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estdd50am – temp dew point duct tx current output with com
Carlo Gavazzi ESTDD50AM duct-mounted temperature and dew point transmitter with -40 to 100 °C temperature measurement, 4–20 mA output and RS485 Modbus communication.
Why Choose the Carlo Gavazzi ESTDD50AM Temperature & Dew Point Transmitter?
The Carlo Gavazzi ESTDD50AM is a high-performance duct-mounted temperature and dew point transmitter designed for accurate environmental monitoring in HVAC systems, air handling equipment and industrial ventilation applications. Part of the Carlo Gavazzi EST environmental sensor series, it combines precision temperature measurement with dew point monitoring and reliable 4–20 mA analogue output with RS485 Modbus communication.
This transmitter provides dependable measurement of air temperature and dew point conditions inside ventilation ducts, helping engineers optimise climate control, humidity management and environmental processes. Its compact duct mounting design, robust housing and flexible communication options allow straightforward integration into building management systems and automation networks.
With a -40 to +100 °C temperature measuring range, -40 to +60 °C dew point range, 4–20 mA current output and RS485 Modbus communication, the ESTDD50AM is suitable for HVAC monitoring, clean rooms, factories, laboratories and industrial environmental control systems.
Key Advantages
- Combined temperature and dew point monitoring in one compact transmitter.
- Duct-mounted design for HVAC and ventilation installations.
- -40 to +100 °C temperature measuring range for demanding applications.
- -40 to +60 °C dew point measurement range for humidity control.
- 4–20 mA current output for reliable industrial signal transmission.
- RS485 Modbus communication for easy integration with automation systems.
Key Features
- Carlo Gavazzi EST environmental sensor series.
- Temperature and dew point transmitter configuration.
- Duct mounting installation.
- 4–20 mA analogue output.
- RS485 Modbus communication interface.
- Temperature measurement range: -40 to +100 °C.
- Dew point measurement range: -40 to +60 °C.
- Capacitive humidity sensor and PT1000 temperature sensing technology.
- Compact PC fire-resistant housing.
Reliable Temperature and Dew Point Monitoring for HVAC Systems
The Carlo Gavazzi ESTDD50AM measures temperature and dew point conditions to provide accurate feedback for ventilation control, humidity management and environmental monitoring applications. By combining analogue current output with Modbus communication, it enables efficient connection to PLCs, controllers and building management systems.
The EST series is designed for engineers requiring accurate environmental sensing, simple installation and dependable operation in HVAC, industrial and laboratory environments.
Typical Applications
- HVAC duct temperature monitoring.
- Air conditioning and ventilation control systems.
- Clean room environmental monitoring.
- Factory and industrial climate control.
- Laboratory environmental monitoring.
- Building automation systems.
Technical Specifications
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| Coil / Supply Voltage | 8–35 V DC | |
|---|---|---|
| IP Rating | IP20, IP65 | |
| Connection | Cable | |
| Manufacturer | Carlo Gavazzi | |
| Series | EST | |
| Model | ESTDD50AM | |
| Product type | Temperature and dew point transmitter | |
| Mounting type | Duct mounting | |
| Temperature measuring range | -40 to +100 °C | |
| Dew point measuring range | -40 to +60 °C | |
| Humidity measuring range | 0–100% RH | |
| Output signal | 4–20 mA | |
| Communication | RS485 Modbus | |
| Supply voltage | 8–35 V DC / 12–30 V AC | |
| Protection rating | IP65 body / IP20 probe | |
| Temperature accuracy | ±0.15 °C + 0.002 °C × t actual | |
| Humidity accuracy | ±2% RH | |
| Signal connection | 3-wire | |
| Electrical connection | Cable gland | |
| Operating temperature | -20 to +60 °C housing | |
| Housing material | PC fire-resistant class PC-110 | |
| Weight | approx. 164 g |
Frequently Asked Questions
What is the Carlo Gavazzi ESTDD50AM used for?
The ESTDD50AM is used for measuring temperature and dew point conditions in HVAC ducts, ventilation systems and environmental monitoring applications.
What temperature range can this transmitter measure?
The transmitter measures temperature from -40 to +100 °C.
What dew point range can the ESTDD50AM measure?
The ESTDD50AM measures dew point from -40 to +60 °C.
What output does the ESTDD50AM provide?
The transmitter provides a 4–20 mA current output together with RS485 Modbus communication.
Where is this temperature and dew point transmitter installed?
The ESTDD50AM is designed for duct mounting in HVAC systems, air handling units and industrial ventilation applications.
Trusted by HVAC and Automation Engineers Worldwide
Carlo Gavazzi environmental sensors provide accurate temperature and dew point monitoring solutions for HVAC control, industrial automation and environmental management systems.
