This standard specifies the technical requirements, metrological characteristics, calibration conditions, calibration items and methods, calibration result processing and recalibration time intervals of mud cake friction coefficient testers. This standard applies to the calibration of mud cake friction coefficient testers that are newly manufactured, in use and after repair.
SY/T 6863-2012 history
2012SY/T 6863-2012 Calibration method of mudcake coefficient device