Class F Test Weights

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Laboratory, Commercial, and Industrial Calibration Accuracy from 1mg to 50kg

Class F weights are precision calibrating units typically employed to test scales that are utilized in a variety of settings, from laboratory and pharmaceutical environments to commercial and industrial spaces. With tolerances as low as 0.0001%, Class F test weights from METTLER TOLEDO are calibrated to meet specific accuracy standards set by organizations such as the National Institute of Standards and Technology (NIST) and the International Organization of Legal Metrology (OIML).

Advantages of METTLER TOLEDO's Class F Test Weights

Class F Weights for Balances

Our stainless steel class F test weights in the design of knob weights with and without adjusting cavities as well as wire or sheet weights in the milligram range are produced from the finest quality austenitic steel, which offers the highest resistance to corrosion over a weight’s lifetime.

Calibration Certificate

Monitoring the performance of your weighing equipment is typically required by standards like GMP or the internal quality assurance department. For example, if you work according to ISO 9001, documented metrological traceability is required and test weights with a certificate are necessary.

Protection and Durability

To protect the integrity of weights and ensure a long lifespan, weights are supplied in a robust and easy-to-clean plastic container. Protective materials, including foam inserts, make them a durable solution.

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How to Select the Correct Test Weight and Weight Class

The selection of test weights depends on the degree of accuracy needed to satisfy your specific process tolerance. Our free GWP® Recommendation service specifies the correct test weights and weight class to use to check the performance of your weighing device.

Weight Accessories

Choose from a comprehensive range of accessories or professional weight handles, including tweezers, weight forks, weight grips, gloves, and cleaning cloths, which all meet the highest industry requirements and assure professional weight handling.

Weight Calibration Service

Accredited calibration laboratories around the world clean, calibrate, and adjust weights and then document the results with a calibration certificate. With our global network of accredited mass calibration laboratories, you can be sure of trustworthy calibration services and benefit from short weight-recalibration times.

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Class F Test Weights

Laboratory, Commercial, and Industrial Calibration Accuracy from 1mg to 50kg