechanical protection while remaining gentle on fine surfaces. Faster workflows through clear organisation and easy handling With a design optimised for a single standard weight, the case shortens handling times during routine checks and calibrations. The compact format and the low net weight of 3.1 kg allow straightforward placement on a workbench or in instrument cabinets, improving daily efficiency and reducing search time for reference standards. Clear visual orientation inside the case supports rapid identification and return of the weight to its designated storage, contributing to good laboratory practice and simplified inventory control. Meets calibration needs for F1–M1 classes and workshop use The case is specified for calibration classes F1–M1, meaning it is suitable for weights that demand strict tolerance and surface condition. While the enclosure itself does not change the weight’s calibration, protecting the artefact from contamination and mechanical impact supports the long-term stability required by metrology standards. For workshops and service providers that handle reference masses, this case provides a practical solution to help ensure that weights remain within their certified condition between calibrations. A dependable addition to a precision toolkit The wooden construction, combined with internal padding, offers a balance between protection, longevity and a professional appearance suited to calibration environments. Procuring the case through a specialised supplier ensures access to a quality-filtered product range and dependable supply. Metav Werkzeuge’s emphasis on precision democratisation and a broad product offering supports customers who prioritise consistent performance and logistical reliability from a single source. For secure, standards-compliant storage of F1 control weights, choose the KERN 337-141-100 via Metav Werkzeuge — based in Emmerich — or contact Metav’s consultants at info@metav-werkzeuge.com / +49 2822 7131930 for further details Technical Data Article number: 337-141-100 Manufacturer: KERN GTIN: 4045761237261 Origin country: DE Tariff number: 84239090 eClass: 21100103 Core technical data Case weight: 3.1 kg Suitable for nominal weights up to 10 kg Calibration classes: F1–M1 Special features Material: wood Interior: padded Designed for single control weight (10 kg) Product category: cases & etuis Product group: wooden etuis FAQ What weight sizes fit this case? The KERN 337-141-100 is designed specifically to accommodate a single control weight with a nominal value of 10 kg. Is the case suitable for calibration class F1 weights? Yes, the case is specified for calibration classes F1–M1 and provides protection that helps preserve the condition required for F1 weights. What material is the case made from? The enclosure is manufactured from wood and features a padded interior to protect surfaces and reduce movement of the weight. How heavy is the empty case and is it easy to handle? The empty case weighs 3.1 kg, offering a compact and lightweight solution for routine handling and storage. Can this case be used for transport between sites? Yes, the padded interior and solid wooden construction are intended to protect a single control weight during short-distance transport and internal transfers. Manufacturer: KERN, Germany; Contact via distributor Metav Werkzeuge — info@metav-werkzeuge.com, +49 2822 7131930
10 kg Wooden Weight Case Unpadded, For Class F2/M1 Calibration Weights - KERN
Combine robust, compact design with quick availability and precise fit for a 10 kg control weight; the wooden construction ensures secure handling and easy storage. Order the case directly via Metav Werkzeuge or consult our specialists for application advice. Holz-Etui KERN 337-141-200 — Wooden case for 10 kg control weight, unpadded the Holz-Etui KERN 337-141-200 is a wooden storage case designed to accommodate a single 10 kg control weight, offering compact protection for calibration and testing tasks Wooden case for 10 kg control weight Unpadded interior for custom protection Suitable for F2 and M1 control weights Secure storage and clear protection for calibration weights The wooden case is tailored to the safe storage of a 10 kg calibration or control weight, reducing the risk of surface damage during handling and transport. The unpadded interior offers a straightforward solution for workshops that prefer to apply bespoke padding or use the raw cavity for a snug fit. Built from solid wood, the case provides a stable shell that resists dents and deformation, while the compact form keeps the mass centrally supported, which helps to maintain the integrity of the control weight between uses and calibrations. Practical benefits for workshop workflows and logistics Designed for single-weight storage, the case supports fast, repeatable handling routines in metrology and maintenance environments. At a case weight of 3.1 kg, the container remains easy to move and stack, simplifying inventory management and transport within the workshop. The straightforward construction reduces maintenance needs and allows immediate use on site or in transit. Where traceable measurement work is required, this storage solution integrates neatly into calibration procedures and workshop workflows, supporting efficient turnaround and minimal handling complexity. Durable