500 mg Calibration Weight Set, ASTM Class 3

Key Highlights Designed to meet ASTM E617-23 specifications for Class 3 weights. Stainless steel construction with a polished finish. Nominal value marked on weights for clear identification. Ideal for calibrating Class I and II balances and tolerance testing. Perfect for student laboratory use and verification checks. Supplied in a precision-machined, polyvinyl crush-resistant case. Custom set configurations are available as build-to-order.   The Rice Lake 500 mg ASTM Class 3 Calibration Weight Set is a fundamental tool for maintaining measurement integrity in environments where high precision is required for routine operations. Manufactured from durable stainless steel with a polished finish and a density of 7.95 g/cm³, this set is built for lasting stability and frequent handling. It serves as a cost-effective standard for essential quality control procedures, including the calibration of Class I and II laboratory balances, verification checks, and tolerance testing.