Standard requirements for obtaining intrinsic safety explosion-proof certification for methane monitoring devices
1、 Certification standards:
1. GB/T 3836.1-2021 Explosive Atmospheres Part 1: General Requirements for Equipment
2. GB/T 3836.4-2021 Explosive Atmospheres Part 4_ Equipment protected by intrinsic safety type "i"
2、 List of certification materials:
1. Technical drawings: schematic, structural, PCB, intrinsic safety parameters, etc
2. Battery specification sheet
3. SRRC certificate or wireless transmission power report of wireless transmission module
4. Product manual, enterprise standards, etc
3、 Explosion proof sign: Ex ib Ⅱ B T4 Gb
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