NDIR infrared gas module is a common type, small size sensor, using non-dispersive infrared (NDIR) principle to detect the existence of CO 2 in the air, with good selectivity, non-oxygen dependent and long life.

Output Modes : UART, DAC, PWM

Chamber is gold plated, water-proof and anti-corrosion

Anti-water vapor interference, anti-poisoning

Applications : HVAC refrigeration  , Air cleaner device , Indoor air quality monitoring , Smart home , Ventilation system  ,School