OHAUS Weight, 30 mg, ASTM 4
30 mg ASTM Class 4 Calibration Weight without Certificate
- Can be used for calibration of semi-analytical balances and for student use.
- Can be used to check or verify the accuracy of your balance and/or scale between calibrations.
- Weight are designed so the specifications on surface finish, markings, construction, material density, and magnetic properties become more restrictive as the weight tolerances decrease.