VOC Monitor / Detector , Ndir Co2 Sensors Hvac With Buzzer Alarm

Monitoring parameters

CO2

TVOC

Temperature

Relative humidity

Sensing element

Non-Dispersive Infrared Detector (NDIR)

Semiconductor mix gases sensor

Digital combined temperature and humidity sensor

Measuring range

0~5000ppm

1~30ppm

-20~60

0~100%RH

Display Resolution

1ppm

5ppm

0.1

0.1%RH

Accuracy@25(77)

±60ppm + 3% of reading

±10%

±0.5

±4.5%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

        ——

——

——

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

72 hours (first time)
1 hour (operation)

Electrical Characteristics

Power supply

100~240VAC
18~24VAC/VDC with the power adaptor available

Consumption

3.5 W max. ; 2.5 W avg.

Display and Alarm