CGESCO2D5ALN CARLO GAVAZZI Selected parameters MODEL CO2 HOUSING Duct Mounting OUTPUT Analog Others View larger
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CGESCO2D5ALN CARLO GAVAZZI Selected parameters MODEL CO2 HOUSING Duct Mounting OUTPUT Analog Others



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Selected parameters MODEL CO2 HOUSING Duct Mounting OUTPUT Analog Others

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Temperature Sensors



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Environmental Sensors
CO2 Transmitters
• Simple installation
• Compact housing
• Auto-calibration
• Measuring ranges: 0...2000ppm or 0...5000ppm
• 0-10V or 4-20mA output
• Duct mounting
• CE, RoHS
Product Description
Ordering KeyCGESC02D2 V L N
Duct mounted CO2transmitters of the CGES series are designed forHVAC applications. The CO2sensing element uses theNon-Dispersive Infrared Technology(NDIR). A patented auto-calibration procedure compensates for drift caused by the aging ofthe sensing element and guarantees outstanding long term stability. Installed into a duct a small flow of air will be established byconvectionthroughthe
probe into the transmitter housing andbackintothe duct. Inside the transmitter housing theairwilldiffuse through a membrane into the CO2sensing element.
Measuring ranges of 0...2000ppm and 0...5000ppm correspond toananalogue interface of
0-10V or 4-20mA. The instruments can be easily positioned in the duct with the standard mounting flange.
Measuring range
Probe length
Type Selection
Model OutputMeasuring range Probe Length Ordering No.
CO2 Transmitter0-10 V 0...2000ppm 200 mm CGESC02D2VLN
0-10 V 0...5000ppm 200 mm CGESC02D5VLN
4-20 mA0...2000ppm 200 mm CGESC02D2ALN
4-20 mA0...5000ppm 200 mm CGESC02D5ALN
General Specifications
Voltage supply
24VAC ±20%
Recommended min.
flow speed1m/s
Temperature ranges
Current consumptiontyp. 15mA + output current
Warm up time <5min
Humidity 0...95% (not condensing)
operating temperature range0°C - +50°C
storage temperature range-20°C - +60°C
Electromagnetic compatibility EN61326-1, EN61326-2-3
Measuring Values
Measurement principle Non-Dispersive Infrared
Response time τ
100s at 3m/s air speed in duct
Technology (NDIR)
Measuring range 0...2000ppm / 0...5000ppm
Accuracy @ 25°C
and 1013mbar
0...2000ppm<±(50ppm +2% of meas. value)
0...5000ppm<±(50ppm +3% of meas. value)
Temperature dependence typ. 2ppm CO2/°C
Sample rate~15s
Specifications are subject to change without notice (05.09.2014)1

Datasheet - PDF

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