NDIR gas sensor uses the principle of non-spectral infrared technology (NDIR) to detect CO2 gases in the air, with strong anti-interference ability, high sensitivity, strong stability, long life, low power consumption advantages, support self-calibration and manual calibration two calibration methods, data accuracy error is minimal.
Measuring concentration range: 400~5000ppm
Measuring interval: 2s
Measurement accuracy :± (50ppm + 5% reading)
Response time :T90=90s
Operating voltage :4.2V~5.5V
Current consumption :300mA peak current; 4mA normal working current; 13mA Average working current
Self-calibration period: The first self-calibration period is 24 hours after power-on, and the subsequent self-calibration period is 7 days
Life :≥10 years
Size :35.6×21.2×12.7mm3
Communication interface :UART /IIC
PWM Output:Period:1004ms,Pulse:2ms~1002ms(0~5000ppm)
Alarm Output:Concentration >1000ppm output 1, concentration <800ppm output 0, pin for open leakage output mode, no suction current
Working conditions :0~50°C; 0~90% RH (non-condensing)
Storage conditions :-20~60°C