1 kg ASTM Class 1 Calibration Weight with NVLAP Accredited CertificateFeaturesCan be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision...
16 kg ASTM Class 4 Electronic Balance Weight with NVLAP Accredited Certificate with Recessed GripFeaturesCan be used for calibration of semi-analytical balances and for student use.Can be used to...