DZ/T 0101.12-1994
Active
JJF 1764-2019
Active
National Metrology Technical Specifications JJF
JJF 1764-2019 Program of Pattern Evaluation of Hydrogen Sulfide Gas Detectors for Mining
JJF 1764-2019 Program of Pattern Evaluation of Hydrogen Sulfide Gas Detectors for Mining
Basic Information
Standard Code:
JJF 1764-2019
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2019-09-27
Implement Date:
2019-12-27
Pages:
40 pages
Scope
The type evaluation outline of this model is applicable to the type evaluation of hydrogen sulfide gas detectors classified and coded as 46381000 for use in mines.
Development Information
Referenced Standards
JJG 1161-2019 Hydrogen Sulfide Gas Detectors for Mining
GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold
GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat
GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle)
GB/T 2423.7-2018 Environmental testing—Part 2:Test methods—Test Ec:Rough handling shocks,primarily for equipment-type specimens
GB/T 4208-2017 Degrees of protection provided by enclosure(IP code)
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