Parameter

Measuring range

（0~50）ppm；（0~100）ppm；（0~1000）ppm

Measurement error

( 0~49 ) ppm: measured value±3%
( > 50)ppm: measured value±10%

Resolution ratio

1ppm

Display

Liquid crystal display（LCD）display

Response time

≤45s (T90)

Alarm sound intensity

≥75dB

Alarm light

≥20M visible

Alarm point

can be set ?in full proceed (factory setting 10ppm)

Alarm way

Sound, light

Continuous working time

＞3 months ( without backlight)

Sensor lifetime

≥2 year

Working current

< 1mA ( without backlight)

Battery model

PL123450

Charging time

4-5 hours

Protection degree

IP54