ASTM Class 1

ASTM Class 1 Calibration Weights for calibration checks of laboratory balances are polished stainless steel and supplied with protective plastic case and glove for handling. 10kg and 20kg weights feature built-in recessed grip for easier handling. Sets of calibration weights are available in 1mg to 100g and 1g to 100g ranges. Models are available with NIST Traceable or NVLAP Certifications.

Calibration Weight Set, ASTM Class 1, 1mg to 100g
Models: OBA-316, OBA-316T, OBA-316W
Calibration Weight Set ASTM Class 1, 1g–100g
Models: OBA-317, OBA-317T, OBA-317W
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