BC Group provides weight calibration of various types and designs of NIST Class F and ASTM Class 4, 6, and 7 Test Weights. Our weight calibration process uses a comparison method and automated calculations to establish mass value. We offer weight calibration in accordance to the most recent ASTM, and NIST Class F specifications, and can calibrate Class F Cast Iron grip handle, and slotted test weights from 0.1 lbs to 70lbs, and Class 6 weights from 10mg to 35kg.
All calibrations performed include As Found Data and are traceable to the National Institute of Standards and Technology (NIST) and performed in accordance to documented procedures. Our Quality Management System complies with the applicable requirements of ANSI/NCSL Z540.1, ISO 9001-2015, and ISO/IEC 17025-2017. All Test Weights are cleaned prior to testing and are placed in the Standards Lab to stabilize to temperature for minimum of 24 hours.