Stainless steel calibration weights are used for testing and certifying NTEP class designated scales and balances.
made in accordance with ASTM E 617-13
Test weights are used to calibrate Class I and II balances ASTM Class 4, 5, 6
Testing and certifying for Class III scales and balances ASTM Class 6 & 7
(previously sold as for NIST Class F)
Tolerance Testing
Verification Checks