100 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...
300 g ASTM Class 1 Electronic Balance Weight without Certificate, CylinderFeaturesCan be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision...
80 g ASTM Class 1 Electronic Balance Weight without Certificate, CylinderFeaturesCan be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision...