This standard specifies the technical requirements, measurement characteristics, calibration conditions, calibration items and methods, calibration result processing and recalibration time intervals of drilling fluid medium pressure filter loss testers. This standard is applicable to the calibration of drilling fluid medium-pressure filter loss testers with a working pressure of 0.69MPa in single or multiple units that are newly manufactured, in use and after repair.
SY/T 6865-2012 history
2021SY/T 6865-2021 Calibration method of drilling fluid filtration loss tester
2012SY/T 6865-2012 Calibration method of mid-pressure drilling fluid filter press