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M1 Weights OIML class M1 weights are weights of cast iron or brass that are used for testing Class III machines. At 1 kg the error allowance for an M1 weight is ±50 mg and the uncertainty of calibration is ±10 mg .All calibrations are traceable to National Standards and details of this traceability are included in the certificate. |
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Cleaning, painting and numbering of weights can
be provided at additional charge. |
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