本质上安全的防 结构:Ex ia da IIC T4 GA *传感器部件具有防压 炸的结构。 Power supply: 4 x AA alkaline batteries (included) or 4 x AA nickel-hydrogen rechargeable batteries Target gas: Hydrogen Protection grade: IP67 Measuring range (ppm): 0-5000 or 0-10000 Depth (mm): 44 Height (mm): 164 Width (mm): 91 Hydrogen measurement range (ppm): 0-10000 Hydrogen resolution (ppm):1