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: