10 g Compact Test Weight OIML Class E2 Polished Stainless Steel, 0.06 mg Tolerance - KERN

Take advantage of a lightweight, polyamide handling tool that ensures a secure grip on small calibration weights up to 200 g; its 100 mm length combines fine control with easy handling for routine calibration tasks. Order directly via Metav Werkzeuge or consult our specialists for matching accessories and delivery from Emmerich. KERN 315-242 Tweezer (Polyamide, 100 mm) KERN 315-242 is a precision plastic tweezer for secure handling of small calibration weights in laboratories and workshops Secure grip for small calibration weights Suitable for weights E1–M3, 1 mg–200 g 100 mm length for precise handling Polyamide construction, lightweight 10 g Precision handling reduces contamination and measurement error The compact design provides a controlled hold when placing and removing calibration masses, helping to preserve the integrity of sensitive components. Made from polyamide, the instrument is gentle on metallic and plated surfaces and reduces risk of scratching or marking. The compatibility with 1 mg–200 g weights across E1–M3 classes means the tool supports a wide range of calibration workflows, supplying consistent handling where repeatability matters. Built for routine use, the tweezer contributes to faster setup times and fewer handling-related deviations. Comfortable length and light weight for repetitive tasks At 100 mm, the geometry balances reach and tactile feedback to enable precise positioning without overextension of the hand. The construction results in a lightweight tool — approximately 10 g — that decreases operator fatigue during repeated handling. The slim tips facilitate access to small masses and narrow pans, while the overall form factor supports careful handling during calibration runs. Clear, repeatable manipulation of weights improves throughput and aids adherence to internal quality procedures. Durable, easy-care design for laboratory and workshop environments The choice of high-quality plastic provides a durable and easy to clean solution suitable for environments where metal tweezers could risk scratching or produce magnetic influence. Maintenance is straightforward: wipe clean and store in a dry place to maintain tip alignment and performance. The tool's simple construction minimises service requirements and offers a dependable adjunct to balances, scales and precision measuring equipment in both calibration laboratories and industrial workshops. Contact Metav Werkzeuge today for tailored advice and supply of the KERN 315-242 tweezer; our Emmerich-based team can confirm suitability for specific calibration setups and arrange prompt delivery via the central European warehouse (info@metav-werkzeuge.com | +49 2822 7131930 | WhatsApp +49 170 2837271) Technical data Article number: 315 SKU: 315-242 Manufacturer: KERN GTIN: 4045761003439 Material: Polyamide (plastic) Facts Length: 100 mm Weight: 0.01 kg Suitable weight range: 1 mg–200 g Special features Secure grip for small calibration weights Suitable for weight classes E1–M3 Lightweight construction for reduced operator fatigue Simple cleaning and low maintenance FAQ What weight range is compatible with these tweezers? The KERN 315-242 tweezer is suitable for handling calibration weights from 1 mg up to 200 g. Which weight classes can be handled safely with this tool? This tweezer supports weights across classes E1 to M3, making it appropriate for a broad range of calibration tasks. Is the material safe for delicate or plated masses? Yes, the polyamide construction of the KERN 315-242 is designed to be gentle on delicate and plated surfaces, helping to avoid scratches. How should the tweezer be maintained to ensure longevity? Routine care for the KERN 315-242 involves simple cleaning with a soft cloth and storage in a dry place to preserve tip alignment and performance. Can this tool be used in both laboratory and workshop environments? The lightweight, easy-care design of the KERN 315-242 makes it suitable for calibration benches in laboratories as well as workshop settings where precise handling is required. Metav Werkzeuge, Emmerich am Rhein, Germany — Email: info@metav-werkzeuge.com — Tel: +49 2822 7131930 — WhatsApp: +49 170 2837271

