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cgesco2tw2at04 – co2+t output 4-20ma
Carlo Gavazzi CGESCO2TW2AT04 CO2 and temperature transmitter with 4–20 mA output designed for indoor air quality monitoring and HVAC control applications.
Why Choose the Carlo Gavazzi CGESCO2TW2AT04 CO2 & Temperature Transmitter?
The Carlo Gavazzi CGESCO2TW2AT04 is a compact and reliable CO2 and temperature wall-mounted transmitter designed for accurate indoor air quality monitoring in HVAC, building automation and environmental control systems. As part of the Carlo Gavazzi CGESC02TW environmental sensor series, it combines CO2 measurement and temperature sensing in one easy-to-install device with an analogue 4–20 mA output.
This transmitter uses advanced Non-Dispersive Infrared (NDIR) technology for stable CO2 measurement and includes an auto-calibration function that compensates for sensor ageing, helping maintain long-term measurement accuracy. Its compact wall-mounted housing makes it suitable for integration into modern ventilation and climate control applications.
With a 0...2000 ppm CO2 measuring range, temperature measurement from 0...50 °C and a 4–20 mA analogue output, the CGESCO2TW2AT04 provides dependable monitoring data for automatic HVAC regulation, energy-efficient ventilation and indoor air quality management.
Key Advantages
- Compact CO2 and temperature transmitter for HVAC applications.
- NDIR CO2 sensing technology provides reliable and stable measurement.
- 0...2000 ppm CO2 measuring range for indoor air quality monitoring.
- 4–20 mA analogue output for easy connection to automation systems.
- Wall-mounted design simplifies installation in buildings and control environments.
- Auto-calibration function improves long-term sensor stability.
Key Features
- Carlo Gavazzi CGESC02TW environmental sensor series.
- CO2 + temperature measurement in a single transmitter.
- NDIR infrared CO2 measurement principle.
- 0...2000 ppm CO2 measuring range.
- 4–20 mA analogue output signal.
- Temperature scale 0...50 °C.
- Wall mounting installation format.
- Compact polycarbonate housing for indoor applications.
Reliable CO2 and Temperature Monitoring for HVAC Systems
The Carlo Gavazzi CGESCO2TW2AT04 continuously measures indoor carbon dioxide levels and temperature to support intelligent ventilation control. By providing accurate analogue feedback, the transmitter enables building management systems to adjust airflow and maintain comfortable indoor environments.
Designed for professional HVAC and automation installations, the CGESC02TW series offers dependable sensing performance, straightforward wiring and compatibility with a wide range of control systems used in commercial and industrial buildings.
Typical Applications
- Building ventilation and HVAC control systems.
- Indoor air quality monitoring.
- Commercial offices and public buildings.
- Schools, healthcare and residential facilities.
- Energy-efficient ventilation management.
- Building automation and environmental monitoring systems.
Technical Specifications
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| Coil / Supply Voltage | 15–35 V DC | |
|---|---|---|
| IP Rating | IP20 | |
| Connection | Terminals | |
| Manufacturer | Carlo Gavazzi | |
| Model | CGESCO2TW2AT04 | |
| Series | CGESC02TW Environmental Sensors | |
| Product type | CO2 and temperature transmitter | |
| Measurement principle | Non-Dispersive Infrared (NDIR) | |
| CO2 measuring range | 0...2000 ppm | |
| Temperature measuring range | 0...50 °C | |
| Output signal | 4–20 mA | |
| Mounting type | Wall mounting | |
| Supply voltage | 15...35 V DC / 24 V AC ±20% | |
| Power consumption | <3 W | |
| Protection rating | IP20 | |
| Housing material | Polycarbonate | |
| Electrical connection | Screw terminals up to 1.5 mm² |
Frequently Asked Questions
What is the Carlo Gavazzi CGESCO2TW2AT04 used for?
The transmitter measures indoor CO2 concentration and temperature for HVAC, ventilation and building automation applications.
What CO2 range does this transmitter measure?
The CGESCO2TW2AT04 measures CO2 concentrations from 0...2000 ppm.
What output signal does the CGESCO2TW2AT04 provide?
This model provides a 4–20 mA analogue output for connection to automation and control systems.
How does the sensor measure CO2?
The transmitter uses Non-Dispersive Infrared (NDIR) technology to measure carbon dioxide concentration accurately.
Where is this transmitter installed?
The CGESCO2TW2AT04 is designed for wall-mounted indoor installation in HVAC and environmental monitoring systems.
Trusted for Building Automation Applications
Carlo Gavazzi environmental sensors are widely used by HVAC engineers and automation professionals to provide reliable indoor air quality monitoring and efficient climate control.
