500 mg Calibration Weight Set, ASTM Class 2

Key Highlights Designed to meet ASTM E617-23 specifications. Stainless steel polished finish for durability and corrosion resistance. Nominal value marked on weights for easy identification. Serial numbers applied to case for traceability. Supplied in a precision-machined, polyvinyl crush-resistant case. This comprehensive 500 mg calibration weight set is manufactured to ASTM E617-23 specifications for ASTM Class 2 tolerances, providing a trusted reference standard for a variety of weighing applications. The set is constructed from high-quality stainless steel with a polished finish, ensuring long-term stability and resistance to environmental factors that could compromise mass integrity. Its primary function is to deliver reliable performance for routine calibration, tolerance testing, and verification checks of Class I and II balances, as well as ASTM Class 4, 5, and 6 weights. Ideal for both student laboratory use and professional rough weighing operations, this set serv