The supply explosion-proof electrical explosion-proof lamps, Shanghai amount giant explosion-proof instrument (increased safety) the supply explosion-proof electrical explosion-proof lamps, the amount giant explosion-proof instrument (increased safety), the supply explosion-proof electrical explosion-proof lamps, Shanghai amount giant explosion-proof instrument (by Ann type), BYB Series explosion-proof instrument (increased safety type) explosive gas mixtures dangerous places: Zone 1, Zone 2. Explosive gas mixture: Ⅱ A, Ⅱ B, Ⅱ C. 3, Temperature: T1 ~ T6. Ex-mark: Exe Ⅱ T6 Features 1, aluminum alloy shell with plastic sprayed surface. 2, containing an assortment of instruments, such as ammeter, voltmeter, tachometer. 3, pipe and cable wiring.