Measuring range

Oxygen :0~30percentVOL (accuracy ±5percentFS) Resolution :0.1percentVOL
Carbon monoxide :0~999PPM (accuracy ±10percent) resolution :1ppm
Hydrogen sulfide :0~500PPM (accuracy ±5ppm) resolution :1ppm
Combustible gas :0~100percentLEL (accuracy ±5percentFS) Resolution 1percentLEL

Alarm value setting

上限、下限值设置

TWA alarm value

时间加权平均值（指8小时内累计There is毒气体暴露）

STEL alarm value

Allowable concentration for short exposure (15 minutes)

Principle of sensor

Principles of electrochemistry (combustible is catalytic combustion)

Alarm mode

Sound, light, vibration triple alarm, you can set alarm value, alarm sound up to 80 decibels

Zero setting mode

There is

Standard gas setting mode

There is

Disy mode

Hd color disy

Charging interface

Micro USB DC 5V

Response time

< Sixty seconds

Operating environment temperature

-10~50℃

Working environment humidity

15%RH~95%RH

Storage temperature

0~40℃

Configure sampling pump power supply

Host DC 3V power supply

Screen brightness adjustment

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Language choice

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Battery

3.7V 1800mAh锂Battery

Net weight of product

360g

Product size

75*138*43mm