50 g ASTM Class 1 Calibration Weight with Traceable CertificateFeaturesCan be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision analytical...
400 g ASTM Class 4 Electronic Balance Weight with Traceable Certificate, CylinderFeaturesCan be used for calibration of semi-analytical balances and for student use.Can be used to check or verify the...
70 g ASTM Class 4 Electronic Balance Weight with Traceable Certificate, CylinderFeaturesCan be used for calibration of semi-analytical balances and for student use.Can be used to check or verify the...