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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, ASTM Class 1, 10g
Models: OBA-301, OBA-301T, OBA-301W
Calibration Weight, ASTM Class 1, 20g
Models: OBA-302, OBA-302T, OBA-302W
Calibration Weight, ASTM Class 1, 30g
Models: OBA-303, OBA-303T, OBA-303W
Calibration Weight, ASTM Class 1, 50g
Models: OBA-304, OBA-304T, OBA-304W
Calibration Weight, ASTM Class 1, 100g
Models: OBA-305, OBA-305T, OBA-305W
Calibration Weight, ASTM Class 1, 200g
Models: OBA-306, OBA-306T, OBA-306W
Calibration Weight, ASTM Class 1, 300g
Models: OBA-307, OBA-307T, OBA-307W
Calibration Weight, ASTM Class 1, 400g
Models: OBA-308, OBA-308T, OBA-308W
Calibration Weight, ASTM Class 1, 500g
Models: OBA-309, OBA-309T, OBA-309W
Calibration Weight, ASTM Class 1, 1000g
Models: OBA-310, OBA-310T, OBA-310W
Calibration Weight, ASTM Class 1, 2000g
Models: OBA-311, OBA-311T, OBA-311W
Calibration Weight, ASTM Class 1, 3000g
Models: OBA-312, OBA-312T, OBA-312W
Calibration Weight, ASTM Class 1, 4000g
Models: OBA-313, OBA-313T, OBA-313W
Calibration Weight, ASTM Class 1, 10kg
Models: OBA-314, OBA-314T, OBA-314W
Calibration Weight, ASTM Class 1, 20kg
Models: OBA-315, OBA-315T, OBA-315W
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