MH-Z19B NDIR CO2 Sensor Module

MH-Z19B NDIR CO2 Sensor Module
  • Product Code:SQ8004
  • Availability: In Stock
  • $22.80
  •  
  • Ex Tax:$22.80
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Tags: CO2 Sensor, CO2 Detector, Carbon Dioxide Detector, Carbon Dioxide Sensor, Infrared Sensor, Infrared Gas Sensor, Analog Sensor, Digital Sensor

Descriptions: Houses have become increasingly energy-efficient, but air quality can deteriorate rapidly. Active ventilation is needed to maintain a comfortable and healthy indoor environment and to improve the well-being and productivity of the inhabitants. 
MH-Z19 C02 gas sensor is a common type, and small sensor, using the non-dispersive infrared (NDIR) principle to the detection of our fleet in the air, has good selectivity, no oxygen dependence, long life, built-in temperature compensation: digital output and waveform output at the same time, easy to use.
The sensor is a high-performance sensor that combines mature infrared absorption gas detection technology with precision light path design and sophisticated circuit design.
Principle of operation: The main components of an NDIR sensor are an infrared source (lamp), a sample chamber or light tube, a light filter, and an infrared detector. The IR light is directed through the sample chamber towards the detector. 
In parallel, there is another chamber with an enclosed reference gas, typically nitrogen. The gas in the sample chamber causes absorption of specific wavelengths according to the BeerñLambert law, and the attenuation of these wavelengths is measured by the detector to determine the gas concentration. The detector has an optical filter in front of it that eliminates all light except the wavelength that the selected gas molecules can absorb.
MH-Z19 C02 offers accurate and stable CO2, temperature and humidity monitoring. This enables customers to develop new solutions that increase energy efficiency and simultaneously support well-being.

Features:
Product Model: MH-Z19B
Detection Gas: Carbon dioxide (CO2)
Operating Voltage: 4.5V ~ 5.5V DC
Average Current: <20ma (at 5V)
Peak Current: 150 mA (at 5V)
Logic Voltage: 3.3V
Measuring Range: 0 ~ 10000ppm
Accuracy: ±(50ppm+5%reading value)
Output Type: Digital, Analog
Interface: UART, PWM, DAC (default 0.4 ~ 2V)
Warm-up time: 3min
Response Time: <120s
Life Time: > 5 years
Operating Temperature: 0℃ ~ 50℃
Operating Humidity: 0% ~ 95% RH (non-condensing)
Size: 33mm x 20mm x 9mm

Applications:
HVAC refrigeration
Indoor air quality monitoring
Smart home appliances
School
Air cleaner

Package Include:
1 x  Infrared CO2 Sensor Module
1 x Cable

Interfaces
Interface Type UART, PWM, DAC
Sensor Parameters
Accuracy ±(50ppm+5%reading value)
Measuring range 0 ~ 10000ppm
Application CO2 Detector
Output Type Digital, Analog
Response Time <120s
Electrical Parameters
Operating Voltage 4.5V ~ 5.5V
Logic Voltage 3.3V
Current <20ma (at 5V)
Physical Parameters
Size 32.17mm x 19.7mm x 5.25mm
Life Time > 5 years
Environmental Conditions and Safety
Operating Temprature 0℃ ~ 50℃
Operating humidity 0% ~ 95% RH

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