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NDIR CO2 sensor - CO2-4K-3M

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Operating Temperature：0 ~ +40 degrees Celsius
Storage Temperature：-20 ~ +50 degrees Celsius
Operating Humidity：0-95% non-condensing

Model Number: CO2-4K-3M
Data Sheet:

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Product Specification

1.About NDIR CO2 sensor：

Our NDIR CO2 sensor has a simple configuration with its infrared radiation source, cell, optical filter and infrared detection part.

The optical filter to detect infrared is composed for 2 kinds of infrared wavelength. One is the wavelength band which is well absorbed by CO2, and the other is the wavelength band which is less affected by CO2 or other gas components.

As it measures the ratio of infrared absorption amount itself, our NDIR CO2 sensor realizes stable measurement performance while compensating the influence of degradation of radiation source etc.

2.Type of Unit：

TYPE NAME: CO2 Measurement Unit

MODEL NO.: CO2-4K-3M-P

3.Dimensions：

See Fig. 2.

Production Lot No. is put on a Unit.

4.General / Electrical Characteristics：

PARAMETER	SPECIFICATION
Outputs	PWM Open Collector to GND Maximum 5mA
Operating Temperature	0 ~ +40 degrees Celsius
Storage Temperature	-20 ~ +50 degrees Celsius
Operating Humidity	0-95% non-condensing
Supply Voltage	5+/-0.5 VDC
Current Consumption	25mA (Average) <100mA (Peak)
Connector (3-pin)	Pin_1 - V+ Pin_2 - V- Pin_3 - PWM Output
Connector Type	JST S3B-EH-A(LF)
Reverse Polarity Protection	None

5.CO2 Measurement：

PARAMETER	SPECIFICATION
Type of Measurement	NDIR
Measurement Range	400 – 4,000ppm CO2 by volume
Resolution	< 20ppm CO2
Accuracy	+/-5% FS (+/-200ppm) at 25℃
Pressure Dependence	0.13% of reading per mm Hg
Response Time	< 3 minutes for a 90% step change
Warm Up Time	< 30 seconds operational <15 minutes full accuracy