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ASTM Class 4

ASTM Class 4 Calibration Weights for calibration checks of laboratory balances are stainless steel with a satin finish, supplied with protective plastic case and glove for handling. Models are available with NIST Traceable or NVLAP Certifications.

Calibration Weight Set ASTM Class 4, 1mg–100g
Models: OBA-416, OBA-416T, OBA-416W
Calibration Weight Set ASTM Class 4, 1g–100g
Models: OBA-417, OBA-417T, OBA-417W
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