
ASTM Precision Laboratory Avoirdupois Individual Weights
Applications:
- Calibrating Class I and II balances
- ASTM Class 4, 5 and 6 weights
- Student laboratory use
- Rough weighing operations
- Tolerance testing
- Verification checks

ASTM Class 5 Avoirdupois Calibration Weight Sets
Features:
- Stainless steel weights designed to meet NIST Handbook 44 and ASTM E617-18
- Class 5 tolerances
- Sealing cavity for adjustment for most weights
Applications:
- Field standards for Class III scales or balances
- Testing non-classified scale equipment
- Tolerance checking

Cast Iron Calibration Weights – Counterpoise and Hanger Weights
- Counterpoise weights for ratio weighing
- Nominal value marked on weight
- Weight capacities of 10 kg/20 lb and up meet NIST Handbook 105-1 and
- Handbook 44 specifications