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esthd50vm – temp rh duct tx voltage output with com
Carlo Gavazzi ESTHD50VM is a duct-mounted temperature and relative humidity transmitter with a -40 to +100 °C temperature range, 0–100% RH range, 0–10 V analogue outputs and RS485 Modbus communication for HVAC and building automation applications.
Why Choose the Carlo Gavazzi ESTHD50VM Temperature and Humidity Duct Transmitter?
The Carlo Gavazzi ESTHD50VM is a professional duct-mounted temperature and relative humidity transmitter designed for HVAC, building automation and environmental monitoring applications. It combines temperature and humidity measurement in a single unit, providing accurate environmental data directly from ventilation ducts and air-handling systems.
The ESTHD50VM measures temperature across a wide -40 to +100 °C range and relative humidity from 0–100% RH. It provides 0–10 V analogue outputs, allowing the measured variables to be connected to compatible HVAC controllers, PLCs and building management systems.
In addition to its analogue outputs, the ESTHD50VM incorporates RS485 Modbus communication for integration with networked automation systems. The transmitter operates from 8–35 V DC or 12–30 V AC, features an IP65 housing and is designed specifically for reliable air-duct environmental monitoring.
Key Advantages
- Combines temperature and relative humidity measurement in one duct-mounted transmitter.
- Wide -40 to +100 °C temperature measuring range.
- Measures relative humidity across 0–100% RH.
- 0–10 V analogue outputs for straightforward integration with compatible control systems.
- Integrated RS485 Modbus communication for networked HVAC and building automation.
- Flexible 8–35 V DC or 12–30 V AC power supply.
- IP65 housing protection for dependable installation in ventilation systems.
Key Features
- Carlo Gavazzi EST series environmental transmitter.
- Measures temperature and relative humidity.
- Designed for air-duct mounting.
- -40 to +100 °C temperature measuring range.
- 0–100% RH humidity measuring range.
- 0–10 V analogue voltage outputs.
- Integrated RS485 Modbus communication.
- 8–35 V DC or 12–30 V AC supply.
- IP65 transmitter housing.
- IP20 sensing element protection.
- Transmitter operating temperature range of -20 to +60 °C.
- Suitable for HVAC, ventilation and building automation systems.
Reliable Temperature and Humidity Monitoring for HVAC Automation
Temperature and relative humidity are key parameters in the control of ventilation, heating, cooling and air-conditioning systems. The ESTHD50VM measures both variables directly within an air duct, allowing HVAC controllers and building management systems to monitor the condition of circulated air and respond to changing environmental requirements.
The combination of 0–10 V analogue outputs and RS485 Modbus communication provides flexible integration with both conventional analogue controllers and networked automation systems. Its wide temperature range makes the transmitter suitable for a broad variety of air-handling and environmental monitoring applications.
Typical Applications
- HVAC temperature and humidity monitoring.
- Air-handling units.
- Ventilation and air-conditioning systems.
- Building management systems.
- Heating and cooling control systems.
- Commercial and industrial buildings.
- Environmental monitoring systems.
- Building automation and energy management applications.
Technical Specifications
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | EST |
| Model | ESTHD50VM |
| Product type | Temperature and relative humidity duct transmitter |
| Measured variables | Temperature and relative humidity |
| Mounting | Air duct |
| Temperature measuring range | -40 to +100 °C |
| Relative humidity measuring range | 0–100% RH |
| Analogue output | 0–10 V |
| Digital communication | RS485 Modbus |
| Power supply | 8–35 V DC or 12–30 V AC |
| Housing protection rating | IP65 |
| Sensing element protection rating | IP20 |
| Operating temperature | -20 to +60 °C |
| Transmitter housing dimensions | 80 × 80 × 38 mm |
Frequently Asked Questions
What does the Carlo Gavazzi ESTHD50VM measure?
The ESTHD50VM measures temperature and relative humidity within air ducts, making it suitable for HVAC, ventilation and building automation applications.
What is the temperature range of the ESTHD50VM?
The Carlo Gavazzi ESTHD50VM has a wide temperature measuring range of -40 to +100 °C.
What is the humidity range of the ESTHD50VM?
The ESTHD50VM measures relative humidity across a range of 0–100% RH.
What output and communication does the ESTHD50VM provide?
The transmitter provides 0–10 V analogue outputs and incorporates RS485 Modbus communication for integration with compatible HVAC controllers and building management systems.
What power supply does the ESTHD50VM require?
The ESTHD50VM operates from an 8–35 V DC or 12–30 V AC power supply, providing flexible integration into HVAC and building automation installations.
Trusted by Building and Automation Professionals
Carlo Gavazzi EST environmental transmitters provide dependable temperature and humidity monitoring for HVAC engineers, building automation specialists and system integrators requiring flexible analogue and Modbus connectivity for ventilation and environmental control systems.
