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Grove - CO2 Sensor(MH-Z16)-Carbon Dioxide Detection


The Grove - CO2 Sensor(MH-Z16) is an infrared CO2 detection sensor, Which features high sensitivity and high Precision Non-dispersive, measuring the range of 0-2000 parts per million (PPM).

In stock
  • 10+: $68.50


The Grove - CO2 Sensor(MH-Z16) is an infrared CO2 detection sensor, Which features high sensitivity and high Precision Non-dispersive, measuring the range of 0-2000 parts per million (PPM).


  • Non-contact CO2 measurement: Infrared CO2 collection uses non-dispersive infrared (NDIR) Present in the principle
  • Wide range of CO2 measurements: CO2 measuring the range of 0-2000 parts per million (PPM)
  • Accurate CO2 measurement: The measurement accuracy error was only 200 PPM
  • Grove unified socket: The sensor ensures "Plug and Play" and could be versatile for various applications


The Grove - CO2 Sensor module is an infrared CO2 sensor with high sensitivity and high resolution. Infrared CO2 sensor MH-Z16 is a general-purpose, small sensor, that uses non-dispersive infrared (NDIR) Present in the principle of the air CO2 detection, with good selectivity, oxygen-dependent, long life, built-in temperature sensor, temperature compensation, with UART output, easy to use. It can be widely used in HVAC and indoor air quality monitoring, industrial process monitoring and security, agriculture and livestock production process monitoring.


The sensor value only reflects the approximated trend of gas concentration in a permissible error range, it DOES NOT represent the exact gas concentration. The detection of certain components in the air usually requires a more precise and costly instrument, which can not be done with a single gas sensor. If your projects aim to obtain the gas concentration at an exact level, then we do not recommend this gas sensor.

We have developed more than 400 Grove modules, covering a wide range of applications that can fulfil various needs. Click to explore the Grove Sensor family and get started to Grove your Idea. For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your use of the product.

One More Thing

With the SenseCAP S2110 controller and S2100 data logger, you can easily turn the Grove into a LoRaWAN® sensor. Seeed not only helps you with prototyping but also offers you the possibility to expand your project with the SenseCAP series of robust industrial sensors.

The IP66 housing, Bluetooth configuration, compatibility with the global LoRaWAN® network, built-in 19 Ah battery, and powerful support from APP make the SenseCAP S210x the best choice for industrial applications. The series includes sensors for soil moisture, air temperature and humidity, light intensity, CO2, EC, and an 8-in-1 weather station. Try the latest SenseCAP S210x for your next successful industrial project.


  • 350~450ppm: General outdoor environment
  • 350~1000ppm: The air is fresh and breathing smooth
  • 1000~2000ppm: The air was stagnant and feel asleep
  • 5000ppm: Permissible exposure limit for an 8h work day


Dimensions 100mm x150mm x20mm
Weight G.W 26g
Battery Exclude
Measuring Range 0-2000 parts per million (PPM)
Resolution 1 PPM 0-2000 parts per million (PPM)
Accuracy 200 PPM
Warm up time 3 minutes
Response Time <90s
Operating Temperature 0 to 50℃
Operating Humidity 0% ~ 90% RH
Storage Temperature - 20 - 60℃
Operating Voltage 4.5 V to 6 V DC
Maximum Current 100 mA
Average Current ≤50 ma
Output Mode UART

Part List

Grove - CO2 Sensor 1
Grove Cable 1


HSCODE 9027100090
USHSCODE 8543708800
UPC 841454108559
EUHSCODE 9027109000
EU DoC 1
RoHS 1
UK DoC 1



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  1. Product Quality
  2. Product Quality
    Works on Arduino...not so much with Raspberry Pi...yet This device is great, as long as you are using it with Arduino. I have tried a variety of techniques to get it to work with Raspberry Pi (and Windows IoT Core) with no luck. The project that this sensor was to be used for, has been changed to an Arduino project. No problem, the Arduino project is coming along nicely with this sensor!


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