500 mg Calibration Weight Set, ASTM Class 4

Key Highlights Designed to meet ASTM E617-23 specifications for Class 4 weights. Ideal for calibrating Class I and II balances and verifying Class 4, 5, and 6 weights. Supplied in a precision-machined, polyvinyl crush-resistant case for protection. Stainless steel construction with a polished finish for durability. Nominal values marked on the weights for clear identification. Custom set configurations are available as build-to-order items.   This 500 mg calibration weight set serves as a fundamental tool for maintaining weighing accuracy in a variety of settings. Manufactured from stainless steel with a polished finish, the weights offer excellent durability and corrosion resistance for long-term reliability. The set conforms to the tolerances and material requirements of ASTM E617-23 for Class 4, making it suitable for a wide range of routine metrology tasks. Primary applications include the calibration and routine verification of Class I and II laboratory balances, tol