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1 mg-500 mg Calibration Weight Set, F1 Class Polished Stainless Steel Plates, Aluminium Case - KERN

Product information "1 mg-500 mg Calibration Weight Set, F1 Class Polished Stainless Steel Plates, Aluminium Case - KERN"

Take advantage of precise microbalance calibration with a compact milligram set that combines OIML Class F1 traceability and corrosion-resistant polished stainless steel construction; order directly via Metav Werkzeuge or consult our specialists for application-specific advice.

KERN 328-226 weight set (OIML Class F1, 1 mg–500 mg)

The KERN 328-226 is a milligram weight set designed for calibration of precision balances and quality-control measurements in laboratories and production settings.

  • OIML Class F1 accuracy for traceable calibration
  • Milligram range 1 mg–500 mg for microbalances
  • Polished stainless steel for corrosion resistance
  • Aluminium case for secure, organised storage

Reliable traceability for exact calibration results

Certified as OIML Class F1, this milligram set delivers the repeatability and low uncertainty required for calibration tasks in laboratories and production control. The nominal range 1 mg–500 mg covers the typical span for microbalances and ultra-precision balances, enabling straightforward verification of linearity and sensitivity. Using Class F1 reference weights reduces uncertainty contributions during routine checks and statutory calibrations, which supports consistent measurement results and regulatory compliance. The set’s configuration of individual disc-style weights allows systematic substitution and stepwise verification of balance performance, simplifying documentation and audit trails.

Robust materials and ergonomic handling to protect results

Manufactured from polished stainless steel, each weight resists surface corrosion and is less likely to accumulate contamination that would alter mass values over time. The button form design permits safe gripping with tweezers or forceps, reducing handling errors and the need for frequent cleaning. Smooth, mirror-polished surfaces minimise adsorption of oils and particulates, supporting long-term stability. Where high-frequency handling is required, the mechanical resilience of the material helps preserve calibration integrity, lowering the frequency of recalibration and conserving laboratory resources.

Organised storage and reliable transport for daily use

The set is supplied in an aluminium case that secures each weight in its own compartment, providing physical protection and clear organisation for quick identification. Compact storage reduces the risk of accidental knocks and maintains calibration quality during transport between workstations or to external laboratories. With a total set mass of 0.39 kg, the kit is lightweight yet robust, simplifying inventory management on the bench. Supplied by a precision partner with established logistics in Europe, the set arrives ready for immediate use and integrates easily into existing calibration routines, helping to streamline workflow and reduce downtime.

Contact Metav Werkzeuge in Emmerich for tailored advice on integrating KERN calibration weights into your quality processes — eMail: info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

  • Article number: 328-226
  • SKU: 328-226
  • Manufacturer: KERN
  • GTIN: 4045761224407

Numbers / Core technical data

  • Nominal range: 1 mg–500 mg
  • Total weight (set): 0.39 kg
  • Commodity code: 84239090
  • OIML class: F1

Special features

  • Material: polished stainless steel
  • Form: button form (disc-style weights)
  • Case material: aluminium
  • Origin: CN
  • eClass: 32120103

FAQ

What accuracy class does this weight set comply with?
The KERN 328-226 weight set complies with OIML Class F1, making it suitable for traceable calibrations of precision balances.

Is the set suitable for microbalance calibration?
Yes, the milligram range 1 mg–500 mg in this set supports checks and adjustments on microbalances and high-resolution laboratory scales.

How are the weights protected during storage and transport?
Weights are supplied in an aluminium case with individual compartments to prevent contact, minimise damage and keep the set organised for daily use.

What material are the weights made from and why does it matter?
The weights are made from polished stainless steel, chosen for corrosion resistance and minimal contamination, which preserves mass stability over time.

Can this set be used for routine internal quality control?
The KERN 328-226 set is designed for routine calibration and verification tasks in laboratories and production quality-control environments, supporting consistent measurement performance.


Manufacturer: KERN — Origin: CN — GTIN: 4045761224407

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136mm Straight Tweezers With Plastic Tips, For Weights ≤5g Classes E1–M3 - KERN

Accurate handling of small calibration masses is achieved through the combination of stainless-steel construction, high-quality plastic tips and a practical 136 mm length; order the KERN 315-247 tweezers directly via Metav Werkzeuge or consult our product specialists for application advice. KERN 315-247 — Calibration tweezers with straight plastic tips A KERN 315-247 tweezers designed for secure, non-marking handling of small calibration weights in metrology and workshop environments. Straight stainless-steel tips for secure grip High-quality plastic tips to protect weights 136 mm length for precise, ergonomic handling Secure handling for exact calibration results For precision tasks, secure handling is essential. The instrument offers a controlled grip on calibration masses up to ≤ 5 g, compatible with classes E1–M3, which helps reduce handling errors and improves repeatability in weighing procedures. Constructed to meet the demands of metrology, the tool supports consistent measurement routines and minimises the risk of surface contact that could alter a weight’s value. By using a purpose-made tweezer rather than fingers, the chance of contamination and thermal transfer is lowered, contributing to more reliable results in daily quality checks. Durable build with gentle contact to sensitive masses A corrosion-resistant body delivers long service life while the high-quality plastic tips preserve delicate surfaces. The combination of stainless steel strength and soft tip protection ensures that fine calibration weights are neither scratched nor displaced during handling. The straight tip geometry provides direct visual control when picking up minute masses, and the construction requires minimal maintenance. This balance of durability and gentle contact supports both routine laboratory work and demanding workshop environments where component care matters. Practical design to streamline laboratory and workshop workflows Measuring 136 mm in length and weighing about 0.02 kg, the tweezers are optimised for comfortable, precise handling throughout repetitive tasks. The tool’s length offers ergonomic reach without compromising manoeuvrability at the balance pan, enabling steady placement and removal of weights during calibration cycles. Designed for integration into existing metrology workflows, the device supports standard operating procedures and helps technicians maintain efficient throughput while preserving measurement integrity. For further clarification on application limits or compatibility with specific test procedures, Metav’s consultants can advise on best practice. For supply and technical guidance on the KERN 315-247 tweezers, contact Metav Werkzeuge in Emmerich — email info@metav-werkzeuge.com or phone +49 2822 7131930 Technical data SKU: 315-247 Manufacturer: KERN GTIN: 4045761222922 Specifications Length: 136 mm Weight: 0.02 kg Suitable for weights: ≤ 5 g (classes E1–M3) Features Material: stainless steel with high-quality plastic tips Tip design: straight tips FAQ Which calibration weight classes can be handled with these tweezers? The tweezers are suitable for calibration masses up to ≤ 5 g and compatible with classes E1–M3, making them appropriate for fine-weight handling in precision weighing tasks. Are the plastic tips safe for delicate weight surfaces? Yes, the high-quality plastic tips are designed to protect sensitive surfaces and reduce the risk of scratching or marking during handling of calibration weights. What are the dimensions and mass of the tweezers? The tweezers measure 136 mm in length and have an approximate mass of 0.02 kg, providing a balance of reach and lightness for repeated use. Is this tool suitable for routine laboratory workflows? The design supports routine metrology and workshop workflows by offering ergonomic handling, controlled grip and surface protection, which together help maintain measurement consistency. Who supplies the product and where can further technical advice be obtained? The product is supplied by KERN (SKU 315-247); for application-specific advice and supply options, Metav Werkzeuge can provide consultancy and ordering information. KERN

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