500g Stainless Steel ASTM Class 1 Calibration Weight, Adam Equipment, Mfr#: ASTM 1 - 500G

The ASTM weights are individual stainless steel weights that can be used to test and calibrate Adam balances. ASTM 0 weights offer the highest accuracy ideal for both Analytical and Precision balances, followed by ASTM 1, 2 and 3 weights which are suitable for Precision balances. Each weight comes in its own hard case to help protect it for years of use.