ASTM Class 1 Weight Sets - 500mg to 1mg - 80781021

ASTM Class 1 Weight Sets can be used as a reference standard in calibrating other weights and are appropriate for calibrating high precision analytical balances with a readability as low as 0.1mg to 0.01mg. ASTM Class 1 weights and weight sets are available in a full range of weight denominations. Sets presented here come with a Statement of Accuracy. Weight sets can also be supplied with a NIST/NVLAP Calibration Certificate or a Traceable Certificate, upon request. These Mass sets are supplied in a polypropylene case with forceps.