Carlo Gavazzi ESCO2D5A duct-mounted CO2 transmitter with 0–5000 ppm NDIR measurement and 4–20 mA current output for HVAC and environmental monitoring applications.
The Carlo Gavazzi ESCO2D5A is a reliable duct-mounted CO2 transmitter designed for accurate carbon dioxide monitoring in HVAC systems, ventilation equipment and industrial environmental control applications. Part of the Carlo Gavazzi ESCO2 environmental sensor series, it provides precise CO2 measurement using advanced NDIR technology with a 4–20 mA analogue output for easy integration into automation systems.
This transmitter is designed to monitor air quality within ventilation ducts and provide dependable feedback for HVAC control and environmental management systems. Its compact housing, simple installation method and stable sensing performance make it suitable for a wide range of building and industrial applications.
With a 0–5000 ppm CO2 measuring range, 4–20 mA current output and duct mounting configuration, the ESCO2D5A provides accurate air quality monitoring for ventilation systems, buildings, greenhouses and industrial environmental applications.
The Carlo Gavazzi ESCO2D5A measures carbon dioxide concentration in ventilation systems to provide accurate information for air quality management and HVAC optimisation. By monitoring CO2 levels, automated systems can regulate ventilation efficiency while maintaining suitable environmental conditions.
The ESCO2 series is designed for engineers requiring dependable CO2 sensing, simple installation and reliable analogue communication for building and industrial automation systems.
| Current | 5 A |
|---|---|
| Manufacturer | Carlo Gavazzi |
| Series | ESCO2 |
| Model | ESCO2D5A |
| Product type | CO2 environmental transmitter |
| Mounting type | Duct mounting |
| Sensor technology | Non-Dispersive Infrared (NDIR) |
| CO2 measuring range | 0–5000 ppm |
| Output signal | 4–20 mA |
| Supply voltage | 12–36 V DC / 24 V AC ±10% |
| Protection rating | IP64 |
| Accuracy | ±50 ppm + 3% of measured value |
| Signal connection | 3-wire |
| Electrical connection | M12 connector |
| Operating temperature | 0 to +50 °C |
| Storage temperature | -20 to +60 °C |
| Housing material | PC fire-resistant class PC-110 |
| Weight | approx. 126 g |
The ESCO2D5A is used for measuring CO2 concentration in ventilation ducts, HVAC systems and environmental monitoring applications.
The transmitter measures carbon dioxide concentrations from 0 to 5000 ppm.
The ESCO2D5A provides a 4–20 mA current output for connection to control and automation systems.
The transmitter uses Non-Dispersive Infrared (NDIR) technology for stable and accurate CO2 measurement.
The ESCO2D5A is designed for duct mounting in HVAC systems, ventilation equipment and environmental control installations.
Carlo Gavazzi environmental sensors provide accurate CO2 monitoring solutions for HVAC control, building automation and industrial environmental management systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...