| 规格和标准 |
受试者气体:氧气,甲烷,硫化氢保护级:相当于p67深度(mm):81高度(mm):133宽度(mm):154检测原理:((氧气)diaphragm镀锌电池电池电量(甲烷)的陶瓷类型(甲基氢载体)(甲基氢硫化物),(甲基氢)的含量(甲基氢)的载体范围: (〜40.0 vol%),甲烷0至100%LEL,硫化氢0至30.0 ppm 1数字:氧气0.1 vol%,甲烷1%LEL,硫化氢0.1 ppm警报设置值:(氧气)1st 19.5 Vol%/2nd 18.0 vol%/2nd 18.0 vol%/20.0.0%(甲烷)1%(甲烷)(甲烷)(甲烷)1%(甲烷)/甲烷1 10%。 100%LEL, (Hydrogen Sulfide) 1st 1.0ppm/2nd 10.0ppm/TWA 1.0ppm/STEL 5.0ppm/OVER 30.0ppm Alarm type: (Gas alarm) Self-holding, 2-stage alarm, TWA, STEL, OVER alarm (Fault alarm) System abnormality, Sensor abnormality, Low battery voltage, Calibration fault Alarm operation: (Gas alarm) Blinking lamp, Buzzer intermittent, Gas concentration indicator flashing (Fault alarm) Lamp on, Buzzer continuous, Buzzer failure content display Alarm buzzer Sound pressure: 95dB or more (at 30cm) Detection method: Diff d type Concentration display: LCD digital (7 segments + symbol + bar metre) Power supply: Lithium-ion battery unit (standard accessory) or dry battery unit 3 AA alkaline batteries/special accessory) Continuous使用时间:锂离子电池单元> 18小时或更长时间(充满电,没有警告,没有照明,在25°C时)<电池单元(3 aa碱性电池)> 12个小时或更长时间(当新电池,没有警告,没有警告和没有照明,在25°C时,在25°C时没有照明)操作温度和湿度:20至 +50°C,内在condention condention condention condention condention condention condention fordent forders fordent fordent fordent fordent forders fordent forders forders forders forders,结构(Ex ia II C T4 X) 功能:LCD背光,数据记录器,峰值显示,日志数据显示
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