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Mettler Toledo Calibration Weights

Mettler Toledo Calibration Weights are precision-manufactured to support the calibration and verification of balances and scales. Available in all standard classes, these weights ensure traceability to national and international standards. Each weight undergoes strict quality control to maintain metrological accuracy. Mettler Toledo Calibration Weights

Ultra & Micro & Analytical

(0.0001 mg to 0.1 mg)

Milligram

(1 mg)

Precision

(0.01 g and 0.1 g)

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Mettler Toledo Calibration Weights: Precision Standards for Accurate Weighing

Mettler Toledo Calibration Weights

Mettler Toledo offers a comprehensive range of calibration weights designed to ensure the accuracy and reliability of your weighing instruments. Manufactured to the highest standards, these weights are essential for routine testing and calibration of balances and scales in laboratories, industrial settings, and metrology institutes.

Key Features of Mettler Toledo Calibration Weights

  • Wide Range: Available from 50 micrograms to 5 tons, covering all accuracy classes :contentReference[oaicite:4]{index=4}.
  • High-Quality Materials: Constructed from premium stainless steel or cast iron for durability and corrosion resistance :contentReference[oaicite:5]{index=5}.
  • Precision Manufacturing: Monobloc design ensures uniform density and stability :contentReference[oaicite:6]{index=6}.
  • Compliance: Adheres to OIML and ASTM standards, with options for ISO/IEC 17025 certified calibration certificates :contentReference[oaicite:7]{index=7}.
  • Protective Packaging: Supplied in robust, easy-to-clean containers to prevent contamination and damage :contentReference[oaicite:8]{index=8}.
  • Traceability: Each weight can be traced back to national and international standards, ensuring measurement integrity :contentReference[oaicite:9]{index=9}.
Using Mettler Toledo Calibration Weights in laboratory

Applications of Mettler Toledo Calibration Weights

These calibration weights are ideal for:

  • Laboratories: Routine testing and calibration of analytical and precision balances.
  • Industrial Settings: Ensuring accuracy of floor scales and heavy-duty weighing equipment.
  • Metrology Institutes: Establishing and maintaining national mass standards.
  • Pharmaceutical Industry: Compliance with stringent regulatory requirements for accurate measurements.

Model Selection Guide

Choose the appropriate calibration weights based on your specific requirements:

  • OIML E1 Class: For the highest precision requirements, such as calibrating microbalances.
  • OIML E2 Class: Suitable for analytical balances with 0.1 mg readability.
  • OIML F1/F2 Classes: Ideal for precision balances and general laboratory use.
  • OIML M1 Class: For industrial scales and less sensitive weighing instruments.
  • ASTM Classes 1–4: Compliant with ASTM standards for various calibration needs.

Mettler Toledo Calibration Weights FAQ

What is the difference between OIML and ASTM calibration weights?

OIML and ASTM are two different international standards for calibration weights. OIML classes range from E1 (highest precision) to M3 (lower precision), while ASTM classes range from Class 0 (highest precision) to Class 7 (lower precision). The choice depends on your specific application and regional requirements.

Do I need a calibration certificate with my weights?

If traceability and compliance with quality standards are important for your application, it's recommended to obtain calibration weights with an ISO/IEC 17025 certified calibration certificate. This ensures that the weights have been tested and verified against recognized standards.

How often should calibration weights be recalibrated?

The frequency of recalibration depends on factors such as usage, environmental conditions, and regulatory requirements. It's generally recommended to recalibrate weights annually or as specified by your quality management system.

Explore Mettler Toledo Calibration Weights Contact us at 800-832-0055 for expert assistance or browse our selection online


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