UltraClass The weight tolerance is equal to ANSI/ASTM E617 Class 0 and exceeds OIML R 111 Class E2. This class is used as a reference standard for calibrating other reference standards and weights and is appropriate for calibrating high-precision analytical balances with a readability as low as…

Class 4 For calibration of semi-analytical balances and for student use. Traceable Certificate The Traceable Certificate is designed for those laboratories and companies that require traceability but do not need to meet any stringent regulatory requirements. The Traceable Weight…

UltraClass The weight tolerance is equal to ANSI/ASTM E617 Class 0 and exceeds OIML R 111 Class E2. This class is used as a reference standard for calibrating other reference standards and weights and is appropriate for calibrating high-precision analytical balances with a readability as low as…