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esthwvm – temperature humidity & co2 wall transmitter
Carlo Gavazzi ESTHWVM is a wall-mounted temperature and relative humidity transmitter with 0–10 V analogue outputs and RS485 Modbus communication for HVAC and building automation systems.
Why Choose the Carlo Gavazzi ESTHWVM Temperature and Humidity Wall Transmitter?
The Carlo Gavazzi ESTHWVM is a wall-mounted temperature and relative humidity transmitter designed for HVAC, building automation and indoor environmental monitoring applications. Part of the Carlo Gavazzi EST environmental sensor range, it combines temperature and humidity measurement in a compact housing for convenient installation within occupied indoor spaces.
The ESTHWVM provides 0–10 V analogue outputs for integration with compatible HVAC controllers and building management systems. It also incorporates RS485 Modbus communication, providing a flexible digital interface for monitoring environmental conditions through modern building automation networks.
With a 0–50 °C temperature measuring range and 0–100% RH humidity range, the ESTHWVM provides the environmental measurements required for climate control, ventilation and energy-management applications. Its 8–35 V DC / 12–30 V AC supply and protected wall-mount housing support straightforward integration into commercial and industrial building systems.
Key Advantages
- Combined temperature and relative humidity monitoring in one wall-mounted transmitter.
- Wide 0–50 °C temperature measurement range.
- 0–100% RH humidity measurement range for comprehensive indoor environmental monitoring.
- 0–10 V analogue outputs for straightforward connection to HVAC and automation controllers.
- Integrated RS485 Modbus communication for digital building automation networks.
- Compact wall-mounted design suited to offices, commercial premises and industrial facilities.
Key Features
- Carlo Gavazzi EST environmental sensor range.
- Combined temperature and relative humidity transmitter.
- 0–50 °C temperature measurement range.
- 0–100% RH humidity measurement range.
- 0–10 V analogue output.
- Integrated RS485 Modbus communication.
- 8–35 V DC / 12–30 V AC power supply.
- IP54 housing for protected indoor installation.
- Compact wall-mounted construction for HVAC and building automation applications.
Reliable Temperature and Humidity Monitoring for Building Automation
Accurate temperature and relative humidity measurements are fundamental to maintaining comfortable and controlled indoor environments. The Carlo Gavazzi ESTHWVM combines both measurements in a single device, allowing HVAC and building automation systems to respond to changing environmental conditions while reducing the need for separate room sensors.
The 0–10 V analogue interface allows the transmitter to connect to conventional controller inputs, while RS485 Modbus communication provides digital access for compatible PLCs, HVAC controllers and building management systems. This combination makes the ESTHWVM a versatile solution for climate control, ventilation and energy-management installations.
Typical Applications
- HVAC and building automation systems.
- Indoor temperature and humidity monitoring.
- Heating, cooling and ventilation control.
- Office and commercial building climate control.
- Schools, public buildings and institutional facilities.
- Industrial and technical facility environmental monitoring.
Technical Specifications
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| Coil / Supply Voltage | 8–35 V DC | |
|---|---|---|
| Connection | M12 connector | |
| Manufacturer | Carlo Gavazzi | |
| Series | EST Environmental Sensors | |
| Model | ESTHWVM | |
| Product type | Temperature and relative humidity wall transmitter | |
| Measured variables | Temperature and relative humidity | |
| Mounting type | Wall mounting | |
| Temperature measuring range | 0–50 °C | |
| Relative humidity measuring range | 0–100% RH | |
| Analogue output | 0–10 V | |
| Communication | RS485 Modbus | |
| Supply voltage | 8–35 V DC / 12–30 V AC | |
| Housing protection rating | IP54 | |
| Sensing element protection | IP20 | |
| Operating temperature | 0–50 °C | |
| Connection | M12 plug | |
| Dimensions (W × H × D) | 140 × 80 × 38 mm |
Frequently Asked Questions
What does the Carlo Gavazzi ESTHWVM measure?
The ESTHWVM measures temperature and relative humidity, providing environmental data for HVAC, climate-control and building automation systems.
What are the measurement ranges of the ESTHWVM?
The transmitter measures temperature across 0–50 °C and relative humidity across 0–100% RH.
What type of output does the ESTHWVM provide?
The ESTHWVM provides 0–10 V analogue outputs and incorporates RS485 Modbus communication for integration with compatible automation systems.
What supply voltage does the ESTHWVM require?
The transmitter operates from an 8–35 V DC or 12–30 V AC supply, providing flexibility for HVAC and building automation installations.
Where is the Carlo Gavazzi ESTHWVM typically installed?
The ESTHWVM is designed for wall mounting in offices, commercial premises, schools, public buildings and other indoor environments requiring continuous temperature and humidity monitoring.
Trusted by Building Automation Professionals
Carlo Gavazzi environmental transmitters provide practical sensing and communication solutions for HVAC and building automation systems, helping integrators maintain controlled indoor environments while supporting efficient climate and ventilation management.
