DZ/T 0101.12-1994
Active
JJG 1133-2017
Active
National Metrology and Inspection Regulations JJG
JJG 1133-2017 High-Low Concentration Methane Transmitters for Coal Mine
JJG 1133-2017 High-Low Concentration Methane Transmitters for Coal Mine
Basic Information
Standard Code:
JJG 1133-2017
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2017-02-28
Implement Date:
2017-05-28
Pages:
17 pages
Scope
This regulation applies to the initial verification, subsequent verification, and in-use inspection of high- and low-concentration methane sensors for coal mines based on the principle of carrier-catalytic combustion and heat conduction (hereinafter referred to as "sensors").
This regulation does not apply to sensors based on infrared and laser principles.
Development Information
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