Explosion proof certification case of multifunctional online monitoring instrument
Explosion proof sign:Ex ib db Ⅱ B T4 Gb
Explosion proof standard basis:GBT 3836.1-2021 Explosive Atmospheres Part 1: General Requirements for Equipment
GBT 3836.2-2021 Explosive Atmospheres Part 2_ Equipment protected by explosion-proof shell "d"
GBT 3836.4-2021 Explosive Atmospheres Part 4_ Equipment protected by intrinsic safety type "i"
Experimental items:Appearance and structural inspection
Temperature test
Impact resistance test
IP testing
Shell withstand voltage test
Internal ignition without detonation test
Spark ignition test
Dielectric strength test
Diode safety barrier and safety shunt type test
Certificate template:
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