| 规格和标准 |
Gas to be detected: City gas (LPG switchable) Protection grade: equivalent to IP67 Detection range: 10 to 2000 ppm Detection principle: Heat-line semiconductor type Condition gas: City gas (CH4) calibration Concentration display: LCD bar meter/concentration scale/LED Detection method: Pump suction type Alarm setting value: Initial setting 30 ppm(可以分为五个阶段:10、30、150、500、2000 ppm) 警报量表:10、30、150、500、2000 ppm)敏感度量表(0,1/1/5,1,2,3) display, Bluetooth display Response time: within 3 seconds Gas alarm type: 1-stage alarm Gas alarm display: lamp flashing/buzzer sound Gas alarm operation: automatic recovery Fault alarm: sensor abnormality/low flow/low battery voltage/system abnormality/adjustment abnormality/watch abnormality/pump abnormality Fault alarm display: lamp闪烁/蜂鸣器的声音/故障内容显示 故障警报操作:自我 传输规格:蓝牙4.2(蓝牙低能) 电源:2 x AA碱性电池连续使用时间:大约13小时(大约13小时(没有突然的变化)操作湿度范围:95%或更少(无凝结)防 结构:固有的安全 炸性 炸 炸性 炸式防 级:ExiaⅱCT4GA(日本)(日本)外部尺寸:大约41(w)x 186(w)x 186(h)x 38(h)x 38(d)mm(排除protrusions prutrusions pownies
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