• small-size-sensor
  • infrared-gas-sensor

MH-Z16 NDIR CO2 SENSOR

  • • Detection Range: 0~5%VOL optional
  • • 4.5 V ~ 5.5V DC
  • • Output: UART, analog voltage signal, PWM wave

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Principle Introduction:
Feature:

Measuring range:0~5%VOL optional

Working Voltage: 4.5 V ~ 5.5V DC

Output modes: UART, analog voltage signal, PWM wave

MH-Z16 NDIR Infrared gas module is a common type, small size sensor, using non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air, with good selectivity, non-oxygen dependent and long life. Built-in temperature sensor can do temperature compensation; and it has digital output and analog voltage output. This commons type infrared gas sensor is developed by the tight integration of mature infrared absorbing gas detection technology, Precision optical circuit design and superior circuit design.


 


Applications :

MH-Z16, NDIR CO2 gas sensor module, mostly used in the teaching equipment.


Technical parameters :
Working voltage 4.5 V ~ 5.5V DC
Average current < 85 mA
Interface level 3.3 V
Measuring range 0~5%VOL optional
Output signal PWM
UART
Preheat time 3min
Reponse Time T90 < 30s
Working temperature 0℃ ~ 50℃
Working humidity 0~95%RH
Weight 21 g
Lifespan >5 year

Reference Circuit :

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