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.
Application
HVAC system
Air purifier
Air quality monitor
Consumer CO2 meter
Smart home device
Smart building automation
Indoor environmental control
Features
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
Specifications
Model No: - MH-Z1911A - Preheat time: 1 min
Detection Gas: CO2 - Response Time: - T90 <120s
Detection Range: 400~10000ppm(optional)
Working voltage: DC 5.0±0.1V - Working temperature - -10 ~ 50 ℃
Average current: 10 years