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Company Info
Shenzhen Isweek Ltd Shenzhen Isweek Ltd

Street Address: 16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1st Rd, Hi-Tech Park, Nanshan

City: Shenzhen

Province: Guangdong

Country/Region: China

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NDIR CO2 Sensor

NDIR CO2 Sensor

Application:  -

Market Type:  After Market

Payment Terms:  T/T

Product Attribute:

Applicationt: 

-

Production Description:

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


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