National Metrological Technical Specifications of the People's Republic of China
Latest
JJF 1263-2010
Scope
This specification applies to the calibration of sulfur hexafluoride detection and alarm instruments (hereinafter referred to as instruments). Leak detectors used to detect sulfur hexafluoride and other detection instruments related to sulfur hexafluoride can be calibrated with reference to all or part of the items in this specification.
JJF 1263-2010 history
2010JJF 1263-2010 Calibration Specification for the Alarmer Detector of Sulfur Hexafluoride
1970JJF 1263-1990 Technical specification for low-frequency horizontal vibration reference operation