MH-Z19C CO2 Sensor

$29.90 $24.90

6 in stock (can be backordered)



The MH-Z19C module is a next-generation CO2 sensor based on the non-dispersive infrared (NDIR) principle. MH-Z19C is the successor of the widely popular MH-Z19B. See below for a comparison.

The MH-Z19CCO2 400~2000ppm sensor has built-in temperature compensation and communicates over UART and PWM with the host controller. This particular version comes with a 7pin connector on a cable to be easily integrated with our Icon64 device.

MH-Z19C has better consistency and performance than MH-Z19B. They share same size and interface, and the MH-Z19C can directly replace the MH-Z19B.

CO2 detection range 400~2000ppm, 400~5000ppm, 400~10000ppm
Accuracy ±(50 ± 5% reading value) ppm
Power supply 5.0 ± 0.5V 5.0 ± 0.1V
Average current < 20mA(@5V) < 40mA(@5V)
Peak current 150mA (@5V) 125mA (@5V)
Interface level 3.3V (compatible with 5V)
Output UART(TTL interface level 3.3V)/PWM
Preheat time 3min 1min
Response Time < 120s
Working temperature 0 ~ 50°C
Working humidity 0 ~ 95%RH (no condensation)
Dimension 33mm × 20mm × 9mm (L×W×H)
Weight 5g
Lifespan > 5 years
Gas inlet Two windows One window
Sampling period 5sec 1sec
Storage temperature -10 ~ 50°C -20 ~ 60°C
Stabilization time 24h since power on 30min since power on

Additional information

Weight 0.011 kg
Dimensions 12 × 7.5 × 1 cm


There are no reviews yet.

Be the first to review “MH-Z19C CO2 Sensor”

Your email address will not be published. Required fields are marked *

You may also like…