A37 is used to detect CO2 concentration in different environments. The LCD displays CO2 concentration being measured, temperature, humidity, and date/time together. Air quality is indicated with emoticons. When CO2 concentration gets too high, audible and visual alarm will go off.
Спецификации Обхват Резолюция Точност
МоделA37
Carbon dioxide 400ppm~5000ppm 1ppm ±5%rdg + 50ppm from 400ppm~2000ppm (at ambient temperature and humidity)
Temperature-10.0℃~50.0℃ 0.1℃ Typical accuracy: ±1℃
Relative humidity0%RH~99%RH 1%RH Typical accuracy: ±5%RH (10%RH～90%RH) at 25℃
Features
ABC Automatic baseline correction √
Audible and visual alarm√
Sensor type NDIR (no-dispersive infra) CO2 sensor √
Response time T90 less than 2 minutes √
Date/time Display the date and time √
Low power display low power symbol keep flashing √
Auto power off auto power off if no opeartion for long time √
Backlight The white backlight can be turned on/off.
It will be automatically turned off after 20-minute inactivity. √
Operating temperature 0℃～50℃, 0%RH～85%RH √
Storage temperature -20℃～60℃, 0%RH～95%RH √
General Characteristics
Power 3.7V DC Li-ion battery/ Micro USB charging port
LCD size 42 x 65mm
Product color White
Product net weight about 195g
Product size 75 x 55 x 130mm
Standard accessory Micro USB charging cable
Standard individual packing Gift box, English manual