materials and responsible sourcing for everyday use Constructed from quality wood, the case combines durability with a tactile, repairable surface that is straightforward to maintain. The plain interior and robust exterior make the product suitable for repeated use in industrial settings where tools and standards are stored close to hand. The case is produced under the KERN brand, known for precision equipment, and is supplied via a distribution network that emphasises reliable fulfilment. This combination of durability and availability supports long-term operational reliability without adding unnecessary complexity to storage routines. For tailored advice on the KERN wooden case and to secure reliable supply from Metav Werkzeuge in Emmerich, contact our consultants for an assessment of suitability and delivery options Technical data Article number: 337 SKU: 337-141-200 GTIN: 4045761150676 Manufacturer: KERN Country of origin: DE Facts Case weight: 3.1 kg Intended for nominal value: 10 kg Tariff number: 84239090 ECLASS: 21100103 Special features Material: Wood Interior: Unpadded Design: For single control/test weights Product group: Wooden case for test weights FAQ Is this case suitable for a 10 kg calibration weight? The case is intended for a 10 kg nominal control weight and provides rigid protection for calibration and storage tasks. Does the case come padded? The interior is unpadded; the design allows bespoke padding to be added if a softer internal lining is required. Which accuracy classes is the case intended for? The wooden case is supplied for use with control weights in classes F2 and M1, matching common workshop calibration needs. What is the weight of the empty case? The empty case weighs approximately 3.1 kg, which supports easy handling and stacking in workshop environments. KERN — Germany
100 kg Heavy Duty Stackable Test Weight OIML Class M1, Painted Cast Iron, 5 g Tolerance - KERN
Take advantage of reliable OIML class M1 accuracy and a robust painted cast-iron design to secure consistent calibration results in heavy-duty environments. Order the weight directly via Metav Werkzeuge or consult our specialists for assistance and additional technical data. KERN 346-81 Heavy-duty calibration weight (OIML M1, 100 kg) A KERN 346-81 heavy-duty calibration weight for calibrating industrial scales and validating load cells in workshops and production facilities. OIML class M1 accuracy 100 kg nominal mass Painted cast-iron construction Stackable for safe storage Precision that secures measurement reliability The OIML M1 rating ensures reproducible results for routine verification and calibration tasks where industrial-grade accuracy is required. With a nominal mass of 100 kg and an OIML tolerance of ±5 g, this calibration weight provides a clear traceable reference for medium-to-large scales and load cell checks. For users without a metrology background, OIML classes indicate permitted maximum deviations: M1 is suitable for many commercial and workshop applications where precise but robust verification is necessary. Incorporating such a standardised mass reduces uncertainty in weighing processes and supports conformity with internal quality checks. Durable design that withstands workshop use Constructed from painted cast iron, the unit combines high density with surface protection against everyday wear. The material choice gives stable mass distribution and long service life under regular handling. The stackable format simplifies storage and keeps sets compact while preventing damage when not in use. These mechanical features reduce handling time and the risk of impact-related damage, supporting uninterrupted production workflows. The robust finish also facilitates cleaning and avoids rapid corrosion in standard industrial environments. Practical application and regulatory compatibility Designed for calibration of floor scales, platform scales and load cells, this heavy-weight fits into routine maintenance schedules and quality-management procedures. The item is traceable via its SKU and GTIN for inventory control and documentation purposes, aiding compliance with calibration records. Using a standardised mass such as this enables reliable comparison across devices and over time, which benefits process control and reduces rework due to measurement errors. The product’s specifications make it a practical choice for workshops seeking a dependable, easy-to-store reference mass. Contact Metav Werkzeuge in Emmerich by email at info@metav-werkzeuge.com or by phone on +49 2822 7131930 to discuss suitability, availability and delivery for KERN heavy-duty calibration weights Technical data Article number: 346 SKU: 346-81 GTIN: 4045761008366 Manufacturer: KERN Origin: Germany Tariff number: 84239090 ECLASS: 32120103 Core specifications Nominal weight: 100 kg OIML class: M1 Tolerance: ±5 g Materials & special features Painted cast iron Stackable design Heavy-duty calibration weight Suitable for calibrating industrial scales and load cells FAQ What level of accuracy does this calibration weight offer? The KERN 346-81 is specified to OIML class M1 with a tolerance of ±5 g, providing a reliable reference for many commercial and workshop calibrations. Can this weight be used for load cell checks on platform scales? Yes, the heavy-duty construction and 100 kg nominal mass make the unit suitable for load cell verification and platform-scale calibration in industrial settings. How should the weight be stored to maintain accuracy? Store the painted cast-iron mass in a dry, stable environment and use the stackable design to prevent impacts; routine checks against a traceable standard are recommended to confirm ongoing accuracy. Manufacturer: KERN — Address: Germany — Contact: not provided in the source data
