Intrinsically safe explosion-proof structure (Exia II CT4X) Suction pump: Yes Gas to be detected oxygen (O2): ○ Gas to be detected flammable gas (specified by methane or HC (isobutane calibration)): ○ Gas to be detected hydrogen sulfide (H2S): ○ Gas to be detected carbon一氧化物(CO):× 要检测到的氧气,硫化氢, 气体(选择甲烷或异丁烷之一) 保护级:相当于IP-67 尺寸(mm):154 x 82 x 123 x 123