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escod3am – co 300ppm duct transmitter current output with com
Carlo Gavazzi ESCOD3AM CO 300 ppm duct transmitter with 4-20 mA output and RS485 Modbus communication for HVAC and industrial air quality monitoring systems.
Why Choose the Carlo Gavazzi ESCOD3AM CO 300 ppm Duct Transmitter?
The Carlo Gavazzi ESCOD3AM is a reliable carbon monoxide (CO) duct transmitter designed for accurate air quality monitoring in HVAC, ventilation and industrial environmental control systems. Part of the Carlo Gavazzi ESCO sensor series, this transmitter combines an electrochemical CO sensing element with analogue current output and RS485 Modbus communication for straightforward integration into modern building automation systems.
Designed for air duct mounting, the ESCOD3AM provides continuous measurement of carbon monoxide concentrations and delivers dependable monitoring performance in applications where ventilation control and indoor air quality management are critical. Its compact IP65 housing and flexible power supply options make it suitable for professional HVAC installations.
With a 0–300 ppm CO measuring range, 4–20 mA analogue output and RS485 Modbus communication, the ESCOD3AM enables accurate CO detection and easy connection to controllers, PLC systems and building management platforms.
Key Advantages
- Carbon monoxide transmitter designed for duct mounting in HVAC and ventilation systems.
- 0–300 ppm CO measurement range for reliable air quality monitoring.
- 4–20 mA current output for compatibility with industrial controllers and automation systems.
- Integrated RS485 Modbus communication for digital system integration.
- Electrochemical sensing technology provides accurate CO detection.
- Compact enclosure with robust protection for demanding environments.
Key Features
- Carlo Gavazzi ESCO environmental sensor series.
- Carbon monoxide (CO) sensing technology.
- 0–300 ppm measuring range.
- 4–20 mA analogue output.
- RS485 Modbus communication interface.
- 8–35 V DC or 12–30 V AC supply voltage.
- Electrochemical sensor element for CO measurement.
- Air duct mounting design.
- IP65 plastic housing with IP20 sensing element protection.
- M12 connector connection system.
Reliable CO Monitoring for HVAC and Industrial Systems
Carbon monoxide monitoring is essential in enclosed environments where combustion processes, vehicle emissions or industrial activities may affect air quality. The Carlo Gavazzi ESCOD3AM continuously measures CO concentration levels and provides reliable feedback for ventilation control and safety management systems.
The ESCO series transmitters are designed for integration into modern automation networks. With analogue output and Modbus communication, the ESCOD3AM allows engineers to connect environmental data directly to building management systems, controllers and industrial monitoring platforms.
Typical Applications
- HVAC ventilation monitoring systems.
- Car park carbon monoxide detection systems.
- Industrial air quality monitoring.
- Building management systems (BMS).
- Commercial ventilation control.
- Automation and environmental monitoring installations.
Technical Specifications
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| Coil / Supply Voltage | 8–35 V DC | |
|---|---|---|
| Output Type | Analogue | |
| Connection | M12 connector | |
| Manufacturer | Carlo Gavazzi | |
| Series | ESCO Environmental Sensors | |
| Model | ESCOD3AM | |
| Product type | Carbon monoxide duct transmitter | |
| Sensor type | Electrochemical CO sensor | |
| Measuring range | 0–300 ppm CO | |
| Output | 4–20 mA analogue output | |
| Communication | RS485 Modbus | |
| Supply voltage | 8–35 V DC / 12–30 V AC | |
| Operating temperature | 0 to +50 °C | |
| Housing protection | IP65 | |
| Sensing element protection | IP20 | |
| Mounting type | Air duct mounting | |
| Connection | M12 connector | |
| Dimensions (W × H × D) | approx. 80 × 80 × 38 mm |
Frequently Asked Questions
What is the Carlo Gavazzi ESCOD3AM used for?
The ESCOD3AM is used for measuring carbon monoxide concentration in air ducts and providing monitoring signals for HVAC and automation systems.
What CO measurement range does the ESCOD3AM support?
The transmitter measures carbon monoxide concentrations from 0–300 ppm.
What output signal does the ESCOD3AM provide?
The ESCOD3AM provides a 4–20 mA current output along with RS485 Modbus communication.
What power supply is required?
The transmitter operates from an 8–35 V DC or 12–30 V AC supply.
Where is the ESCOD3AM installed?
The transmitter is designed for installation in air duct systems used for HVAC and industrial environmental monitoring applications.
Trusted by Automation and HVAC Professionals Worldwide
Carlo Gavazzi ESCO environmental sensors are trusted by engineers and system integrators for accurate air quality monitoring, reliable communication and seamless integration into modern automation systems.
