4 in 1 Air Quality Display

TH-931 displays four most crucial parameters of IAQ: CO2 level, PM2.5 concentration, humidity and temperature. It also provides date, day and time. It uses good quality sensors: such as the NDIR CO2 sensor, laser scattering principle sensor for PM2.5, temperature and humidity sensors which are usually available only in laboratory air quality diagnostic equipment.

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Specifications

Type

Wall mount

Parameters

CO2, PM2.5, Relative Humidity, Temperature

Operating Environment

-10 ~ 50 / 0 ~ 95%RH, non-condensing

Storage temperature

-10 ~ 50

Clock

Real time clock with battery backup

Power supply

12 VDC (supply with an AC adapter 100 ~ 240V / 50 ~ 60Hz)

Current consumption

1.2A (max)

Display

7 segment LED display

Storage

Micro SD card 8G or 16G (Transcend, Adata and ScanDisk are recommended) (not included in product kit)

Memory capacity

Depending on SD card capacity

Storage format

CSV