M1 Calibration Weight Set 1g - 500gCalibration weight sets provide you with all the weights you need to perform calibration checks on your weighing scales or lab balances. M1 calibration weights are used to test the accuracy of standard weighing scales and precision balances, ensuring they provide correct readings for commercial, industrial, lab and education purposes. These M1 test weights, by Adam Equipment, are manufactured to meet the M1 tolerance requirements set by the
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