National Metrological Technical Specifications of the People's Republic of China
Latest
JJF 1401-2013
Scope
This specification is applicable to the calibration of various vibrating wire frequency reading instruments with a frequency range of 300 Hz to 6 000 Hz. The calibration of other vibrating wire frequency measurement systems may refer to this specification.
JJF 1401-2013 history
2013JJF 1401-2013 Calibration Specification for Vibrating Wire Frequency Readouts