7 Inch Large Screen Indoor Air Quality Monitor/ IAQ monitor With USB Data Logger

Monitoring parameters

CO2

VOC

Temperature

Relative humidity

Sensing element

Non-Dispersive Infrared Detector (NDIR)

Semiconductor mix gases sensor

Digital combined temperature and humidity sensor

Measuring range

0~5000ppm

0~30ppm

-20~60

0~99%RH

Display Resolution

1ppm

5ppm

0.1

0.1%RH

Accuracy@25(77)

±50ppm + 3% of reading

±10%

±0.5

±3%RH

Life time

15 years (normal)

57 years

10 years

Stability

<2%

——

<0.04

per year

<0.5%RH

per year

Calibration cycle

ABC Logic Self

Calibration ( No client

separate calibration)

        ——

——

——

Response Time

<2 minutes for 90% change

<1 minute

(for 10ppm hydrogen,

30ppm ethanol)

<5 minute

(for a cigarette)

in 20m2 room

<10 seconds to reach 63%

Warm up time

2 hours (first time)

2 minutes (operation)