| 规格和标准 |
警报精度:与指令精度相同 警报设置值:硫化氢AL1 10ppm,Al2 25ppm/氧气AL1 18.0VOL%AL2 0.0VOL% *2阶段警报,警报设置值可用 响应时间 响应时间:硫化氢90%的响应(在25秒/氧气中)在15秒内响应15秒内(Same of 15秒)(Same Same insem in 15秒) * 20°C) Alarm method: Concentration display: Liquid crystal digital Alarm operation: LED lamp, LCD display, buzzer alarm Operating temperature and humidity range Temperature: -10 to 40°C Humidity: 30 to 85% RH or less (but does not condense) Target gas: Hydrogen sulfide, oxygen Measurement range: 0.0 to 50.0pp m (hydrogen sulfide) - 0.0 to 50.0 vol% (oxygen) Indication accuracy: Hydrogen sulfide 30.0 ppm or less: ±1.5 ppm/30.1 ppm or more: ±3.0 ppm, oxygen 0.0 to 25.0 vol%: ±0.5 vol%/25.1 vol% or more: ±3.0 vol% * Honesty after school, if under the same conditions as when calibrating Measurement principle: constant potential electrolytic类型(硫化氢) - 电池电量(氧) 连续使用时间(H):使用碱性电池时:大约。 16小时注意)但是,如果没有警报 小显示:0.1 ppm(硫化氢),0.1 vol%(氧) 测量方法:吸力类型 电源(V):3 AA碱性电池
|