NDIR CO2 Sensor Module, 400-2000/ 5000/ 10000 Ppm

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$103.33

Ex Tax: $103.33

Stock: In Stock
Model: RDDLZ-ICDS-Z14A
Weight: 1.00
SKU: RDDLZ-ICDS-Z14A

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Low cost NDIR CO2 sensor with 1 min preheat time, interface level 3.3V, working voltage 5VDC. The CO2 module has high sensitivity, lower power consumption and good stability, infrared carbon dioxide sensor is widely used in HVAC refrigeration, air cleaner device, indoor air quality monitoring, smart home and ventilation system.

Features

Chamber is gold plated, water-proof and anti-corrosion
High sensitivity, low power consumption
Good stability, long lifespan
Temperature compensation, excellent linear output
Multiple output modes: UART, PWM
Anti-water vapor interference, anti-poisoning

Specification

Model: RDDLZ-ICDS-Z14A
Detection gas: CO2
Working voltage: 5VDC
Peak current: 125 mA
Average current: < 40mA
Interface level: 3.3V
Measuring range: 400~10000 ppm
Output signal: UART/ PWM/ 0.4-2V DC
Preheat time: 1 min
Response time: T90 < 120s
Working temperature: -10℃ ~ 50℃
Working humidity: 0~95% RH (no condensation)
Storage temperature: -20℃ ~ 60℃
Dimension (L*W*H): 57.5*34.7*17mm

Measuring range and accuracy

Target gas	Measuring range	Resolution	Accuacy
Carbon Dioxide (CO2)	400~2000 ppm	1 ppm	± (50 ppm＋5% reading value)
	400~5000 ppm
	400~10000 ppm

Dimension (mm)

Tips: Why Calibrate NDIR CO2 Sensor Module?

All carbon dioxide sensors need calibration. Depending on the application, this can be accomplished by calibrating the sensor to a known gas or using the automatic baseline calibration (ABC) method. Both have pros and cons you should know.

Most of our CO2 products use non-dispersive infrared (NDIR) carbon dioxide sensors. These rely on an infrared light source and detector to measure the number of CO2 molecules in the sample gas between them. Over many years, both the light source and the detector deteriorate, resulting in slightly lower CO2 molecule counts. The industry calls this "drift".

To combat sensor drift, during calibration a sensor is exposed to a known gas source, multiple readings are taken, an average is calculated, and the difference between the new reading and the original reading when the sensor was originally calibrated at the factory is stored in EPROM memory. This "offset" value is then automatically added or subtracted to any subsequent readings taken by the sensor during use.

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