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esco2d2am – co2 2000ppm duct tx current output with com
Carlo Gavazzi ESCO2D2AM is a duct-mounted NDIR CO2 transmitter with a 0–2000 ppm measuring range, 4–20 mA analogue output and RS485 Modbus communication for HVAC and building automation systems.
Why Choose the Carlo Gavazzi ESCO2D2AM CO2 Duct Transmitter?
The Carlo Gavazzi ESCO2D2AM is a duct-mounted carbon dioxide transmitter designed for accurate indoor air-quality monitoring in HVAC, ventilation and building automation systems. It uses non-dispersive infrared (NDIR) CO2 sensing technology to provide dependable carbon dioxide measurement directly within an air duct.
The ESCO2D2AM provides a 0–2000 ppm CO2 measuring range and a standard 4–20 mA analogue output, allowing straightforward connection to HVAC controllers, PLCs and building management systems. Integrated RS485 Modbus communication also enables digital transmission of measurement data to compatible automation equipment.
Designed specifically for air-duct mounting, the ESCO2D2AM operates from 12–36 V DC or 24 V AC. Its IP65 plastic housing, M12 electrical connection and combination of analogue and digital communication make it a versatile solution for ventilation control and demand-controlled ventilation applications.
Key Advantages
- Reliable NDIR carbon dioxide measurement for ventilation and indoor air-quality monitoring.
- 0–2000 ppm measuring range suited to building and HVAC applications.
- Standard 4–20 mA analogue output simplifies connection to control equipment.
- Integrated RS485 Modbus communication provides digital system integration.
- Duct-mounted configuration measures CO2 concentration directly within the airflow.
- IP65 housing provides robust protection for the transmitter electronics.
Key Features
- Carlo Gavazzi ESCO2 CO2 transmitter.
- Non-dispersive infrared (NDIR) sensing technology.
- 0–2000 ppm CO2 measuring range.
- 4–20 mA analogue output.
- RS485 Modbus communication.
- 12–36 V DC or 24 V AC power supply.
- Purpose-designed for air-duct mounting.
- IP65 plastic housing.
- M12 plug connection.
- Suitable for HVAC, ventilation and building automation systems.
Reliable CO2 Monitoring for Ventilation and Building Automation
Carbon dioxide concentration is an important indicator of indoor air quality and occupancy levels. By continuously monitoring CO2 within ventilation ductwork, the Carlo Gavazzi ESCO2D2AM can provide the measurement data required by a building management or HVAC control system to regulate fresh-air delivery and maintain appropriate ventilation.
The combination of 4–20 mA output and RS485 Modbus communication gives system designers flexibility when integrating the ESCO2D2AM. The analogue signal supports conventional controllers and PLC inputs, while Modbus communication enables digital integration with compatible building management and supervisory control systems.
Typical Applications
- HVAC carbon dioxide monitoring.
- Demand-controlled ventilation systems.
- Building management systems.
- Commercial ventilation and air-handling equipment.
- Indoor air-quality monitoring.
- Office, educational and public-building ventilation systems.
- Industrial environmental monitoring.
Technical Specifications
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| Connection | M12 connector | |
|---|---|---|
| Manufacturer | Carlo Gavazzi | |
| Series | ESCO2 | |
| Model | ESCO2D2AM | |
| Product type | CO2 duct transmitter | |
| Measured parameter | Carbon dioxide (CO2) | |
| Sensing principle | Non-dispersive infrared (NDIR) | |
| Mounting | Air duct | |
| CO2 measuring range | 0–2000 ppm | |
| Analogue output | 4–20 mA | |
| Communication | RS485 Modbus | |
| Power supply | 12–36 V DC or 24 V AC | |
| Operating temperature | 0–50 °C | |
| Housing material | Plastic | |
| Housing protection | IP65 | |
| Sensing element protection | IP20 | |
| Connection type | M12 plug | |
| Housing dimensions | 80 × 80 × 38 mm |
Frequently Asked Questions
What is the Carlo Gavazzi ESCO2D2AM used for?
The ESCO2D2AM is a duct-mounted CO2 transmitter designed to measure carbon dioxide concentration in HVAC, ventilation, building automation and indoor air-quality monitoring systems.
What is the CO2 measuring range of the ESCO2D2AM?
The Carlo Gavazzi ESCO2D2AM measures carbon dioxide concentrations across a 0–2000 ppm range.
What analogue output does the ESCO2D2AM provide?
The transmitter provides a standard 4–20 mA analogue output for connection to compatible HVAC controllers, PLCs and building management equipment.
Does the ESCO2D2AM support Modbus communication?
Yes. The ESCO2D2AM includes RS485 Modbus communication, allowing CO2 measurement data to be transmitted digitally to compatible automation and building management systems.
What power supply does the ESCO2D2AM require?
The ESCO2D2AM can operate from a 12–36 V DC or 24 V AC supply, providing flexibility for HVAC and building automation installations.
Trusted for HVAC and Indoor Air-Quality Monitoring
Carlo Gavazzi environmental transmitters provide HVAC specialists, building automation engineers and system integrators with dependable sensing solutions for monitoring carbon dioxide levels and supporting effective ventilation control in commercial and industrial environments.
