产品详情
[功能]
●工人可以在土木工程工作地点，钢铁工程等上使用它，以检查工作 的安全并确保工人的安全。
●袖珍尺寸可以同时保护工人，检测和显示氧气和一氧化碳。
●超薄和轻质类型的厚度为22mm，重量为75克。
●一个AA碱性电池可连续使用大约5,000小时。
当没有警报（20ppm以下的气体浓度指示器），或者温度为20°C
●使用四向灯，蜂鸣器和振动通知警报时。
●配备了CO累积浓度显示功能，峰值存储器函数和峰值保持功能。
●Gas calibration is possible at your own pace (using a kit sold separately)
●Intrinsically safe explosion-proof structure (Ex ib IIB T3)
[Specifications]
《Sensing target gas: oxygen》
●Detection principle: diaphragm galvanic battery-operated
●Measurement range (service range): 0 to 25, 0 vol% (25 to 50 vol%)
●Alarm setting value: 1st stage: 19.5 vol%, 2nd stage: 18.0 vol%
●Response time 2: Within 20 seconds
《Sensing target gas: carbon monoxide》
●Detection principle: constant potential electrolytic type
●Measurement range (service range): 0 to 300 ppm (300-2000ppm) Alarm setting: 1st stage: 50ppm, 2nd stage: 150ppm, Accumulated concentration 3: 150ppm/h Response time 1: Within 30 seconds
[Common specifications]
●Gas to be detected: diffusion type
●Display method: LCD digital (manual backlight)
●Alarm method: buzzer sound, red lamp flashing, liquid crystal display, vibration
●Explosion-proof structure: Ex ib IIB T3 (Intrinsically safe explosion-proof structure) ● Included functions: battery level display, peak hold function, peak value memory function, integrated concentration display function, alarm functions other than gas alarm (additional concentration 3, sensor abnormality, remaining battery level, zero adjustment defect), gas concentration display switch, gas calibration function ● Operating temperature and humidity range: -10℃至40℃，30％至90％或更少（无凝结）●电源：1 AA碱性电池●连续使用时间※2：大约5,000小时 没有收到警报（气体浓度显示为20ppm或更少，O2 20，3vol％或更多）
