Gas Detector 4 In 1 Bosean BH-4M - H2S O2 CO LEL

Features

1. SENSOR: High quality electrochemical sensors Made in the UK. Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S) and Combustibles (LEL). Comes FACTORY CALIBRATED. Turn ON and GO.

2. DETECT: Detection error better than ≤±5% F.S. and response time: T<30s. Zero and span calibration options.

3. ALARMS: Adjustable audio, visual, and vibration alarms alert when preset levels are reached. Alarm digital time stamp and logging.

4. STRONG: Robust design made of high strength ABS and Anti-slip grip rubber. Waterproof, dust-proof and explosion-proof exceeding Exib IIB T3 Gb.

Specification：

Gas type: Oxygen/carbon monoxide/hydrothion/combustible gas( O2/CO/H2S/LEL)

Gas measurement range: O2: 0~30%vol, CO: 0~999umo/mol(ppm), H2S:0~100 umo/mol(ppm), EX (combustible ):0~100%LEL

Resolution:0.1%vol/1umo/mol(ppm)/1% LELLow/High alarm/Alarm setting: Yes

Four Alarm methods : Sound Alarm, Light flashing, Vibrating alert, Screen shows, adjustable alarm values, alarm sound up to 80db

Operating temperature:  -20℃～50℃(except LEL is 0~40C)

Operating humidity:＜95%RH (no dew)

Display: 2.4 inch HD display

Power: 3.7V li-battery(Built-in)

Battery runtime: 6-8 hours or so.