NDIR CO2 Sensor Module for Carbon Dioxide Detection - MH-Z14

  • NDIR CO2 Sensor Module for Carbon Dioxide Detection
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• Detection range: 0 ~ 10000ppm
• Accuracy: ±10% reading value
• Responsible time T90: <120s
• Working temprature: 0 ~ 50℃
• Working humidity: 0~90%RH(no condensation)
• Working voltage: 4.5 V ~ 5.5V D
• Interface level: 3.3 V (5V compatible)

  • Model Number: MH-Z14
  • Data Sheet: Date Sheet File
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Product Specification

MH-Z14 NDIR CO2 Sensor Infrared CO2 Sensor Module Description

MH-Z14 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 dependant, long life. Built-in temperature sensor can do temperature compensation;  and it has digital output and analog voltage output. MH-490W integrate sophisticated infrared absorption gas detection technology, sophisticated light transmission design and sophisticated circuit design.

MH-Z14 NDIR CO2 Sensor Applications
HVAC refrigeration equipment, air quality monitoring equipment, fresh air system, air purification equipment, smart home, and schools.

MH-Z14 NDIR CO2 Sensor Technical Parameters

Working voltage 4.5 V ~ 5.5V DC
Average current <60mA (@5V input)
Peak current 150 mA (@5V input)
Interface level 3.3 V (5V compatible)
Measuring range 0~10000ppmoptional(refer to table 2)
Output signal Serial Port (UART, TTL level)
Analog output(DAC), 0.4-2V
Preheat time 3min
Response Time T90 <120s
Working temperature 0℃ ~ 50℃
Working humidity 0~90%RH(no condensation)
Weight 15g
Lifespan >5 year

Target Gas Measuring Range Accuracy
Carbon Dioxide (CO2) 0~2000ppm ±(50ppm +3%reading value)
0~10000ppm ±10% reading value

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