Product Introduction  

MH-Z19D carbon dioxide gas sensor

is a universal intelligent small sensor, with two types of products: pin and terminal (Figure 1, Figure 2). It uses the principle of non-dispersive infrared (NDIR) to detect CO2 in the air. It has good selectivity, no oxygen dependence, long life, etc.; built-in temperature compensation; and serial port output and PWM output for easy use. This sensor is a high-performance sensor that combines mature infrared absorption gas detection technology with precise optical path design and sophisticated circuit design.

Product Applications

Application areas

HVAC equipment

Air quality monitoring equipment

Fresh air system, air purification equipment, smart home, school

Product Features  

High sensitivity, low power consumption

Excellent stability, long service life

Temperature compensation, excellent linear output

Provide serial port (UART), PWM waveform, etc.

Output mode

Product Description

Actual image of the product