500 g Test Weight Eco Form Polished Stainless Steel OIML F1, 2.5 mg Tolerance - KERN

Take advantage of a padded wooden case that combines secure storage, compatibility with 500 g single calibration weights and suitability for E1–F1 classes — ideal for organised metrology workflows and safe transport. Order the KERN 317-090-100 wooden case directly via Metav Werkzeuge or ask our consultants if needed. KERN 317-090-100 Wooden Case for Single Weights — padded, for 500 g, E1–F1 The KERN 317-090-100 is a padded wooden case designed to protect single calibration weights in laboratory and workshop metrology, offering compact, form-fitting storage for button and compact weight designs. Padded interior for secure storage Fits single 500 g weights (button/compact) Solid wooden construction for durability Protects calibration weights during storage and transport The case provides a padded interior that cushions delicate mass standards, reducing the risk of nicks or surface contamination that can affect calibration accuracy. Constructed from wood, the enclosure balances lightweight handling with a stable shell that shields the contents from shocks and everyday wear. For laboratories and calibration shops that handle single nominal weights, this accessory keeps weights organised and accessible while maintaining the conditions required for repeatable results. The compact layout suits bench storage and transit between test stations without compromising the integrity of each weight. Designed for metrology workflows and traceability Compatibility with 500 g nominal weights and acceptance for E1–F1 classes ensures the case supports industry-standard mass artefacts used in verification and routine checks. The internal layout accommodates button and compact forms commonly found in calibration sets, enabling technicians to store items in a manner that preserves their reference surfaces. By keeping standards in a dedicated, padded container, the risk of handling-induced deviation is reduced, which contributes to consistent measurement traceability and efficient workflow management in quality-controlled environments. Practical choice for workshops and calibration service providers Beyond protection, the wooden case simplifies inventory management and presentation of individual weights during audits or customer demonstrations. Its measured footprint and light overall mass make it simple to handle while the padded inserts prevent contact between pieces. The product supports prudent workshop practice by offering a reliable, purpose-built storage option compatible with KERN single-weight ranges and similar mass standards. Where robust, no-frills protection is required, this case offers a straightforward solution that integrates with existing calibration processes. For personalised purchasing advice and to arrange supply from our Emmerich warehouse, contact Metav Werkzeuge — trusted precision partners for workshop and industrial metrology. Technical Data Article number: 317-090-100 SKU: 317-090-100 GTIN: 4045761003699 Manufacturer: KERN Facts Weight: 0.34 kg Nominal value suitability: 500 g Accuracy class suitability: E1–F1 Tariff number: 84239090 Country of origin: DE Special features Material: Wood Padded interior Fits single weights (button/compact) Compatible with KERN 307, 316, 317, 326, 327, 329 variants FAQ What size and weight class does this case accommodate? The KERN 317-090-100 wooden case is designed for single weights with a nominal value of 500 g and is suitable for accuracy classes E1–F1. Can compact and button-style weights be stored together? Yes, the padded inserts in the wooden case accept both button and compact forms, allowing mixed storage of compatible single weights. Is the case suitable for transport between sites? The solid wooden shell and internal padding provide protection for handling and short transports; the KERN case is intended for safe movement within workshops and between nearby facilities. Does the case affect weight calibration or traceability? The case itself does not impact calibration values; by preventing surface damage and contamination, the KERN 317-090-100 supports the preservation of traceability for stored mass standards. Which KERN weight ranges are compatible with this case? The case is compatible with single weights from the KERN series including 307, 316, 317, 326, 327 and 329 family designs. Manufacturer: KERN — Address: not provided — Contact: not provided

