500 g Calibration Weight Knob Polished Stainless Steel OIML E1, 0.25 mg Tolerance - KERN

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 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

Benefit from the combination of stainless steel construction and silicone‑coated tips plus a 250 mm reach for secure handling of calibration weights from 500 g to 2 kg (classes E1–M3); order directly via Metav Werkzeuge or consult our specialists for advice. Precision Tweezers 315-245 — stainless steel with silicone‑coated tips by KERN A Precision Tweezer 315-245 designed for secure, non‑marking handling of small calibration weights in laboratories and workshops. Corrosion‑resistant stainless steel construction Silicone‑coated tips for gentle grip 250 mm length for extended reach For 500 g–2 kg weights, classes E1–M3 Precise handling that protects measurement integrity The long, slim design offers a controlled grip that reduces handling errors and the risk of contamination when working with calibration masses. The combination of a corrosion‑resistant stainless steel body and silicone‑coated tips provides a reliable, non‑abrasive contact surface, preserving surface finish and mass accuracy. Suitable for weights in the range 500 g–2 kg, these tweezers are particularly useful where repeatable, traceable results are required for quality assurance and calibration tasks. Materials and coating that reduce maintenance and marking Constructed from stainless steel, the instrument resists corrosion and is straightforward to clean, which helps maintain hygienic conditions and prolong tool lifetime. The silicone‑coated tips cushion the contact area to prevent scratches or dents on sensitive weight surfaces, lowering the likelihood of rework or rejection during audits. For teams seeking consistent handling with minimal impact on weight tolerances, this combination reduces the need for frequent component replacement and supports traceable measurement practice. Work‑flow benefits from extended reach and ergonomic design With a length of 250 mm, the tweezers enable safe handling of weights in hoppers, cabinets and balance pans without close manual contact, improving operator safety and efficiency. The extended reach and balanced form factor reduce awkward postures and make repetitive tasks less fatiguing, supporting continuous operation in production or calibration labs. By reducing the potential for handling‑related measurement deviations, these tweezers contribute directly to smoother procedures and reliable results. Contact Metav Werkzeuge in Emmerich for tailored advice on the KERN Precision Tweezers 315-245 and expert support with specifications and applications Technical data Article number: 315 SKU: 315-245 Manufacturer: KERN GTIN: 4045761003460 Facts Length: 250 mm Weight: 0.1 kg Suitable for weights: 500 g–2 kg Special features Stainless steel construction Silicone‑coated tips Secure gripping of small calibration weights Suitable for weight classes E1–M3 FAQ Are these tweezers suitable for precision calibration work? The KERN precision tweezers 315-245 are designed for calibration tasks and are suitable for handling weights from 500 g to 2 kg, including classes E1–M3. How do the silicone‑coated tips protect the weights? Silicone‑coated tips on the 315-245 provide a soft, non‑marking contact surface that prevents scratches and preserves the surface finish of calibration masses. Can the tweezers be cleaned without damaging the coating? Yes, the stainless steel body and silicone tips tolerate routine cleaning; use suitable, non‑abrasive cleaning agents to maintain tip integrity and corrosion resistance. What advantage does the 250 mm length provide? The 250 mm reach allows secure handling in balance pans and storage boxes without close manual contact, improving safety and reducing handling errors. Which weight accuracy classes are compatible with these tweezers? The tweezers are specified for use with weights in classes E1 to M3, covering high‑precision laboratory masses through standard workshop weights. Metav Werkzeuge | Emmerich am Rhein | info@metav-werkzeuge.com | +49 2822 7131930

Take advantage of a compact, durable plastic case that organises and protects single calibration weights while keeping storage simple and repeatable; the robust design supports precise handling of 500 g button/compact weights and integrates with class E2 calibration workflows. Order the case directly via Metav Werkzeuge or request advice from our consultants for specification matching and stock planning. KERN 317-090-400 Plastic Case for 500 g Single Weights — Compact, Protective Design A KERN 317-090-400 plastic case designed to store and protect single 500 g calibration weights, suitable for compact/button weight shapes and calibration class E2 applications Compact case for single 500 g weights Fits button / compact weight shape Durable plastic construction Designed for calibration class E2 Protects calibrated weights and preserves accuracy during storage The plastic case provides reliable protection for individual calibration weights, reducing the risk of surface damage and contamination that can affect mass accuracy. With a form tailored to 500 g button-style weights, the storage shell minimises movement and impact during handling or transport, which helps maintain calibration status and extends service intervals. The compact design supports organised storage on workbenches or in instrument cabinets while ensuring traceability for routine checks. Organised handling that speeds up calibration workflows By keeping each weight secure in a dedicated compartment, the case simplifies selection and return procedures during weighing and calibration tasks. This design lowers handling time for technicians and reduces the chance of mix-ups between different nominal masses, supporting faster throughput in quality control and workshop environments. The logistical benefit is tangible: quicker access and systematic storage translate into measurable time savings across repeated measurement routines. Robust construction for everyday workshop conditions Manufactured from durable plastic, the case resists typical workshop stresses such as knocks and light contamination, offering a cost-effective protective solution without compromising usability. The material choice balances durability with low weight, allowing units to be stacked or transported without adding significant load. The result is a practical accessory that preserves the condition of precision masses while remaining easy to integrate into existing test benches and calibration sets. Choose Metav Werkzeuge as the procurement partner for the KERN 317-090-400 case — contact Metav Werkzeuge in Emmerich for tailored supply options, availability checks and advice on integrating the case with existing calibration equipment (info@metav-werkzeuge.com • +49 2822 7131930 • WhatsApp +49 170 2837271) Technical data Article number: 317-090-400 SKU: 317-090-400 GTIN: 4045761081390 Manufacturer: KERN Facts Nominal value suitability: 500 g Calibration class: E2 Weight: 0.02 kg Tariff number: 84239090 Country of origin: DE Special features Material: Plastic Suitable for single weights (button / compact) Designed for calibration storage and protection Product group: Plastic cases for calibration weights FAQ What nominal weight is this case designed for? The case is designed for 500 g single weights and secures button/compact mass shapes to reduce movement during storage. Is the case suitable for standard calibration classes? Yes, the storage solution is designed for weights used in calibration class E2, providing appropriate protection for that accuracy level. Which manufacturer produced this case and what is the SKU? This item is from KERN, listed as SKU 317-090-400, and intended for organised storage of individual calibration masses. Can the case be stacked or transported without affecting the weights? The durable plastic construction permits stacking and light transport while protecting weights from scratches and contamination, preserving measurement reliability. Metav Werkzeuge, Emmerich am Rhein, Germany • info@metav-werkzeuge.com • +49 2822 7131930

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