500 g 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...
30 g 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...
200 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...
30 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...
3 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...