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The Polwax RHT150 DM Temperature & Humidity Transmitter is a reliable and high-precision device designed for monitoring environmental conditions in HVAC systems, cleanrooms, industrial applications, and more. 

Temperature-Humidity Transmitter
Polwax RHT 150DM
Part Code. 0397
  • Without Display
  • Modbus RTU RS485
  • Duct mounted
  • Excellent linearity
  • Wide sensing range
  • Good long term stability

The Polwax RHT150 DM Temperature & Humidity Transmitter is a reliable and high-precision device designed for monitoring environmental conditions in HVAC systems, cleanrooms, industrial applications, and more. This duct-mount transmitter features advanced sensing technology, robust construction, and flexible output options, making it a versatile choice for demanding applications.

The Polwax RHT150 DM is supplied as a comprehensive package that includes a calibration certificate, user-friendly GUI software, an SS adaptor, and a detailed user manual. This ensures that users have all the tools and documentation needed for smooth installation and operation. Whether you are managing HVAC systems, maintaining optimal conditions in a cleanroom, or ensuring precise environmental control in industrial processes.

Product Overview

The Polwax RHT 150DM Temperature & Humidity Transmitter is a duct-type transmitter engineered to deliver accurate and reliable environmental monitoring for a wide range of industrial and commercial applications. Designed with precision and durability in mind, it combines advanced sensing technology with a robust stainless steel sensor and filter to ensure optimal performance even in demanding conditions. The transmitter measures temperature within a range of -40°C to 85°C and relative humidity from 0% to 100%, with exceptional accuracy of ±0.4°C for temperature and ±1.8% RH for humidity.

The transmitter offers multiple output options, including 4-20 mA and RS485 with MODBUS RTU protocol, ensuring compatibility with modern automation systems. For applications requiring additional flexibility, an optional 0-10 V output is available. Its duct-mount design and IP54-rated enclosure make it ideal for use in HVAC systems, cleanrooms, pharmaceutical facilities, and industrial process control, where precise and stable environmental monitoring is crucial.

One of the standout features of the Polwax RHT 150DM is its intuitive GUI software, which allows users to easily select and configure measurement ranges, streamlining setup and operation. The transmitter’s stainless steel sensor, with a length of 150 mm and a robust SS filter, is designed to withstand challenging environments while ensuring accurate data collection over time. Powered by a 24 VDC supply, the device is built to integrate seamlessly into existing systems, offering long-term reliability and low maintenance requirements.

The Polwax RHT 150DM is supplied as a comprehensive package that includes a calibration certificate, user-friendly GUI software, an SS adaptor, and a detailed user manual. This ensures that users have all the tools and documentation needed for smooth installation and operation. Whether you are managing HVAC systems, maintaining optimal conditions in a cleanroom, or ensuring precise environmental control in industrial processes, the Polwax RHT150 DM is the ideal choice for achieving high performance and reliability in temperature and humidity monitoring.

Find More

Please download our document to see specific data of the service and how we work.

Technical Data

Media compatibility

Air, non combustible, non corrosive gases

Model No

RHT150 DM

RHT150 DM

RHT150 DM (HT)

RHT150 DM (HT+HA)

Part Code

0397 2030

0397 2031

0397 2032

0397 2033

Full Range

T: -40 to 85 °C
RH: 0-100%

T: 0 to 100 °C
RH: 0-100%

T: -40 to 125 °C
RH: 0-100%

T: -40 to 125 °C
RH: 0-100%

Accurary

T: 0.4 °C
RH: 1.8%

T: 0.4 °C
RH: 1.8%

T: 0.4 °C
RH: 1.8%

T: 0.1 °C
RH: 0.8%

Display

Without Display

Channels

Temperature & Humidity

SS Sensor Length

150mm

Dimensions

75 x 35 x 75 mm

Protection Class

IP54

Mounting

Duct Mount

Language

English

Supply Voltage

24VDC

Output

4-20mA, RS485 MODBUS RTU

Output

0-10V (Optional)

Color

White Grey

Scope Of Supply

Calibration Certificate , GUI Software, Manual

Sensors

Precision Measurement Sensors

Equipped with high-accuracy sensors, the Polwax RHT ensures precise readings of both temperature and humidity, making it ideal for environments where accurate climate control is critical, such as pharmaceutical storage and clean rooms.

Fast Response Time

The sensors in the Polwax RHT are designed for rapid response, capturing temperature and humidity changes within seconds. This feature allows for real-time monitoring and swift adjustments to environmental conditions, ensuring optimal performance in sensitive applications.

Long-Term Stability and Reliability

The robust sensor design provides long-term stability, maintaining accuracy and reliability even in challenging conditions. With IP65/IP67 protection options, the Polwax RHT sensors offer dependable performance in industrial and outdoor environments.

Applications

Documents

Please download our document to see specific data of the service and how we work.