Feature

●【 MULTI FUNCTIONS FEATURES】BackLight , Hold Data , Min/Max, Auto / Manual power off ,Easy manual calibration on CO2 and humidity.
●【NON-DISPERSIVE INFRARED TECHNOLOGY】NDIR SENSOR for CO2 DETECTION used to ensure the reliability and long-term stability, Measures 0~9999ppm while 0~2000ppm can maintain a high accuracy at +/- 50pp.
●【IDEAL INDOOR AIR QUALITY METER FOR HOME】Stable NDIR Sensor for CO2 Detection for laboratories, hotels, etc.
●【AUDIBLE SOUND ALARM】 The alarm beeps when the CO2 Level exceeds the preset value. The alarm threshold is adjustable.
●【TRIPLE DISPLAY】Temperature (°F/ °C) and Humidity (Air, Wet Bulb, or Dew Point Info are all available).


Description

Features:
It can display carbon dioxide concentration value, temperature and humidity and date and time on the same screen;
sound and light alarm concentration expression classification function, professional NDIR non-dispersive infrared sensor,
high measurement accuracy, double beam design, superior performance, and strong stability

1500mAh capacity:
Uses 3.7V1500mAh large-capacity rechargeable lithium polymer battery, which can be repeatedly charged and saves the cost of use.

Basic function: carbon dioxide measurement
Range: 400ppm~5000 ppm
Resolution: 1ppm
Accuracy: ±(5% reading +50ppm) (400ppm~2000ppm range under normal temperature and humidity conditions)
Temperature: -10.0℃~50.0℃
Humidity: 0%RH~99%RH
Resolution: 1%RH
Accuracy: (within the range of 10%RH~90%RH) ±5%RH@25℃

special function:
ABC: Automatic baseline calibration
Audible alarm
Sensor type: CO2 sensor based on NDIR principle
Response time: <2 minutes
Date/Time: Display the current date/time
Low voltage reminder: flashing reminder when the battery is low
Automatic shutdown: when the battery is powered, it will automatically shut down if there is no operation for a long time
Backlight: White backlight, can be turned on/off, will automatically turn off in about 20 minutes