National Metrological Technical Specifications of the People's Republic of China
Latest
JJF 1067-2014
Scope
This specification is applicable to the calibration of power frequency voltage proportional standard devices that use precision inductive voltage dividers and precision voltage transformers as the main standard devices and use the reference potential method and series voltage addition as the traceability methods.
JJF 1067-2014 history
2014JJF 1067-2014 Calibration Specification for Apparatus of Voltage Ratio Standards at Power Frequency
2000JJF 1067-2000 Calibration Specification for Sets of Voltage Ratio Standards at Power Frequency