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

Combining a padded wooden interior, a precise fit for 10 g E1–F1 single weights and a lightweight, compact design, this case protects calibration standards while simplifying storage and transport; order the KERN 317-040-100 wooden case directly via Metav Werkzeuge or ask our consultants for tailored advice. KERN 317-040-100 — Wooden case for single calibration weights, padded, 10 g (E1–F1) The KERN 317-040-100 is a wooden etui designed to store and protect single calibration weights in workshop and laboratory environments, suited to button/compact formats. Padded wooden case for single calibration weights Fits 10 g button/compact nominal weights Compatible with KERN 307, 316, 317, 326, 327, 329 Durable natural wood construction Secure storage that preserves calibration integrity A compact, padded interior ensures individual standards remain free from dust, knocks and handling wear, which helps maintain their precision over time. The tailored cavity for a single 10 g nominal weight minimises movement during transport and reduces the risk of abrasion or contamination. By protecting the weight’s surface and edges, the case supports repeatable measurement results and extends the service life of high-class artefacts classified E1–F1. Clear compatibility and space-saving organisation for busy benches The etui’s compact design streamlines storage in instrument cabinets or inspection trolleys while keeping the single weight immediately identifiable and accessible for verification procedures. Compatibility with a range of KERN single-weight models is specified for reliable fitment: the case accepts models 307, 316, 317, 326, 327 and 329. At a mass of 0.13 kg, the case adds negligible load for mobile calibrations and makes handling during routine checks straightforward and efficient. Natural materials meeting workshop demands with a professional finish Constructed from solid wood, the case combines tactile quality with functional protection; the material choice offers a stable housing that resists minor impacts and provides insulating separation from metal tool trays. The product’s origin is made in Germany, reflecting manufacturing standards appropriate for metrological accessories. A padded lining delivers an immediate benefit to traceability workflows by protecting the calibrated surface and supporting consistent measurement practice. For reliable storage of high-class single weights, secure the KERN wooden case through Metav Werkzeuge or contact our specialists at info@metav-werkzeuge.com or +49 2822 7131930 for precise application advice. Technical data Article number: 317 SKU: 317-040-100 GTIN: 4045761003590 Manufacturer: KERN Facts Weight: 0.13 kg Material: Wood Origin: DE Commodity code: 84239090 Special features Padded interior For nominal value: 10 g For classes: E1–F1 Fits models: KERN 307, 316, 317, 326, 327, 329 FAQ What size and weight class is this case intended for? The KERN 317-040-100 wooden case is designed specifically for a single 10 g nominal calibration weight classified for use in classes E1–F1. Which weight models fit the etui? This wooden etui fits the listed KERN single-weight models 307, 316, 317, 326, 327 and 329, ensuring a secure hold for button/compact designs. How does the case protect the calibration weight? Protection is provided by a padded interior and a tailored cavity that prevents movement, reducing abrasion and contamination and helping to preserve the weight’s calibration condition. Is the material suitable for workshop environments? The case is made from wood, offering a durable housing with a professional finish and insulating properties suitable for instrument benches and transport. What is the product’s mass for transport planning? The empty case weighs 0.13 kg, adding minimal load when included in mobile calibration kits or inspection trolleys. KERN, Germany — Contact: not provided

Take advantage of the robust protection and tailored organisation that extend the service life of precision weights; the lightweight aluminium protection and padded interior reduce risk during transport and storage. Order the case directly via Metav Werkzeuge or consult our specialists for application advice. KERN 317-040-600 — Aluminium-protected case for single calibration weights (10 g, E1–M3) the aluminium-protected case provides secure, compact storage for single calibration weights in button/compact form, designed for laboratory and workshop environments where safe handling and traceability matter Aluminium-protected casing for robust storage Padded interior for secure weight protection Designed for single weights, button/compact form Suitable for calibration classes E1–M3 Durable shell for dependable protection The solid aluminium construction offers a lightweight yet rigid barrier against knocks, compression and environmental wear, which helps to preserve the accuracy of stored weights. By reducing mechanical stress during handling and transport, the casing supports longer intervals between recalibrations and lowers the risk of surface damage that can affect measurement uncertainty. The robust housing is especially valuable where frequent movement or shared storage increases the chance of accidental impact, contributing directly to operational reliability. Tailored interior for safe organisation and handling A padded interior with fitted compartments secures individual button or compact-format weights and prevents contact between items. This cushioning minimises micro-abrasion and surface wear while maintaining quick visual access and organised storage. For technicians and calibration staff, the combination of firm external protection and soft internal support reduces handling time and potential errors during weighing procedures, enabling more efficient workflows in both the workshop and the calibration laboratory. Calibration-ready storage that preserves traceability Prepared for nominal 10 g weights and compatible with calibration classes E1–M3, the case supports storage routines for a wide range of precision requirements. Class designations indicate permissible tolerances and intended use: E1 for highest-precision reference weights, down to M3 for general verification tasks. Keeping weights in a purpose-built case helps maintain declared tolerances by shielding them from contaminants and deformation, thereby protecting measurement confidence across successive uses and audits. Choose the KERN aluminium-protected case for reliable preservation of precision weights — contact Metav Werkzeuge in Emmerich for tailored advice via info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 317-040-600 GTIN: 4045761222656 Manufacturer: KERN Country of origin: CN Customs tariff number: 84239090 Core specifications Net weight: 0.18 kg Nominal weight compatibility: 10 g Calibration classes: E1–M3 Product category: Prüfgewichte (calibration weights) accessories Designs and special features Material: aluminium Interior: padded Suitable for: single weights, button/compact form Protected storage for precision calibration weights FAQ What nominal weight sizes fit this case? The case is specified for 10 g single-format weights and is designed to accommodate button/compact styles commonly used at that nominal value. Which calibration classes are compatible with the case? Storage is suitable for weights across calibration classes E1–M3, supporting both high-precision reference pieces and general verification weights. How does the aluminium casing benefit weight longevity? Aluminium offers a rigid, lightweight shell that reduces impact and compression risks; combined with the padded interior, it helps to prevent surface damage that can alter measurement accuracy. Is the interior suitable for rapid handling during calibration work? Yes; the fitted, padded compartments provide organised access and secure retention, which streamlines handling and reduces the likelihood of contact-related wear. Who manufactures this case and what is the SKU? The case is produced by KERN and sold under SKU 317-040-600, intended as a protective accessory for single calibration weights. KERN — country of origin: CN — no manufacturer contact provided

