National Metrological Technical Specifications of the People's Republic of China
Latest
JJF 1255-2010
Scope
This specification is applicable to the calibration of various specifications of pointer and digital thickness gauges with graduation values/resolutions of 0.1 mm, 0.01 mm, 0.002 mm, and 0.001 mm, and measuring ranges of 0 mm-30 mm.
JJF 1255-2010 history
2010JJF 1255-2010 Calibration Specification for Thickness Gauges