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K33 ELG – Senseair CO2 Engine

CO2 Engine ELG is suitable for low power applications as the unit can put sleep-mode between measurements. The sensor is designed to measure and store records of environmental parameters such as CO2, RH and temperature.



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K33 ELG - Senseair CO2 Engine + K30 - Senseair CO2 OEM Engine + BLG - Senseair CO2 Engine
Price for all: £251.56


Product Details

  • Operating Principle: Non-dispersive infrared (NDIR)
  • Measured gas: Carbon dioxide (CO2)
  • Measurement range CO2: 0 to 5000 ppm(CO2)
  • Measurement range RH: 0 to 100%
  • Measurement range oC: -40 to 60
  • Accuracy: ± 30 ppm ± 3 % of measured value
  • Dimensions: 51 x 57 x 12 mm (Length x Width x Height)
  • Maintenance-free
  • Life Expectancy > 10 years
  • Operation temperature range: 0 to 50 °C
  • Operation humidity range: 0 to 95% RH (non-condensing)
  • Power supply: 5.5 to 12.0 V DC
  • Response time: <25 sec gas diffusion time
  • Communication: I2C/UART (Modbus)


Onsite Diagnostics

If you require onsite diagnostics or technical assistance with any of our products please contact us

  • This field is for validation purposes and should be left unchanged.


We recommend Duomo Gas Detection products are serviced at least annually to ensure efficacy and extend sensor life. Our qualified team of engineers are available Nationwide.



  • K33 ELG Product sheet

    780.20 KB | pdf

  • K33 ELG Product Specification

    1.46 MB | pdf

  • I2C Communication Guide

    3.79 MB | pdf

  • Modbus on Senseair K30, K33 Guide

    2.32 MB | pdf

  • UIP5 Software

    51.33 KB | pdf


Support & Service

If you require technical assistance or an annual service on this product please contact us and we will be happy to help. Our qualified team of engineers are available Nationwide.

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