1g–5g Plastic Case For Single Weights, Class F1–M3 Compact Buttons - KERN
Take advantage of a compact, KERN-specified storage solution that protects individual calibration weights and keeps them organised for routine use; the combination of robust plastic construction, compatibility with 1 g–5 g knob/compact weights and straightforward handling ensures reliable daily workflow — order directly via Metav Werkzeuge or consult our team for product matching. Plastic case 347-030-400 — for individual calibration weights, 1 g–5 g, classes F1–M3 (KERN) The Plastic case 347-030-400 is a compact storage and transport solution for individual calibration weights, designed to keep knob/compact weights organised and protected in laboratories, workshops and service environments. Compact plastic case for individual weights Fits knob/compact weights 1 g–5 g Suitable for calibration classes F1–M3 Durable, lightweight storage solution Protects accuracy by preventing contamination and wear The case offers a secure place to store calibration weights so that surface contamination and handling damage are minimised, which in turn preserves measurement accuracy over time. By keeping knob and compact weights separated and secured, the storage solution reduces the need for frequent recalibration and helps maintain compliance with routine test intervals. This protective function is particularly relevant when handling sensitive classes such as F1–M3, where surface condition has a direct effect on measurement results. Lightweight plastic design for easy handling and transport Constructed from plastic, the case is both lightweight and durable, making movement between benches or job sites straightforward without adding significant bulk. Weighing approximately 0.02 kg, it supports convenient handling while providing a firm housing for individual pieces. The material choice balances protection with portability, offering a practical alternative to heavier metal cases where the primary requirement is safe short-term storage rather than long-term extreme environmental protection. Organises calibration workflows for faster selection and traceability A dedicated case reduces search times and streamlines the selection of the correct nominal weight during routine checks, improving operational efficiency in workshops and service departments. Clear organisation contributes to faster test cycles and less downtime, which in aggregate supports productivity goals. Where traceability is required, consistent storage in a defined case helps operators maintain an orderly inventory and reduces human error during weigh-ins and calibrations. Compatible with industry practice and a recognisable brand Designed for use with knob/compact weights in the 1 g–5 g range and suitable for classes F1–M3, the case aligns with common metrology practice and complements existing weight sets from established manufacturers. The KERN designation signals compatibility with professional weighing equipment; origin details indicate manufacturing standards consistent with European metrology supplies. As a simple yet effective accessory, the case supports routine maintenance of weights without introducing complex handling procedures. Contact Metav Werkzeuge for tailored advice on integrating the KERN plastic case 347-030-400 into workshop or laboratory inventory — email info@metav-werkzeuge.com or call +49 2822 7131930 for precise product matching and availability Technical Data Article number: 347-030-400 SKU: 347-030-400 GTIN: 4045761008663 Manufacturer: KERN Origin country: DE Material: Kunststoff Facts Weight (case): 0.02 kg ECLASS: 21100103 Tariff number: 84239090 Special features Case for individual weights Suitable for nominal values 1 g–5 g For calibration classes F1–M3 Designed for knob/compact weight form Category: Prüfgewichte (Waagen > Prüfgewichte) FAQ What weights fit this case? The Plastic case 347-030-400 fits individual knob/compact calibration weights with nominal values from 1 g–5 g, making it suitable for small weight sets. Is the case suitable for F1 and M3 class weights? Yes, the case is specified for use with weights in classes F1–M3, supporting common laboratory and workshop calibration needs. What material is the case made from and is it durable? The case is made of plastic, chosen to be both durable and lightweight, providing protection against contamination and handling wear during normal use. Can this case be used with weight sets from other manufacturers? The case is designed for knob/compact weight formats and will accommodate compatible 1 g–5 g pieces from other manufacturers if the form factor matches. Who supplies this product and how can it be obtained? This item is supplied by KERN and is available through Metav Werkzeuge; consult Metav for availability and compatibility advice Manufacturer: KERN · Address: Germany · Contact: info@metav-werkzeuge.com / +49 2822 7131930
