3 g ASTM Class 4 Calibration Weight with NVLAP Accredited CertificateFeaturesCan be used for calibration of semi-analytical balances and for student use.Can be used to check or verify the accuracy of...
60 g ASTM Class 1 Electronic Balance Weight with NVLAP Accredited Certificate, CylinderFeaturesCan be used as a reference standard in calibrating other weights and is appropriate for calibrating...