HUAFAN HFP-0401 Multiple gas detector (LEL, CO, H₂S, O₂)

Measurement Range : 0–100% LEL, 0–200 ppm CO, 0–1000 ppm H₂S, 0–30% O₂

Accuracy : ±1% LEL / 1 ppm / 0.1% VOL

Resolution : 1% LEL / 1 ppm / 0.1% VOL

Sensor Type : Electrochemical sensor (catalytic combustion type, specially separated type)

Response Time : ≤ 20 s

Alarm Level : Low alarm and high alarm

Measurement Method : Diffusion

Alarm Type : Voice alarm > 90 dB (at 10 cm from the instrument); Red LED light alarm

Battery Type : Lithium battery, 1800 mAh

Charging Time : 3 ~ 5 hours

Temperature Range : -20 ℃ ~ 50 ℃

Humidity : 15% ~ 95% RH (non-condensing)