1.適(shi)(shi)用(yong)于(yu)爆炸性氣體(ti)(ti)環(huan)(huan)境(jing)1區(qu)、2區(qu)危險場所; 2.適(shi)(shi)用(yong)于(yu)IIA、IIB、IIC級爆炸性氣體(ti)(ti)環(huan)(huan)境(jing); 3.適(shi)(shi)用(yong)于(yu)可燃性粉(fen)塵環(huan)(huan)境(jing)20區(qu)、21區(qu)、22區(qu); 4.適(shi)(shi)用(yong)于(yu)溫(wen)度(du)組(zu)別為T1—T6的環(huan)(huan)境(jing); 5.適(shi)(shi)用(yong)于(yu)石油石化(hua)、化(hua)工、釀酒、醫藥、油漆(qi)、紡(fang)織、印(yin)染、軍(jun)工設施等爆炸性危險環(huan)(huan)境(jing);