5 kg Precision Test Weight Compact Polished Stainless Steel, OIML E2, 8 mg Tolerance - KERN

Preserve measurement integrity by using a lightweight leather/cotton glove pair that shields calibration weights from finger oils and moisture, extending their service life and reducing cleaning intervals; order directly via Metav Werkzeuge or consult our specialists for application advice. KERN 317-290 gloves — Leather/Cotton protection for calibration weights The KERN 317-290 gloves are designed to protect calibration weights from contamination and moisture during handling in workshops and laboratories Leather-lined cotton construction for gentle handling Protects weights from finger oils and moisture Suitable for calibration weights from 2 kg Lightweight design, compact storage Preserve calibration accuracy with gentle handling Handling mass standards without protection risks surface contamination that affects repeatability and traceability. The KERN 317-290 glove pair combines leather/cotton materials to provide a soft, low-abrasion contact surface that significantly reduces transfer of finger oils and deposits. This gentle barrier supports consistent readings by limiting the need for frequent cleaning, which in turn helps to maintain calibration schedules and reduces downtime for precision equipment. Streamline daily workflows in workshop and lab A reliable handling solution simplifies routine procedures: the gloves are optimised for daily handling of weights and are particularly suited to masses from 2 kg upward, where manual manipulation is common. Their lightweight construction allows extended wear without fatigue, improving operator comfort and process throughput. By preventing contaminant transfer, the gloves help to keep weighing stations operational and reduce the frequency of weight surface maintenance. Durable solution from a trusted precision partner Selecting accessories from established manufacturers contributes to consistent quality across the supply chain. These gloves are supplied by KERN and distributed via Metav Werkzeuge, whose service model acts as a quality filter for European workshops. The combination of robust materials and proven distribution practices supports long-term reliability and a steady supply of precision accessories for industry and trade. For protected handling of calibration weights, choose the KERN 317-290 leather/cotton gloves — contact Metav Werkzeuge in Emmerich for tailored advice at info@metav-werkzeuge.com or by phone on +49 2822 7131930 Technical data Article number: 317 SKU: 317-290 GTIN: 4045761134300 Manufacturer: KERN Facts Weight: 0.01 kg Suitable for calibration weights from 2 kg eClass: 40011201 Special features Material: leather/cotton Protects calibration weights from finger oils and moisture Contents: 1 pair Intended use: handling calibration weights in workshop or laboratory FAQ Are these gloves suitable for all calibration weight sizes? The gloves are intended for use with calibration weights from 2 kg and above; for smaller masses alternative handling tools may be recommended. How do the gloves protect the weights? The leather/cotton construction of the KERN 317-290 minimises direct skin contact and reduces transfer of oils and moisture that can alter weight surfaces. Can the gloves be cleaned or reused? The gloves are designed for repeated use; follow manufacturer care instructions to maintain material performance and surface cleanliness. Will using the gloves reduce the need to clean weights? Regular use of protective gloves lowers contamination rates and consequently reduces the frequency of weight cleaning and maintenance. Who supplies these gloves through Metav? The gloves are supplied by KERN and distributed via Metav Werkzeuge (SKU 317-290) as part of precision handling accessories. KERN — address and direct contact details not provided by the supplier

Combine secure, padded storage with a durable wooden shell to protect a single 5 kg calibration weight from shocks and contamination; benefit from compatibility with E1–F1 accuracy classes and order the wooden case directly via Metav Werkzeuge or consult our advisors for precise fit and delivery. Wooden case 317-130-100 — Padded storage for single 5 kg weights (KERN) A wooden case designed to house a single 5 kg calibration weight, suitable for accuracy classes E1–F1 and for button/compact weight designs. Padded interior for gentle weight protection Fits KERN single weights, models 307–329 Designed for 5 kg button/compact weights Solid wood case for workshop durability Protects calibration accuracy and reduces maintenance costs The padded interior and robust wooden shell provide reliable protection against knocks, dust and light impacts, which helps to maintain the calibration integrity of precision weights. By preventing surface damage and contamination, the case reduces the frequency of re-calibration and repair, delivering a clear cost-benefit in routine workshop operations. This protective solution is particularly relevant for weights used in metrology and quality assurance, where maintaining class E1–F1 specification is essential for traceable measurement results. Clear fit and practical handling for busy workshops Built to accept the common KERN single-weight formats, the case is compatible with KERN 307, 316, 317, 326, 327 and 329 models and accommodates the button/compact