Working principle
Collection type	Carbon dioxide (CO2), temperature and humidity
Sensor type	NIDR + Photoacoustics
Main parameters
CO2 detection range	400 ppm-5000 ppm
Temperature detection range	0°C to +60°C (32°F to +140°F)
Humidity detection range	0 -99% Relative Humidity
Temperature accuracy	± 0.5°C (± 32.9°F)
Humidity accuracy	± 5% Relative Humidity
Display	4.23 inch E-ink screen
Information on the screen	CO2 concentration, temperature, humidity, Emoji comfort, battery level
LED indicator manual	Green LED: CO2 ≤ 800 ppm Yellow LED: 800 ppm < CO2 ≤ 1500 ppm Red LED: CO2> 1500 ppm
Certificates
Certificates	CE/FCC
Environment
Working environment	For internal use only
Operating temperature	0°C to +50°C (+32°F to +122°F)
Working humidity	≤90% Relative Humidity (No condensation)
Working atmospheric pressure	70 kPa-106 kPa
Storage conditions
Storage temperature	-20°C to +60°C (-4°F to +140°F)
Storage humidity	≤95% Relative Humidity (No Condensation)
Atmospheric pressure during storage	50 kPa -106 kPa
General information
Material	PC/ABS
Mounting type	Freestanding
Color	White
Dimensions	108 mm x 91 mm x 43.7 mm (4.25" x 3.58" x 1.72")
Weight	148 g (0.33 lbs)

3-in-1 Air Quality Monitor

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