National Metrological Technical Specifications of the People's Republic of China
Latest
JJF 1136-2005
Scope
This specification is applicable to the calibration of pointer type, digital type, single-disc and multi-disc flash type, revolving door type or other measurement principles and display methods that measure twelve equal temperament pitches and relative deviations.
JJF 1136-2005 history
2005JJF 1136-2005 Calibration Specification of Tonometers