form factor. The internal padding secures the 5 kg nominal weight in place during transport, while the compact wooden design simplifies storage on-site or in transit between departments. These attributes improve workflow efficiency by offering immediate, safe accessibility to a single calibration weight when measurements are required, reducing handling time and the risk of accidental damage. Durable materials that signal care and professionalism Made from solid wood and finished to withstand workshop conditions, the case conveys a practical, professional image while delivering functional longevity. The construction preserves the weight’s surface and geometry, supporting consistent metrology performance. For laboratories and service providers that prioritise equipment longevity and traceability, this wooden case represents a straightforward measure to protect valuable calibration assets and to keep measurement standards stable over time. Contact Metav Werkzeuge for availability, stock verification and tailored advice regarding the wooden case 317-130-100 and compatible calibration weights Technical data Article number: 317-130-100 Manufacturer: KERN GTIN: 4045761003750 Origin country: DE Commodity code: 84239090 Facts Case weight: 0.57 kg Fits nominal weight: 5 kg Suitable accuracy classes: E1–F1 Special features Material: wood Interior: padded Compatible with KERN single weights 307, 316, 317, 326, 327, 329 Designed for button/compact weight form FAQ What weights fit this wooden case? The wooden case 317-130-100 is designed for a single 5 kg calibration weight and is compatible with KERN single-weight models 307, 316, 317, 326, 327 and 329. Is the case suitable for E1 class weights? Yes. The case accommodates weights for accuracy classes E1–F1, offering appropriate protection to help maintain class compliance. How does the padding benefit the weight? The padded interior minimises movement and absorbs minor shocks, protecting the weight’s surface and geometry and thereby supporting stable calibration results. Can the case be used for transport between sites? Yes. The compact wooden construction with internal padding is intended for safe short-distance transport and on-site storage of a single calibration weight. What material is the case made from? The case is made of wood with an internal padded compartment for gentle protection of the calibration weight. Metav Werkzeuge, Emmerich am Rhein, Germany — Email: info@metav-werkzeuge.com — Phone: +49 2822 7131930 — WhatsApp: +49 170 2837271

Take advantage of the durable plastic construction, the compact format for 5 kg E2 single weights and the case’s lightweight handling for consistent, protected storage; order the KERN 317-130-400 through Metav Werkzeuge or consult our advisors for specification support. KERN 317-130-400 Plastic weight case — for single 5 kg E2 calibration weights, button/compact format The KERN 317-130-400 is a purpose-made plastic case for secure storage and transport of single calibration weights in the 5 kg nominal value and E2 accuracy class, suitable for laboratories and workshop environments where organised weight handling is required. Plastic case for single calibration weights Designed for 5 kg weights, class E2 Fits button/compact weight designs Lightweight, corrosion-resistant construction Secure protection for precision weights and traceability The carrying solution is designed to safeguard E2 calibration weights by reducing exposure to dust, knocks and surface contamination. The robust plastic exterior provides shock-attenuating support while preserving the nominal value of the weight; this protection contributes directly to prolonged service intervals and fewer recalibrations, which supports efficient measurement workflows and cost control. The E2 classification refers to a high-precision tolerance band for reference weights, ensuring suitability for calibration and verification tasks where documented accuracy matters. Space-saving organisation that speeds up routine tasks With a compact footprint tailored to the button/compact weight form, the case enables tidy storage on workshop trolleys or laboratory shelves and simplifies quick selection during measuring routines. The low mass of the case (listed as 0.02 kg) minimises additional handling weight while maintaining stable retention of the single weight. Organisational gains translate into measurable time savings in repeated processes, supporting higher throughput without compromising metrological discipline. Practical material choice for everyday workshop use Constructed from industrial-grade plastic, the case resists corrosion and is easy to keep clean, reducing the risk of contaminants affecting sensitive surfaces. The material choice supports frequent handling and transport between workstations. Supplied within a quality-controlled network, this storage solution aligns with professional metrology requirements and complements a broader inventory of calibration accessories for systematic measurement routines, strengthening operational reliability. Contact Metav Werkzeuge in Emmerich for tailored advice or a quotation on the KERN 317-130-400 plastic weight case — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data SKU: 317-130-400 Article number: 317 GTIN: 4045761081420 Manufacturer: KERN Customs tariff number: 84239090 Facts Nominal value: 