105mm Tweezer For Handling Small Test Weights, Teflon-Coated Tips - KERN
Take advantage of secure handling of small calibration weights, robust stainless steel construction and a compact 105 mm length for precise control; order the tweezers directly via Metav Werkzeuge or contact our consultants for application advice. Pinzette 315-243 — Precision tweezers by KERN, stainless steel, 105 mm The Pinzette 315-243 is a precision tweezer designed for the secure handling of small calibration weights in laboratories and workshop environments. Secure grip for micro calibration weights Stainless steel construction Length 105 mm for fine control Suitable for 1 mg – 200 g (E1 – M3) Secure handling for trace and routine calibration tasks The compact design delivers a secure grip for very small test weights, reducing the risk of slippage and accidental contact. Its dimensions, including the 105 mm length, allow for controlled, repeatable handling that supports efficient calibration workflows. This contributes to fewer handling errors and a more consistent weighing routine when working with weights from 1 mg – 200 g. Durable construction that keeps processes dependable Manufactured in stainless steel, the tool combines durability with low maintenance, ensuring longevity in daily metrology use. The robust construction helps maintain geometric stability and handling precision under repeated use, which supports reliable measurement results and reduces downtime for replacements. The design suits both laboratory benches and on-site calibration setups where space and dexterity matter. Practical compatibility and metrology clarity Designed for compatibility with standard calibration classifications, the tweezers are suitable for weights in classes E1 – M3, covering high-accuracy laboratory weights as well as routine workshop standards. For users less familiar with weight classes: these designations indicate recognised accuracy ranges used by calibration professionals and metrology services, ensuring the tool is appropriate for precise, standard-compliant handling. Confidence through expert supply and service Sourcing tools from a trusted partner simplifies procurement and post-sale support. Metav Werkzeuge stands for democratisation of precision, offering an extensive range of metrology supplies from its base in Emmerich. With a broad catalogue and a long-standing customer base, the emphasis is on dependable availability and a clear supply chain that supports uninterrupted calibration operations. Contact Metav Werkzeuge for tailored advice on the KERN 315-243 tweezers and to confirm suitability for specific weight classes — email info@metav-werkzeuge.com or call +49 2822 7131930 for fast guidance from our Emmerich team Technical data Article number: 315 SKU: 315-243 Manufacturer: KERN GTIN: 4045761067615 Length: 105 mm Net weight: 0.02 kg Facts Suitable weight range: 1 mg – 200 g Applicable weight classes: E1 – M3 Material: Stainless steel Special features Secure gripping geometry for small calibration weights Compact format for precise handling and repeatability Designed for laboratory and workshop use Rapid dispatch and broad metrology assortment available from supplier FAQ How small a weight can be handled with these tweezers? The Pinzette 315-243 from KERN is suitable for handling weights from 1 mg up to 200 g, covering the usual micro and small calibration weights used in precise weighing tasks. What material is the tool made from and why does that matter? The tweezers are made from stainless steel, giving corrosion resistance and dimensional stability that support consistent handling and long service life in metrology environments. Are these tweezers suitable for laboratory-grade calibration weights? Yes, the KERN 315-243 is specified for weights in classes E1 – M3, which includes high-accuracy laboratory weights as well as standard workshop classes, making it appropriate for professional calibration work. What are the physical dimensions and weight of the tweezers? The tweezers measure 105 mm in length and have a net weight of 0.02 kg, offering a compact tool that balances control with minimal contact force. Metav Werkzeuge, Emmerich am Rhein, Email: info@metav-werkzeuge.com, Tel: +49 2822 7131930
2kg Weight Handle Plastic-Coated For E1–M3 Button Weights, - KERN
Take advantage of the combination of safe handling, lightweight design and clear compatibility with calibration classes for reliable everyday use; order the KERN weight handle directly via Metav Werkzeuge or consult our experts for application advice. Weight handle 315-273 by KERN — plastic-coated lifting handle for 2 kg E1–M3 button weights The weight handle 315-273 is a plastic-coated lifting aid designed for secure handling of 2 kg button weights in calibration and testing environments Plastic-coated for secure grip Designed for 2 kg button weights E1–M3 Lightweight approx. 