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Air Flow Sensor

GMH-Z19D NDIR CO2 Sensor

1. Indoor air quality monitoring
2. Air cleaner device
3. HVAC refrigeration
4. Ventilation system

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Description

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GMH-Z19D NDIR infrared CO2 sensor module is a common type, small size sensor, pins type or terminal type, using non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air,  with good selectivity, non-oxygen dependent and long lif e. Builtin 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.


Features

*High sensitivity, low power consumption

*Good stability

*Temperature compensation, excellent linear output

*Multiple output modes: UART, PWM

*Long lifespan

*Anti-water vapor interference, anti-poisoning



Product Show

Main Applications:Indoor air quality monitoring / HVAC refrigeration / Ventilation system / Air cleaner device

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Parameters

ModelGMH-Z19D
Detection GasCO2
Working voltage5.0±0.1V DC
Average current< 40mA (@5V power supply)
Peak current125mA (@5V power supply)
Interface level3.3 V (Compatible with 5V)
Detection Range400~10000ppm(optional)
Output signal

Serial Port (UART) (TTL level 3.3V)

PWM

Preheat time1 min
Response TimeT90 < 120 s
Working temperature-10 ~ 50 ℃
Working humidity0 ~ 95% RH (No condensation)
Storage temperature-20~60 ℃
Weight5 g
Lifespan> 10 years


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