ACE Carbon Dioxide (CO2) Transmitter (AI-CO2-DT/AI-CO2-T)


Ace Instruments Carbon Dioxide Transmitters are designed for Indoor Air Quality monitoring and controlling in industrial and commercial buildings as well as supply exhaust and return air monitoring in demand control ventilation.

Features :

High performance NDIR sensors & circuits, ensure accurate measurement and temperature compensation.

Long term stability and reliability with 15 years of sensor life.

Digital technology, multiple selectable analog outputs.

Optional features like relay output, in-built buzzer alarm and RS 485 Modbus communication.

Option of transmitter without display (please select AI-CO2-T)

Specifications :



Ace Instruments



AI-CO2-DT with display/ AI-CO2-T without display


0-2000ppm/ 0-5000ppm (selected at the time of ordering)



At 400-5000 ppm +/- 30 ppm +/- 3% of reading At 400-2000 ppm +/- 25 ppm +/-3%ppm



4-20mA/0-10 VDC(user field selectable)



LCD Display (Optional)

Operating Conditions


-10 to +50°C (14°F to 140°F) 0 to 95% RH, non condensing

Storage Conditions


-10 to +60°C

Calibration Interval


Not required

Response Time


<3 minutes for 90% step change

Warm Up time


<2 minutes (optional)/10 minutes max. accuracy

Power Supply


24 VDC, 200 mA



Optional 1 No. Relay Output (NO/CO/NC) rated 2 Amps

Buzzer Alarm


Optional In Built Buzzer low or high level Alarm

Instrument Housing


ABS Plastic Wall Mounting Enclosure



(Optional) RS485 Modbus Communication



100(H)X 85(W)X 25(D)mm

Note: For more detailed specifications, please download the additonal documents Download PDF

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