0.1 kg Safer handling reduces weight damage and handling errors The plastic-coated surface gives a comfortable, non-slip hold that reduces slipping and marring during transfers. For laboratories and workshops that perform routine verifications, this means fewer damaged standards and less downtime for replacement or recalibration. The handle is specified for 2 kg button weights in classes E1–M3, which covers the common range of high-accuracy to general-purpose calibration masses; these class designations indicate the permissible deviation and are used to match the handling tool to the required measurement certainty. The result is a tangible improvement in handling safety and measurement repeatability. Practical, lightweight design for efficient workflows Weighing approximately 0.1 kg, the lifting aid is deliberately lightweight so that it adds minimal bulk during repeated use, improving speed and ergonomics in busy testing routines. Its shape and coating streamline the placement and removal of button weights from balances and weight boxes, supporting faster cycle times without compromising accuracy. Note that the handle is not suitable for cast weights; it is engineered specifically for flat, button-style masses where the coating and grip geometry maintain secure contact without damaging delicate surfaces. Low-maintenance choice that supports traceable calibration The simple construction minimises maintenance: the polymer coating is easy to clean and protects both the handle and the mass from surface wear. For facilities seeking reliable, repeatable handling that aligns with traceability requirements, this accessory is a pragmatic choice. As a product from KERN, it complements established calibration routines and pairs well with precision equipment where strict class adherence and careful handling are required. For additional technical clarification or to confirm suitability for specific weight types, expert guidance is available. Contact Metav Werkzeuge in Emmerich for purchase or application support — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 315-273 SKU: 315-273 Manufacturer: KERN Facts Suitable for weights: 2 kg Accuracy classes: E1–M3 Weight of handle: 0.1 kg Special features Material: plastic-coated Designed for button weights (not suitable for cast weights) Intended use: handling and transfer during calibration FAQ Is this handle suitable for cast iron calibration weights? No. The KERN weight handle 315-273 is not suitable for cast weights; it is designed for button-style masses. Which weight sizes can be used with the handle? The lifting aid is specified for 2 kg button weights in accuracy classes E1–M3. How does the coating protect weights? The plastic-coated surface prevents abrasion and reduces the risk of surface damage during placement and removal of calibrated masses. Can the handle be used on all balance types? The handle is intended for use with balances that accept button-style masses; compatibility depends on the balance loading area and the weight form factor. What cleaning or maintenance is required? Wipe the coated surface with a mild detergent and a soft cloth; avoid aggressive solvents that can degrade the polymer coating. Manufacturer: KERN, Distributor: Metav Werkzeuge, Emmerich; Contact: info@metav-werkzeuge.com, +49 2822 7131930
20kg Weight Basket For Block Weights, OIML Class M1 Adjusted, Stainless Steel - KERN
Take advantage of the KERN weight basket’s calibrated accuracy and time-saving handling: the welded stainless-steel carrier serves both as a storage unit and a ready-to-use test assembly, calibrated to OIML class M1 and specified at 20 kg nominal basket weight. Order the weight basket directly via Metav Werkzeuge or consult our specialists if additional configurations are required. Weight basket 346-022-005 — calibrated for block weights, OIML M1, KERN A weight basket calibrated to OIML class M1, designed for rapid testing and storage of block weights on heavy floor, pallet and crane scales. Standardised weight basket for heavy scales Calibrated to OIML class M1 Stainless steel, glass-bead blasted finish Holds up to 120 kg total Faster verification for high-capacity scales The basket enables efficient, single-step placement of calibrated masses onto heavy-capacity weighing equipment, saving handling time during routine verification. Calibrated to OIML class M1, the carrier itself is listed with a nominal value of 20 kg and is sized to accommodate 5×20 kg block weights, yielding a maximum assembled load of 120 kg. This combination of calibrated mass and integrated handling reduces the number of load cycles required for verification and minimises scale downtime, which improves overall production throughput and scheduling. Traceable calibration that supports compliance Calibration to OIML class M1 provides documented, repeatable measurement quality suitable for many industrial control and verification tasks. The traceable adjustment of the basket and its mass value ensures that results from load tests and routine checks meet recognised standards, facilitating conformity checks and audit processes. For operations that require documented measurement uncertainty, the calibrated carrier offers a straightforward way to demonstrate consistent test conditions and to maintain reliable records for quality assurance. Robust construction for workshop use and storage Constructed from stainless steel with a glass-bead blasted finish, the carrier resists workshop contaminants and is easy to clean. The design doubles as a secure storage solution for block weights, keeping calibrated masses together and protected when not in use. The solid build and corrosion-resistant surface extend service life in industrial environments, while the single-piece