ASTM Class 5 avoirdupois calibration weight sets are used for testing non-classified scale equipment, field standards for Class III scales or balances and tolerance checking.
- Stainless steel weights designed to meet NIST Handbook 44 and ASTM E617-18
- Class 5 tolerances
- Sealing cavity for adjustment for most weights
- Serial numbers may be stamped on weights (option)
- Nominal value marked on weights