Zhengzhou Winsen Electronics Technology Co., Ltd
Tel: 86-371-67169097/67169670 Fax: 86-371-60932988 Email:
Leading gas sensing solutions supplier in China!
MH-Z19B NDIR CO2 Module
1. Profile
MH-Z19B 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. Built-in temperature compensation; and it has UART output and PWM output. It is developed by the
tight integration of mature infrared absorbing gas detection technology, precision optical circuit design and
superior circuit design.
2. Applications
*HVAC refrigeration *Air cleaner device *Indoor air quality monitoring
*Smart home *Ventilation system *School
3. Main Features
Chamber is gold plated, water-proof and anti-corrosion
H
igh sensitivity, low power consumption
Good stability
Temperature compensation, excellent linear output
Multiple output modes: UART, DAC, PWM
Long lifespan
Anti-water vapor interference, anti-poisoning
4. Structure
