JJF 1415-2013 Program of Pattern Evaluation of Elastic Element Pressure Gauges, Pressure-Vacuum Gauges and Vacuum Gauges for General Use (English Version)
National Metrological Technical Specifications of the People's Republic of China
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JJF 1415-2013
Scope
This syllabus is applicable to the type evaluation of pressure instruments (hereinafter referred to as instruments) with a measuring range of (-0.1~250) MPa and using elastic components such as spring tubes, diaphragms, bellows and bellows as pressure-sensing elements.
JJF 1415-2013 Referenced Document
GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres-Part 1: General requirements
GB 3836.4-2000 Electrical apparatus for explosive gas atmospheres. Part 4: Intrinsic safety“i”
JB/T 9252-1999 Industrial process measurement and control instrument.Basic types and dimensions of indicating part and general technical requirements for index