Infrared carbon dioxide detector CO2 detector indoor temperature and humidity air quality monitor automatic calibration
Model: gmt-l28a
Detection technology: infrared detection technology or semiconductor detection technology
Display mode: LCD digital display + LCD screen + backlight
Carbon dioxide measurement range: 400-5000ppm
Carbon dioxide measurement resolution: 1ppm
Temperature measurement range and accuracy: 0-50 degrees + / - 1 degrees
Humidity measurement range and accuracy: 0-99% RH + / - 5% RH
Size: 70*90*35cm
Input voltage: 5V
Sensor: NDIR infrared carbon dioxide sensor
Battery capacity: 1200mAh
Charging interface: type-C
Calibration technology: automatic calibration
Packing list:
1 carbon dioxide detector
Type one charging line
A multilingual instruction manual
Note: relationship between carbon dioxide concentration and human health
Coma or even death above 5000ppm
4000-5000ppm severe hypoxia, permanent brain injury
3000-4000ppm rapid heartbeat, extreme nausea
2000-3000ppm feeling dizzy and unable to concentrate
1000-2000ppm feeling muddy and sleepy
450-1000pm feel comfortable and breathe smoothly
350-450ppma fresh and comfortable air