assembly supports safe handling when loading onto pallet scales or crane systems. The durable finish also reduces maintenance needs and preserves the calibrated surfaces. For precision checks with the KERN 346-022-005 weight basket and to discuss delivery or alternative OIML classes, contact Metav Werkzeuge in Emmerich for specialist advice and logistics support Technical data Article number: 346-022-005 Manufacturer: KERN SKU: 346-022-005 Origin: DE ECLASS: 32120103 Commodity code: 84239090 Core technical figures Basket weight (nominal): 20 kg Possible filling: 5×20 kg block weights Maximum assembled weight (basket + weights): 120 kg Design and special features Calibrated to OIML class M1 Material: stainless steel, glass-bead blasted Suited for heavy floor scales, pallet scales, weighing trolleys, crane scales Serves as storage and handling device for block weights Made in Germany FAQ What calibration standard does this basket meet? The KERN weight basket 346-022-005 is adjusted to OIML class M1, offering documented accuracy suitable for many industrial verification tasks. Can the basket be used directly to test pallet and crane scales? Yes — the design of the KERN weight basket facilitates placement of calibrated masses for testing pallet scales, heavy floor scales and crane weighing systems. What is the nominal weight of the carrier and how much can it hold? The carrier itself is listed at 20 kg and can be equipped with 5×20 kg block weights, producing a maximum assembled load of 120 kg. What finish and material are used for workshop durability? KERN specifies stainless steel with a glass-bead blasted surface to resist contaminants, simplify cleaning and extend service life in industrial environments. Are other calibration classes available on request? Alternative OIML accuracy classes can be supplied; please ask for specific configurations when enquiring about the KERN weight basket 346-022-005. KERN — Germany · Metav Werkzeuge, Emmerich am Rhein · info@metav-werkzeuge.com · +49 2822 7131930
500g Plastic Case For Standard Weight Sets, For Classes E1–M3, Compact Button Design - KERN
Take advantage of durable, lightweight storage and organised inserts to keep calibration weights safe and accessible; the compact design supports routine handling and workshop transport. Order the plastic case directly via Metav Werkzeuge or ask our consultants if needed. Plastic case KERN 313-052-400 – Carrying case for standard calibration weight sets, up to 500 g The Plastic case KERN 313-052-400 is a compact carrying solution for standard calibration weight sets, providing organised storage and protection for weights used in precision metrology. Plastic case for standard weight sets up to 500 g Designed for weight classes E1 to M3 Compact, lightweight design for workshop transport Compatible with button/compact weight formats Secure storage that preserves calibration accuracy The robust plastic construction provides a protective outer shell that shields calibration weights from dust, knocks and moisture during storage and transit. Inside, the layout is tailored for standard subdivision sets so that each mass is held securely; this reduces the risk of surface damage and contamination that can affect measurement results. Conserving the surface integrity of calibration masses supports repeatable weighing and helps maintain traceability between calibration intervals. Organised layout for efficient handling and traceability A clearly arranged internal layout enables quick identification and removal of individual masses, which speeds up routine checks and decreases handling time. The case is specified for weight classes E1–M3 and nominal values up to 500 g, matching common calibration procedures in laboratories and workshops. By keeping sets together in a dedicated container, record-keeping and procedural compliance are simplified, which supports quality systems and audit readiness. Workshop-ready: portable, lightweight and practical With a low own weight of 0.35 kg, the case is easy to carry between bench, calibration station and storage shelf. The compact format reduces occupied space on the workbench and is convenient for mobile service technicians who require a reliable transport solution. The material resists routine workshop wear and can be wiped clean, so maintenance is straightforward and no specialist care is required to keep the case operational. Clear scope of use and compatibility guidance The design caters specifically to button/compact mass formats and standard weight sets; it is not suitable for cast weights or atypical mass geometries. This distinction matters because cast masses often require bespoke recesses or heavier-duty containment. If there is uncertainty about compatibility with a particular set, the case’s intended scope—standard subdivision, E1 to M3, up to 500 g—should be checked before purchase to ensure correct fit and continued measurement reliability. For tailored advice or to secure supply from our Emmerich warehouse, contact Metav Werkzeuge for further information and ordering assistance regarding the KERN 313-052-400 plastic case Technical data SKU: 313-052-400 GTIN: 4045761077935 Manufacturer: KERN Country of origin: Germany Facts Weight: 0.35 kg Suitable nominal values: 1 mg–500 g Weight classes: E1–M3 Special features Material: Plastic