| 规格和标准 |
Target gas: ammonia Protection grade: IP67 Depth (mm): 54 Height (mm): 201 Detection range: 0-400.0ppm Width (mm): 70 1 digit (ppm): 0.5 Alarm setting value: 1st 25.0ppm/2nd 50.0ppm/TWA 25.0ppm/STEL 35.0ppm Gas alarm: 2-stage alarm, TWA, STEL, OVER alarm Fault alarm: System abnormality, sensor abnormality, battery voltage drop, calibration faulty, flow drop Other: Panic alarm/man-down alarm Alarm display: Blinking lamp, continuous modulation sound, gas concentration indicator and alarm content flashing, vibration Blinking lamp, intermittent buzzer, failure content display Blinking lamp, continuous modulation sound Buzzer volume (dB): 95dB(A) or more, at 30cm (when protect cover is attached) Sampling method: pump suction type Suction flow rate: 0.45L/min or more (open flow rate) Display: LCD digital (full dot display) Display language: Japanese/English/Spanish/Portuguese/German/Italian/Russian/Korean Power supply: Lithium-ion battery unit Continuous usage time: Approximately 14 hours (25℃, when fully charged, no alarm, no lighting) Explosion-proof structure: intrinsically safe explosion-proof structure Explosion-proof grade: Ex ia IIC T4X Functions: LCD backlight, data logger, peak value display, log data display, multilingual display, screen inverted display, LED light
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