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MH-Z14A Carbon dioxide gas sensor

Infrared carbon dioxide sensor module MH-Z14A serial port PWM analog output 0-5000ppm.

Additional information






In stock

Product Details:

1. Working voltage: DC4-6V

2. Working current: 50mA mean value — 100mA peak value

3. detection range: 0-5000ppm

4. detection accuracy: ±50ppm

5. Preheating time: 180S

6. analog output voltage: 0.4-2V (linear output)

7. digital output: serial port data output (9600, N, 8,1)

8. response time: ≤30S

9. working temperature: 0~60℃

10. working humidity: 0~90%RH

11. storage temperature: -20~60℃

12. service life: 5 years

13. size: 57mm x 35mm x 15mm

14. weight size: 17g


1. Three ways of signal output; (Analog output/serial port UCHAR output)

2, serial port Uchar signal can be connected to the IO serial port of MCU; (TTL level 9,600, N,8,1)

3. Analog linear output 0.4-2V, the higher the concentration, the higher the voltage;

4, with PWM modulation waveform output, more convenient to read;

5, the module adopts (NDIR) infrared technology to have a good choice of carbon dioxide;

6, the module is light weight, small size, long service life, good stability and so on.

This module can be widely used in hVAC refrigeration and air quality monitoring, industrial process and safety protection monitoring, agricultural and livestock production process monitoring, as well as fresh air system carbon dioxide detection.

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