NDIR Infrared Carbon Dioxide Sensor Module MH-Z19 MH-Z19B For Heating Ventilation air Conditioning Equipment

NDIR Infrared Carbon Dioxide Sensor Module MH-Z19 MH-Z19B For Heating Ventilation air Conditioning Equipment

• Technical Principle: It adopts the Non-Dispersive Infrared (NDIR) principle, which detects the carbon dioxide content in the air by utilizing the characteristic of carbon dioxide absorbing infrared light of a specific wavelength.
• Product Features:
  • Strong anti-interference ability: Equipped with dual-wavelength NDIR technology, it can suppress interference from water vapor (RH ≤ 95%) and volatile organic compounds.
  • Long service life: The gold-plated air chamber combined with a PTFE filter membrane ensures a continuous working life of more than 5 years.
  • Multi-interface compatibility: Supports UART, PWM output, and can provide analog output (DAC). The interface level is 3.3V (compatible with 5V), which can be directly connected to controllers such as STM32 and Arduino.
  • Other features: It has high sensitivity, low power consumption, and excellent stability. It has a built-in temperature compensation function, and the output is linear.

• Application Fields: It is mainly used in heating, ventilation, and air conditioning equipment, air quality monitoring devices, fresh air systems, air purification equipment, smart homes, schools, and other scenarios. It is used to monitor indoor carbon dioxide concentration to ensure air quality and the normal operation of equipment.

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