esthw50vm – temp rh wall tx voltage output with com

Why Choose the Carlo Gavazzi ESTHW50VM Temperature and Relative Humidity Transmitter?

The Carlo Gavazzi ESTHW50VM is a reliable wall-mounted temperature and relative humidity transmitter designed for environmental monitoring in HVAC, building automation and industrial control applications. As part of the Carlo Gavazzi EST environmental sensor series, it combines temperature and humidity measurement in a single compact unit, providing an efficient solution for monitoring indoor environmental conditions.

The ESTHW50VM provides 0–10 V analogue voltage outputs together with integrated RS485 Modbus communication, enabling straightforward integration with PLCs, HVAC controllers and building management systems. The transmitter measures temperature across a 0–50 °C range and relative humidity across the full 0–100% RH range, making it suitable for a wide variety of commercial and industrial environments.

Designed specifically for wall mounting, the ESTHW50VM operates from a flexible 8–35 V DC or 12–30 V AC supply. Its robust IP65 housing, screw-terminal electrical connections and compact construction provide dependable installation in environmental control applications where continuous temperature and humidity measurements are required.

Key Advantages

• Combined temperature and relative humidity transmitter reduces the need for separate sensors.
• Measures relative humidity across the complete 0–100% RH range.
• 0–50 °C temperature measurement range is ideal for indoor environmental monitoring.
• 0–10 V analogue outputs provide straightforward integration with standard controllers.
• Integrated RS485 Modbus communication supports digital building and industrial automation networks.
• High humidity measurement accuracy of ±2% RH at 20 °C.
• Robust IP65 housing provides dependable protection in demanding installations.
• Flexible 8–35 V DC or 12–30 V AC power supply simplifies system integration.

Key Features

• Carlo Gavazzi EST temperature and environmental sensor series.
• Combined temperature and relative humidity measurement.
• 0–50 °C temperature measuring range.
• 0–100% RH relative humidity measuring range.
• ±2% RH humidity accuracy at 20 °C.
• Temperature accuracy of ±0.15 °C + 0.002 °C × actual temperature.
• 0–10 V analogue voltage output.
• RS485 Modbus communication.
• Designed specifically for wall mounting.
• 8–35 V DC or 12–30 V AC supply voltage.
• IP65 transmitter housing.
• IP20 sensing element.
• Screw-terminal electrical connections for convenient wiring.
• Version without integrated display.

Reliable Temperature and Humidity Monitoring

Temperature and relative humidity are important environmental parameters in HVAC, building management and industrial control systems. Continuous monitoring allows ventilation, heating, cooling and humidity-control equipment to respond to changing conditions, helping maintain suitable indoor environments while supporting efficient operation.

The ESTHW50VM combines standard 0–10 V analogue signalling with RS485 Modbus communication, providing flexibility for both conventional analogue installations and modern digital automation networks. Its wall-mounted format and full-range humidity measurement make it particularly suitable for offices, commercial buildings, clean rooms, warehouses and controlled industrial environments.

Typical Applications

• HVAC temperature and humidity monitoring.
• Building management systems.
• Commercial offices and public buildings.
• Clean rooms and controlled environments.
• Warehouses and storage facilities.
• Factories and manufacturing environments.
• Environmental monitoring and control systems.
• Heating, cooling and ventilation control.
• PLC-based temperature and humidity monitoring.