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Application:HVAC system, Air purifierAir quality monitor
Feature:High sensitivity, low power consumption, Good stability and consistency

MH-Z1911A is a newer version of MH-Z19B
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Production Description:

MH-Z1911A infrared CO2 sensor is intelligent sensor with small size, using non-dispersive infrared (NDIR) principle to detect the concentration of CO2 in the air of buildings such as office, home, classroom, airport installed in air quality meters, air purifier and HVAC system. It has excellent selectivity carbon dioxide, built-in temperature compensation for high accuracy, lower power consumption and optional output ways of UART and PWM. It is developed by the tight integration of mature infrared absorbing gas detection technology, precision optical circuit design and superior circuit design.

Feature:

High sensitivity, low power consumption
Good stability and consistency
Temperature compensation, excellent linear output
Multiple output modes: UART, PWM
Long lifespan
Anti-water vapor interference, anti-poisoning

Application:

HVAC system
Air purifier
Air quality monitor
Consumer CO2 meter
Smart home device
Smart building automation
Indoor environmental control

Main technical parameters:

2 pcs MH-Z1911A NDIR CO2 Module