Description:
Ohaus-Troemner 80781023 ASTM Class 1 Weight Set, 50gm-1mg, No Certificate. 20 total pieces. Use Class 1 weights as a primary reference to calibrate other mass standards and use for traceability between national mass standards and ASTM Class 2 weights and lower. Class 1 is appropriate for calibrating high-precision balances with readability as low as 0.1mg.
