CBBJ防爆聲光報警器適用范圍1區(qū)、2區(qū)危險場所。 ⅡA、ⅡB類爆炸性氣體環(huán)境。型號含義 Model implication 產(chǎn)品特點(diǎn) Features 鑄鋁合金殼體,表面噴塑。 The shell is of diecasted A1-alloy with plastic-sprayed surface.鋼化玻璃罩，具有較強(qiáng)的抗沖擊能力，并有紅，黃， The enclosure is made of toughened glass with well impulsion-withs-藍(lán)等顏色可供選擇。 tanding,and its color can be freely selectde.鋼管或電纜布線均可。 Suitable for steel pipe and cable wiring.符合GB3836-2000，IEC60079標(biāo)準(zhǔn)要求。 Suitable for GB3836-2000,IEC60079 standard request