适用范围 1区、2区危险场所。 ⅡA、ⅡB、IIC类爆炸性气体环境。 Can be used in Zone 1 and Zone 2 dangerous places. Can be used in IIA、IIB、IIC group explosive atmosphere. 产品特点 Features ◆外壳采用工程塑料成形,具有较好抗冲击能力. ◆ Shell is formde of engineering plastic with good impact restancee and corrsosion resistance capacity. ◆高效反光碗。 ◆ With high effective reflection bowl. ◆透明窗采用聚碳酸酯注塑成形,透光率好,抗 ◆ Transparent window is injected by polycarbonatewith 冲击性能好. ◆ Good transparency and impact resistanceproperty. ◆具有调焦装置,可以进行散光和聚光调节. ◆ Buil-in focus adjustment device for adjustment of