National Metrological Technical Specifications of the People's Republic of China
Latest
JJF 1253-2010
Scope
This specification is applicable to the calibration of gauges with gauges whose graduation value/resolution is 0.005 mm, 0.01 mm, 0.02 mm, 0.05 mm, 0.1 mm, and the measuring range is (5-100) mm.
JJF 1253-2010 history
2010JJF 1253-2010 Calibration Specification for Dial Snap Gauges
1970JJF 1253-1990 Technical specifications for the operation of international rubber hardness benchmarks