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esavtr20adm – air velocity temp remote tx current output with
Carlo Gavazzi ESAVTR20ADM remote air velocity and temperature transmitter with 20 m/s airflow range, 4-20 mA outputs, RS485 Modbus communication and LCD display for HVAC and automation systems.
Why Choose the Carlo Gavazzi ESAVTR20ADM Air Velocity and Temperature Transmitter?
The Carlo Gavazzi ESAVTR20ADM is an advanced remote-mount air velocity and temperature transmitter designed for accurate airflow monitoring in HVAC systems, building automation and environmental control applications. Part of the Carlo Gavazzi ESAVT environmental sensor series, it combines air velocity measurement, temperature monitoring, an LCD display and RS485 Modbus communication for flexible system integration.
The ESAVTR20ADM measures air velocity up to 20 m/s and temperature from 0 to 50 °C, providing two 4–20 mA analogue outputs for integration with controllers, PLCs and building management systems. Its remote probe design allows accurate measurement at the required airflow location while keeping the transmitter enclosure accessible.
With a 4–20 mA current output, RS485 Modbus communication, integrated LCD display, 8–35 V DC / 12–30 V AC supply and IP54 protection, the ESAVTR20ADM provides a reliable solution for ventilation monitoring, cleanroom control and HVAC process applications.
Key Advantages
- Combined air velocity and temperature measurement in one transmitter.
- 0–20 m/s airflow measurement range for HVAC and ventilation applications.
- Remote probe mounting enables flexible installation in ducts and airflow systems.
- 4–20 mA analogue outputs provide simple connection to automation controllers.
- RS485 Modbus communication enables integration into digital monitoring systems.
- Integrated LCD display provides local indication of measured values.
- Suitable for HVAC processes, environmental control and cleanroom applications.
- Compact design simplifies installation and commissioning.
Key Features
- Carlo Gavazzi ESAVT environmental sensor series.
- Remote air velocity and temperature transmitter.
- 20 m/s maximum air velocity measuring range.
- 0–50 °C temperature measurement range.
- 4–20 mA analogue output.
- RS485 Modbus RTU communication.
- LCD display with backlight.
- PT1000 temperature sensing element.
- 8–35 V DC / 12–30 V AC power supply.
- 2 m remote probe cable.
- Thermal air velocity measurement principle.
- Polarity, overvoltage and short-circuit protection.
- IP54 protection rating.
Reliable Airflow and Temperature Monitoring for HVAC Systems
Air velocity transmitters such as the Carlo Gavazzi ESAVTR20ADM provide continuous measurement of airflow conditions, helping HVAC and building automation systems maintain efficient ventilation, environmental stability and accurate process control.
The remote probe configuration allows measurement directly at the airflow point while the transmitter remains accessible for configuration and display monitoring. With analogue outputs and Modbus communication, the ESAVTR20ADM integrates easily into modern BMS, PLC and industrial monitoring systems.
Typical Applications
- HVAC airflow monitoring systems.
- Building management systems (BMS).
- Air handling units and ventilation equipment.
- Cleanroom environmental monitoring.
- Laminar flow control systems.
- Industrial ventilation monitoring.
- Energy management systems.
- Environmental process control applications.
Technical Specifications
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| Coil / Supply Voltage | 8–35 V DC | |
|---|---|---|
| IP Rating | IP54 | |
| Connection | Terminals | |
| Manufacturer | Carlo Gavazzi | |
| Series | ESAVT Environmental Sensors | |
| Model | ESAVTR20ADM | |
| Product type | Air velocity and temperature transmitter | |
| Mounting type | Remote mounting | |
| Measured medium | Air | |
| Air velocity range | 0.2–20 m/s | |
| Temperature range | 0–50 °C | |
| Air velocity accuracy | ±3% of full scale | |
| Temperature accuracy | ±0.3 °C | |
| Outputs | 2 × 4–20 mA analogue outputs | |
| Communication | RS485 Modbus RTU | |
| Display | LCD display with backlight | |
| Supply voltage | 8–35 V DC / 12–30 V AC | |
| Electrical connection | Screw terminals | |
| Probe cable length | 2 m | |
| Operating temperature | 0 °C to +50 °C | |
| Storage temperature | -20 °C to +60 °C | |
| Protection rating | IP54 |
Frequently Asked Questions
What is the Carlo Gavazzi ESAVTR20ADM used for?
The ESAVTR20ADM is used to measure air velocity and temperature in HVAC, ventilation, cleanroom and building automation systems.
What airflow range does the ESAVTR20ADM measure?
The transmitter measures air velocity from 0.2 to 20 m/s.
What outputs does the ESAVTR20ADM provide?
The ESAVTR20ADM provides 4–20 mA analogue outputs and RS485 Modbus communication for system integration.
Does the ESAVTR20ADM include a display?
Yes. The ESAVTR20ADM includes an LCD display with backlight showing measured airflow and temperature values.
Is the ESAVTR20ADM a remote sensor version?
Yes. The ESAVTR20ADM is a remote-mount transmitter with a separate probe connected by cable.
Trusted by Building Automation Professionals Worldwide
Carlo Gavazzi environmental sensors are widely used in HVAC and industrial automation systems to provide accurate environmental measurements, flexible communication options and dependable integration with modern control platforms.