Take advantage of compact, durable storage and clear class compatibility to protect calibration weights and streamline handling. Order the case directly via Metav Werkzeuge or ask our consultants if further technical information is required. KERN Plastic weight case – protective case for single calibration weights (button/compact design) KERN Plastic weight case is a protective storage solution designed for single calibration weights in workshops and calibration labs Durable plastic protective case Designed for button/compact single weights Suitable for classes F1–M3 Compact, lightweight storage solution Secure storage that preserves calibration integrity The plastic construction provides reliable protection against dust, scratches and incidental knocks, helping to maintain mass accuracy over time. The internal shape is optimised for single weights in a button or compact design, giving a snug fit that minimises movement during transport and handling. For calibration environments where repeatable results matter, this storage solution reduces the risk of contamination and mechanical wear, supporting consistent measurement performance. Compatibility that simplifies inventory and routine checks Designed specifically for single calibration weights, the case supports nominal 500 g weights and is rated for legal calibration classes F1–M3, making it suitable for a wide range of verification tasks in both workshops and small laboratories. The clear class compatibility streamlines inventory management and audit preparation, as stored weights remain grouped and identifiable by class. This compatibility reduces handling time during routine checks and helps maintain traceability in quality-controlled workflows. Lightweight handling for everyday workshop use Weighing just 0.02 kg, the case is intentionally lightweight while remaining robust enough for daily use. The compact footprint eases storage on workbenches and in transport boxes, while the resilient material stands up to frequent opening and closing. Technicians benefit from quicker handling and reduced manual strain, and the practical design supports organised toolrooms where space and efficiency are priorities. Secure precision storage with the KERN case—contact Metav Werkzeuge in Emmerich for tailored advice and reliable supply at info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 347-090-400 Manufacturer: KERN GTIN: 4045761008793 Country of origin: DE Facts Nominal weight: 500 g Accuracy classes: F1–M3 Weight: 0.02 kg Special features Material: Plastic Application: Case for single weights Design: Button / compact form FAQ What is the primary purpose of this case? The case is intended for secure storage and transport of single calibration weights; the KERN plastic weight case keeps individual weights protected and organised. Which weight sizes fit this case? This case is specified for nominal 500 g single weights and is designed to accommodate button/compact forms used in calibration routines. Is the case suitable for calibration classes F1–M3? Yes, the KERN plastic weight case is suitable for weights in accuracy classes F1–M3, supporting workshop and laboratory requirements. What material is the case made from and how durable is it? Made from robust plastic, the case offers durable protection against dust and mechanical wear while remaining lightweight for easy handling. How is the product identified for ordering or inventory? Use the article number 347-090-400 or GTIN 4045761008793 to identify the KERN plastic weight case for procurement and stock records. Metav Werkzeuge, Emmerich am Rhein, Germany — info@metav-werkzeuge.com — +49 2822 7131930

Combining a durable aluminium outer shell with a padded interior and compatibility for 500 g single calibration weights in classes E1–M3, this case provides reliable protection and organised storage for precision assets. Order the aluminium-protected case directly via Metav Werkzeuge or request consultancy if technical advice is required. KERN 317-090-600 — Aluminium-protected case for 500 g single weights (E1–M3), padded A KERN 317-090-600 aluminium-protected case engineered to safeguard single calibration weights in button/compact form during storage and transport. Aluminium outer shell for robust protection Padded interior for secure weight storage Compatible with 500 g E1–M3 single weights Keep calibration assets safe and inspection-ready The robust aluminium housing combines low weight with dependable protection, reducing the risk of mechanical shocks and environmental exposure that can affect measurement accuracy. The interior is padded, providing a secure seat for a single calibration element in the button/compact form, which helps maintain the certified condition of the weight and avoids abrasion during handling. This construction supports routine calibration workflows by preserving the reference weight’s condition, so quality assurance processes remain consistent and traceable. Streamlined handling and organised storage for the workshop A compact protective case simplifies storage and transport logistics, allowing calibrated weights to be carried between stations or to external inspections without additional packaging. At only 0.18 kg, the enclosure is lightweight yet sturdy, aiding technicians who move equipment frequently. The layout is optimised for single weights, facilitating quick identification and access while reducing handling time—an efficiency gain that contributes to fewer disruptions in measurement routines and faster turnaround for verification tasks. Designed for professional calibration environments Compatibility with classes E1–M3 makes this case suitable for a range of high-precision calibration standards, supporting both laboratory and in-plant requirements. Manufactured by KERN, the case meets the practical needs of metrology professionals who prioritise asset protection and traceability. Combined with Metav’s role as a quality filter and supplier from Emmerich, the product forms part of a supply chain designed to make high-precision measurement tools accessible and reliable for workshops and industry alike. For tailored advice on integrating the KERN 317-090-600 aluminium-protected case into existing calibration procedures, contact Metav Werkzeuge — email info@metav-werkzeuge.com or call +49 2822 7131930 for prompt assistance. Technical data Article number: 317-090-600 SKU: 317-090-600 GTIN: 4045761222700 Manufacturer: KERN eClass: 21100103 Tariff code: 84239090 Facts Nominal value compatibility: 500 g Classes: E1–M3 Weight: 0.18 kg Origin: CN Product group: Aluminium-protected cases Special features Material: Aluminium Interior: padded Suitable for: single weights (button/compact) Design: protective case for single calibration weights FAQ Is this case suitable for a 500 g calibration weight? The KERN 317-090-600 is specified for 500 g single weights and supports classes E1–M3, making it suitable for that nominal value. Which weight forms fit in the case? The case is intended for single weights in the button/compact form, providing a secure fit and padded protection for this type. Does the enclosure protect during transport? Yes, the aluminium outer shell combined with the padded interior offers robust protection to prevent damage in routine transport and storage. Can this case be used for other weight classes? The enclosure is specified for classes E1–M3; use outside these classes should be verified against the specific dimensions and fit of the weight. Who manufactures the case and where is it supplied from? The case is produced by KERN and is supplied via Metav Werkzeuge’s logistics from Emmerich. KERN — Origin: CN — Contact: not provided

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