National Metrological Technical Specifications of the People's Republic of China
Latest
JJF 1472-2014
Scope
This specification applies to devices that have the function of outputting DC voltage, DC current, DC resistance, frequency, thermocouple analog signals, and thermal resistance analog signals, and that have the ability to simultaneously measure AC and DC voltage, AC and DC current, DC resistance, frequency, thermocouple signals, and heat. Calibration of process instrument calibrators with resistance signal functionality. It is also suitable for the calibration of process instrument calibrators with some of the above measurement and output functions.
JJF 1472-2014 history
2014JJF 1472-2014 Calibration Specification for Process Calibrators