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Gas Transmitter 3 Wire CO2

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Gas Transmitter CO

The Gas Transmitter 3 Wire CO2 is a versatile device, available with over 10 types of gas detection. Communication is analog 4~20mA (default) 0~20mA,0~10V,2~10V is selectable with switch (0~5V/1~5V is available by special order).

Manufactured by ELT SENSOR technology, a renowned company with two decades of expertise in gas sensors. based multiplied compensation algorithms keep accuracy and long-term stabilization throughout full operating Temperature and Concentration range Beyond CO2 sensing, this series encompasses over 10 types of environmental gas sensors, including CxHy, CO2, H2S, NH3, NO2, NO, SO2, H2 and O3.

Ability to integrate multiple sensor types within the same format, facilitating the measurement, management, and control of complex gases. This comprehensive functionality makes it exceptionally convenient for a wide range of applications.


Automatic indoor ventilation system, Agricultural or CA-Storage.

Co2 Measurement

Sensing Method NDIR (Non-dispersive Infrared)
Measurement Range 0 to 2,000 / 3,000 / 5,000 / 10,000ppm
(Jumper selectable) (2%/3%/5%/7% are available)
Accuracy ±30ppm ±5%
Response Time(90%) 150 seconds
Sampling Interval 3 sec

3 Wire Gas Transmitter
  • Measurement Range : 0~2,000ppm (3k,5k,10k / 2%,3%,5%,7% is optional)
  • Accuracy : 5% ±30ppm of reading
  • Input Power : 3wired 24VDC ± 20%
  • Output : 4~20mA (default), 0~20/0~10/2~10V selectable with switch