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Duct/Space CO2 sensors

 This Carbon Dioxide transmitter, using Non Dispersive Infrared (NDIR) sensing technology with a patented automatic background calibration (ACDL) mechanism, is designed to measure the CO2 concentration in such typical applications as regular office space and HVAC ventilation duct.

 

Features

NDIR sensing technology

• Gold plated sensor for long term stability
• Automatic background re-calibration algorisms
• Threshold alarm relay output
• 15+ years life expectance
• Selectable 0-10V and 4-20mA
• AC/DC adaptable power supply
 
Spec.
Range (ppm): 0-1000, 0-2000 (default), 0-5000
Temp. Dependency: 0.2% FS/℃
Long Term Stability: < 2% 
Accuracy: ±30ppm ± 5% of Measured Value
Non-linearity: <1% of FS(25ºC )
Calibration: ACDL Self Re-calibration
Sampling Interval: 3S
Step Response Time (90%): 60S  
Warm Up Time: < 120S, 10min. to max. accuracy.
Operating Temperature:  0ºC - 50ºC
Operating Humidity: 0 - 95% RH  (Non-condensing)
Storing Temperature:  -20ºC-70ºC
Output Signal: 0-10V/2-10V (100 Ω Impedance)
                4-20mA/0-20mA
Power Supply: 18-30Vdc, 20-24Vac
Max. Power Consumption: 100mW
Working Current: Avg. 25ma/h, Peak 350ma(10ms)
Sensing Coverage: 100 m²
 
Order Code
Code
Description
GSCO21
Space CO2 Sensor
GSCO22
Duct CO2 Sensor
 

 

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