5 kg Class: E2 Weight: 0.02 kg Country of origin: Germany Special features Material: Plastic Suitable for: Single weights (button/compact) Product group: Plastic cases for calibration weights FAQ What nominal value and class is the case intended for? The case is intended for single calibration weights with a nominal value of 5 kg in E2 accuracy class and is specified as SKU 317-130-400 from KERN. Can the case be used for different weight designs? The KERN 317-130-400 is optimised for button/compact weight designs; compatibility with other formats should be verified against the weight geometry. Is the material suitable for workshop environments? Yes — the plastic construction is corrosion-resistant and easy to maintain, making the case suitable for regular workshop or laboratory use. Does Metav provide advice on selection and compatibility? Metav Werkzeuge offers technical guidance and can advise on suitability for specific calibration setups and workflows. Manufacturer: KERN, Germany — Address and direct contact not provided

Take advantage of a robust combination of aluminium protection, a padded interior and compatibility with precision weight classes to keep calibration weights safe and inspection-ready. Order the case directly via Metav Werkzeuge or consult our specialists for application advice. Aluminium-protected case for single calibration weights, padded and durable The Aluminium-protected case offers secure transport and storage for single calibration weights used in precision weighing applications. Padded interior for secure storage Aluminium protective shell Designed for single calibration weights Suitable for classes E1–M3 Protection that preserves calibration reliability A well-engineered storage solution reduces handling risks and preserves measurement integrity. The Aluminium-protected case combines a robust aluminium shell with a padded interior to absorb shocks and prevent surface damage to high-accuracy weights. For laboratories and workshops that rely on traceable mass values, this reduces the need for frequent recalibration by helping to maintain the condition of the weights. The result is fewer interruptions in quality checks and a more reliable calibration chain. Practical organisation for compact weights Internally, this case is arranged for organised stowage of single calibration weights in button or compact form. The layout supports quick visual checks and efficient handling during routine calibration tasks, which shortens preparation time and minimises handling errors. Clear separation of individual weights also prevents contact between items, maintaining each mass artefact’s surface finish and nominal value. Lightweight, durable material for everyday use Constructed from aluminium, the case strikes a balance between low weight and mechanical protection, making it suitable for regular transport between workstations or to external calibration services. The material resists corrosion and provides reliable shielding against dents and impacts without adding excessive bulk. For environments where tools and test equipment are frequently on the move, the aluminium construction delivers long service life with consistent protective performance. Built for standards and dependable workflows Designed for nominal 5 kg weights and compatible with accuracy classes E1–M3, the case supports a range of high-precision applications. Choosing a purpose-built storage solution reduces the probability of handling-related drift and helps maintain compliance with calibration protocols. The combination of protective structure and practical organisation supports efficient workflows in metrology, quality assurance and precision workshops. For secure storage and transport of KERN single calibration weights, contact Metav Werkzeuge in Emmerich for expert advice and reliable supply Technical data Article number: 317-130-600 SKU: 317-130-600 GTIN: 4045761222731 Manufacturer: KERN Material: Aluminium Suitable for nominal weight: 5 kg Suitable for classes: E1–M3 Padded interior: yes Core specifications Case weight: 1.1 kg Tariff number: 84239090 ECLASS: 21100103 Special features Padded interior Aluminium-protected shell For single weights (button/compact) Origin: CN FAQ Is this case suitable for 5 kg E1 calibration weights? Yes. The Aluminium-protected case is specified for nominal 5 kg weights and is compatible with accuracy classes E1–M3, making it suitable for high-precision applications. How does the padding protect high-accuracy weights? The padded interior prevents direct contact and cushions shocks, which helps to preserve the surface and mass values of weights stored in the Aluminium-protected case. Can the case be used for transport between sites? Yes. The aluminium shell and padded interior provide protection for transport; the case is designed for everyday movement of calibration weights without excessive weight penalty. Which weight forms fit inside the case? The internal layout is arranged for single calibration weights in button or compact form, ensuring organised storage and easy access. Who manufactures this case and what is the SKU? The case is manufactured by KERN, SKU 317-130-600, and is intended for secure handling of precision calibration weights. Manufacturer: KERN; Distributor: Metav Werkzeuge, Emmerich am Rhein; Email: info@metav-werkzeuge.com; Phone: +49 2822 7131930