Ohaus 30391320 Weight, 1 kg, ASTM 4, NVLAP Certificate

1 kg ASTM Class 4 Calibration Weight with NVLAP Accredited Certificate

Features

• 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.