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 <<  |  <  |   AX-GS-CD-T81 - Carbon Dioxide Sensor with Optional RH
AX-GS-CD-T81-E / Space Mounted CO2 Sensor & thermistor temperature o/p POA Qty
AX-GS-CD-T81-EB / Space Mounted CO2 Sensor & thermistor temperature & Bacnet MSTP o/p POA Qty
AX-GS-CD-T81-S / Space Mounted CO2 Sensor 0-5000ppm & thermistor temperature o/p POA Qty
AX-GS-CD-T81-E-D / Space Mounted CO2 Sensor & thermistor temperature o/p & LCD display POA Qty
AX-GS-CD-T81-E-H / Space Mounted CO2 Sensor & analogue Temperature & RH o/p POA Qty
AX-GS-CD-T81-E-HD / Space Mounted CO2 Sensor & analogue Temperature & RH o/p & LCD display POA Qty
 <<  |  <  | OVERVIEW | SPECIFICATION | DATASHEETS        

The AX-GS-CD-T81 Combined Humidity, Temperature and Carbon Dioxide Transmitter uses NDIR single beam Infrared technology to monitor the CO2 levels and give both a Voltage and Current output of CO2 levels and a Thermistor to monitor the Temperature and a Thermoset Polymer Based Capacitive sensor for the RH and outputs a linear signal as either 4-20 mA or 0-5/10 Vdc. The options include a LCD display displaying the ppm levelsand Bacnet output
Product Features
Wall mounting
Monitors CO2 over range 0 to 2,000 ppm
Optional Temperature and RH Outputs
Solid State Sensing Element
Lifetime calibration interval
Adjustable Analogue Output

Power Supply
18 to 30Vac 50/60Hz
Consumption
0.7W @nominal voltage of 24Vac
Ambient Temp. Range
0 to +50C , 0-95% RH non condensing
LCD Display
(optional) Displays all parameters 33 x 14 mm (optional at additional cost)
Housing
Flame retardant ABS
Dimensions
82 x 87 x 28 mm
Analogue Outputs
0-10V (100 ohm output impedance)

4-20mA (RL maximum 500 ohm)

Bacnet MSTP (optional extra)
Conformity
CE marked, EMC, LVD.
Country of Origin
Mexico

Carbon Dioxide
Sensor Type
Non-dispersive Infra-red
Range
0-2000ppm standard, 0-5000ppm available (-S version)
Calibration Interval
Lifetime
Accuracy
+/- 30ppm or 5% whichever is greater
Stability
Self Calibrating <2% FS over life of sensor (typical 15yrs)
Altitude Correction
Programmable from 0-5,000ft in 500 ft increments
Output
0-5/10Vdc and 4-20mA

-EB Bacnet MS/TP RS485 38400 or 9600 baud + Relay
Settling Time
<2 minutes after power up (10 minutes maximum accuracy)

Temperature
Sensor Type
10K3A1 Thermistor
Temperature Range
0-50C
Temperature Accuracy
+/- 1C
Output
Thermistor or 0-5/10Vdc or 4-20mA

Relative Humidity
Sensor Type
Thermoset Polymer Based Capacitive
RH Range
0-99%RH (non-condensing)
RH Accuracy
+/- 2.5% RH (20-80%RH)
Output
0-5/10Vdc or 4-20mA

AX-GS-CD-T81.pdf / Carbon Dioxide Sensor with Optional RH & T and Bacnet Outputs