Protect calibration single weights reliably with a lightweight plastic case designed for 10 g E1/E2 weights; the compact button-style construction keeps weights secure during storage and transport. Benefit from robust plastic material and a minimal 0.02 kg mass for easy handling. Order the KERN case directly via Metav Werkzeuge or consult our specialists if further guidance is required. KERN Plastic Case for Calibration Weights 317-040-400 — compact design for 10 g E1/E2 single weights A Plastic case for single weights that provides secure storage and safe transport for 10 g calibration weights used in class E1 and E2 applications. Compact design for single weights Suitable for class E1 and E2 weights Lightweight, approx. 0.02 kg case Button/compact format for easy stacking Protects weights and reduces handling risk The compact construction offers secure storage and minimises the chance of contamination or mechanical damage to delicate calibration weights. By housing single weights in a tailored button/compact recess, the holder prevents surface contact and abrasion that would otherwise affect calibration integrity. The plastic material balances low mass with sufficient rigidity, enabling safer manual handling and straightforward transport between workbench and storage without adding significant load to shipping or measurement workflows. Conserves accuracy with class-compatible organisation Organised storage supports traceable measurement procedures; the case is specified for 10 g nominal values and compatibility with E1/E2 classes, which makes it suitable for high-precision laboratory and industrial environments. Using a purpose-built container reduces the need for repeated handling and helps preserve the calibration condition of weights that are frequently checked. The compact format also simplifies inventory management by making each weight immediately recognisable and accessible in calibration schedules. Practical convenience for workshop and laboratory use Weighing only about 0.02 kg, this case is easy to position within instrument cabinets or field kits, contributing to an efficient workflow and reduced setup time during routine checks. The design supports neat stacking and space-saving storage while maintaining quick visual identification of the contained nominal value. The result is a tangible gain in operational efficiency: less time spent preparing weights, and more consistent results from measurement chains that depend on protected reference masses. Contact Metav Werkzeuge in Emmerich for product availability and tailored guidance on the KERN 317-040-400 plastic case; our specialists can advise on storage solutions and place orders directly via info@metav-werkzeuge.com or +49 2822 7131930 Technical data Article number: 317-040-400 SKU: 317-040-400 GTIN: 4045761081345 Manufacturer: KERN Country of origin: DE Facts Weight of case: 0.02 kg Nominal weight compatibility: 10 g Tariff number: 84239090 Special features Material: Plastic Suitable for: single weights (button/compact) Compatible classes: E1, E2 FAQ Is the case suitable for 10 g calibration weights? Yes. The KERN plastic case 317-040-400 is specified for single weights with a nominal value of 10 g and provides tailored recesses for safe storage. Can this case be used for both E1 and E2 class weights? Yes. The design is compatible with weights used in class E1 and E2, supporting high-precision applications that require careful handling. What is the weight of the empty case? The empty case weighs approximately 0.02 kg, making it easy to handle and convenient for transport between laboratory and workshop. Does the case protect against contamination and mechanical damage? The compact, button-style recesses and rigid plastic body reduce direct contact and abrasion, helping to preserve the condition and measurement reliability of calibration weights. KERN — Germany; contact details not provided.