It is a new generation of micro-intelligent detector, which can continuously detect the concentration of oxygen in the working environment where inflammable and explosive mixed gases exist. It has the characters of sound & light alarm, voltage display, under voltage alarm, zero point automatic following, and convenient to adjust and use.

Measuring range: (0～4)% for methane; (0～25)% for oxygen

Tolerance: ≤±10％ for methane; ≤±3 ％ for oxygen

Life of sensor: ＞12months for methane; ＞24months for oxygen

Response time: ＜20s

Display mode: 4-digital LED

Alarm mode: Intermittent sound & light alarm, continuous adjustable of alarm point

Sound level: ≥80dB

Protection grade: IP54

Battery pack: Ni-Mh1800mAh×3

Continuously working time: ＞15h

Explosion protection: Exib I

Dimensions: 116×56×25mm

Weight: 0.2kg

Match: Single / 10-united charger