Measuring range

350~9999PPM

Resolution

1ppm

Disy mode

LCD high definition large screen disy

Calibrate concentration Settings

There is

Hydrogen sulfide reading pattern

There is

Principle of sensor

Principles of electrochemistry

Alarm mode

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

Alarm value setting

Upper limit, lower limit alarm value setting

Air pump measurement

There is（需要选配）

Security password Settings

There is

Peak disy mode

There is

Battery operating time

8 hours (6 hours with sampling pump)

Battery

3.7V 1800mAh充电锂Battery

Net weight of product

188g

Product size

114.5*65*38mm