eSENSE™ Duct

eSENSE Duct is an infrared and maintenance-free CO2 transmitters, for climate control of buildings and other processes. eSENSE duct is for installation in the ventilation duct.






Key benefits

-Two analogue outputs.

-Internal automatic self-diagnostics.

-Maintenance-free in normal applications.

-Cost-optimized for connection to DDC:s.

-Prepared for complementary passive temperature element (model -Tr).

-Different housing options.




eSENSE Duct is an extremely cost-optimized sensor solution for climate control of buildings and other processes. By controlling the ventilation based on actual demand, it helps you decrease your energy consumption and yet have a healthy indoor climate! The different housing options makes the eSENSE available to almost any application or environment for example in greenhouses, residential and commercial buildings.



Measured gas Carbon dioxide (CO2)
Measurement range CO2 0 to 2000 ppmvol
Accuracy ±30 ppm ±3% of reading
Dimensions 152 mm x 85 mm x 47 mm
Maintenance Maintenance-free*
Life Expectancy > 15 years
Operation temperature range 0 to 50 °C
Operation humidity range 0 to 95% RH (non-condensing)
Power supply 24 VAC/VDC
Communication Uart ( Modbus)
OUT 1 linear output 0 to 10 V DC (CO2)
OUT 2 linear output 2 to 10 V DC or 4 - 20mA (CO2)

*Maintenance-free with using SenseAir ABC  Self calibration using for normal indoor applications. Product Additional features
050-8-0004 eSENSE Duct No display
050-8-0009 eSENSE Duct - Disp Display
050-8-0047 eSENSE Duct - OUT1 0-5 V No display, OUT1= 0 to 5V