MH-Z19 Infrared CO2 Sensor Module for CO2 monitor

The MH-Z19 Infrared CO2 Sensor Module is designed for CO2 monitoring applications. Here are the features, specifications, and package inclusions of the MH-Z19 sensor:

  Features:  

• High sensitivity and resolution
• Low energy consumption
• Output modes: UART and PWM wave
• Built-in temperature sensor for temperature compensation
• Stable and linear output
• Long lifespan
• Anti-interference from water vapor
• Non-oxygen dependent
• No poisoning

  Specifications:  

• Operating Voltage: 3.6 to 5.5 VDC
• Detection Gas: Carbon Dioxide (CO2)
• Average Current: <18 mA
• Interface Level: 3.3V
• Measuring Range: 0~5%VOL (optional)
• Output Signal: PWM, UART
• Preheat Time: <3 minutes
• Response Time: <60 seconds
• Operating Temperature: 0 to 50°C
• Working Humidity: 0~95% RH (no condensation)
• Lifespan: >5 years
• Dimensions: 33mm x 20mm x 9mm
• Weight: 21 grams

  Package Includes:  

• 1 x MH-Z19 Infrared CO2 Sensor Module
• 1 x Connecting Cable

The MH-Z19 sensor module is suitable for use in HVAC systems, refrigeration systems, and indoor air quality monitoring devices. It offers accurate and reliable CO2 detection with low power consumption and high stability.