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1. Scope 1.1 This Standard applies to the electrical features of power- operated dispensers for petroleum-based liquids, including propane and lighter-than-air fuel such as natural gas, used as fuel in internal combustion engines, where such devices a

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C22.2 NO. 152-M1984 (R2006) Combustible Gas Detection Instruments 现行 发布日期 :  1970-01-01 实施日期 : 

This PDF includes GI #2 and #3. 1. Scope 1.1 This Standard covers the details of construction, performance, and test for portable and stationary electrical instruments for sensing the presence of combustible gas or vapour concentrations in air, par

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