For standard weight sets (button/compact format) Not suitable for cast weights FAQ Is the case suitable for calibration weights above 500 g? The case is specified for nominal values up to 500 g; weights above this range are not covered by the internal layout and may not be held securely. Can the case be used for different weight classes? Yes, the container is designed for weight classes E1 to M3, supporting the common precision classes used in calibration laboratories. Does the case protect weights during transport? The plastic shell and organised recesses provide protection against shocks and contamination during routine transport and handling. Are cast weights suitable for storage in this case? No, the case is not suitable for cast weights; those typically require specific accommodation due to different shapes and higher mass. Who supplies this product and where is it shipped from? The product is supplied by KERN and can be ordered via Metav Werkzeuge; stock is distributed from Emmerich for delivery across Europe. KERN, Germany — Contact: not provided
Ensure measurement reliability with certified test weights
Test weights are defined mass artefacts used to verify, adjust and document the performance of scales across production, laboratory and quality assurance environments. They provide the objective reference needed to confirm accuracy, repeatability and process reliability where documented results matter.
How test weights work and where they matter
Test weights serve as traceable references with fixed nominal values — for example 1 g, 100 g, 1 kg or 20 kg — and are manufactured to specific accuracy classes so that permitted deviations are known and comparable. In practice they are used to check a scale’s reading at one or several points within its range, to distinguish between calibration (checking and documenting deviation) and adjustment (setting the scale to read correctly). Typical situations include routine production checks, audit-prepared quality control, laboratory validation and fault-finding when instability, vibration or environmental factors affect readings.
Immediate performance gains for production and quality assurance
- increase measurement confidence by using weights matched to the application and scale resolution
- reduce downtime and troubleshooting time through systematic multi-point checks (lower, mid, upper range)
- protect process validity by choosing the correct accuracy class: E1, E2, F1, F2, M1, M2, M3
- limit handling-related error: use tweezers for small weights and clean gloves for larger items
- extend usable lifetime through disciplined storage in protective cases and regular control or recalibration
Why KERN & Sohn is the premium choice and how Metav supports you
KERN & Sohn brings a long heritage in precision weighing and measuring technology, offering extensive product ranges and services such as DAkkS-accredited calibration. Metav supplies these solutions with a practical focus: democratising precision by making traceable measuring tools available to workshops and specialist buyers across Europe. With over 48,000 customers, more than 250,000 products and a logistics and quality filter based in Emmerich, Metav combines specialist selection with dependable supply for industry and trade.
Technical data at a glance
- nominal values: 1 g, 100 g, 1 kg, 20 kg
- accuracy classes: E1, E2, F1, F2, M1, M2, M3
- typical applications: quality assurance; production; laboratory
- handling: tweezers for small weights; clean gloves for larger weights
- storage: protective case; dust-free environment
- check routine: lower, middle, upper range
- purpose: calibration (check & document); adjustment (set scale)
FAQ
What exactly are test weights?
Test weights are defined mass artefacts with fixed nominal values that are used to check, adjust or document scale performance within quality assurance and calibration workflows.
Which accuracy classes are available and when should I use them?
Accuracy classes range from E1/E2 for the highest demands, through F1/F2 for precise everyday applications, to M1–M3 for robust industrial or platform scales. Select the class that matches the required measurement uncertainty and the operating environment.
How often should I check my scale with test weights?
Frequency depends on the criticality of the process: critical operations often require daily or per-shift checks, while less critical applications may use weekly or monthly intervals; always check after location changes or suspect readings.
Why must test weights not be touched with bare hands?
Skin oils and moisture alter surface mass and can introduce measurable errors, especially for small nominal values. Use tweezers or clean gloves to maintain traceability and reliability.
What is the practical difference between calibration and adjustment when using test weights?
Calibration documents how far a scale deviates from the nominal value; adjustment actively corrects the scale to bring it back into tolerance. Both processes make use of test weights but serve different quality objectives.
Metav and KERN & Sohn provide the products, documentation and calibration pathways to integrate test weights into routine quality assurance — ensuring your measurements remain verifiable, repeatable and audit-ready.
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