Calibration Weights
Our weights range from 1 mg to several tons and can be supplied in accuracy classes E0 to M3, depending on the size.
Our weights are manufactured by HÄFNER. HÄFNER has strict quality requirements, and to ensure this they are certified according to EN ISO 9001:2008 by DQS.
The weights can be supplied with a calibration certificate. Häfner’s control and calibration laboratory, MASSCAL, is approved in accordance with EN ISO/IEC 17025 and is accredited by the German Accreditation Body (DAkkS) at the German national metrology institute PTB, which means that the certificates are recognized worldwide.
Our most sold products are in this accuracy classes:
F1 – Reference weights with high accuracy
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F2 – Reference weights with medium accuracy
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M2 – Control weights for inhouse calibration
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Download How to determine the necessery test weigths brochure
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