BBJ系列防爆声光报警器（ⅡB）LED
适用范围 Application
1区、2区危险场所。
ⅡA、ⅡB类气体环境。
Can be used in Zone 1 and Zone 2 dangerous places.
Can be used in IIA、IIB、group explosive atmosphere.
型号含义 Model implication
产品特点 Features
铸铝合金壳体,表面喷塑。 The shell is of diecasted A1-alloy with plastic-sprayed surface.
钢化玻璃罩，具有较强的抗冲击能力，并有红，黄， The enclosure is made of toughened glass
