Temperature-Humidity Transmitter
RHT50 WM / RHT100 WM
Part Code: 0396 2020 / 0396 3030
- With and without Display
- Modbus RTU RS485
- Wall mounted
- Excellent linearity
- Wide sensing range
- Good long term stability
For accurate temperature and humidity monitoring in a variety of settings, the Polwax RHT is a small, high-accuracy transmitter. Its robust construction makes it suitable for industrial, pharmaceutical, and HVAC applications that need dependable environmental control. The PLX RHT is crucial for climate-sensitive settings like labs and storage facilities because it offers accurate temperature and relative humidity readings.
RHT50 WM is a wall-mount temperature and humidity transmitter designed for reliable environmental monitoring in HVAC and industrial applications. RHT100 WM is a wall-mount temperature and humidity transmitter with a built-in display that provides real-time temperature and humidity readings.
Product Overview
The Polwax RHT WM transmitter line uses the best technologies. exceptional stability, temperature, relative humidity, and precision gauges Linear signals between 4 and 20 mA are created from the measured data. The microprocessor-based circuit can be fully configured. utilizing the output range and the POLWAX_Confi PC interface Windows®-compatible software. Relative or absolute humidity can be selected for the humidity signal. or the generation of dew points. The Polwax RHT WM version is specifically designed for wall-mounted applications.
A accurate and dependable tool for measuring and sending temperature and humidity data in real time is the PLX RHT Temperature & Humidity Transmitter. To guarantee ideal climate conditions, it is frequently utilized in a variety of commercial, industrial, and environmental applications. The Polwax RHT WM is crucial for climate-sensitive settings including labs, storage facilities, and production areas since it offers accurate temperature and relative humidity readings.
Transmission of Data in Real Time The transmitter’s sophisticated communication protocols enable real-time monitoring and management from any place by sending data via WiFi, GSM, or Ethernet. Perfect for many different industries, such as cold storage, greenhouses, warehouses, HVAC systems, and environmental monitoring. It guarantees accurate environmental management for product quality and energy efficiency. The Polwax RHT is a dependable, high-precision transmitter for measuring humidity and temperature in a variety of commercial and industrial settings. It is appropriate for HVAC, pharmaceutical, and environmental monitoring applications due to its sturdy construction and precise readings.
For accurate temperature and humidity monitoring in a variety of settings, the Polwax RHT WM is a small, high-accuracy transmitter. Its robust construction makes it suitable for industrial, pharmaceutical, and HVAC applications that need dependable environmental control.
HVAC systems: dependable monitoring of climate control. Pharmaceutical Storage: Adhere to stringent environmental regulations. Clean Rooms: Maintain ideal conditions in delicate settings. Greenhouses: Keep an eye out for ideal circumstances for plant growth. Industrial Facilities: For locations that need to have their environmental conditions monitored.
Applications
Agriculture & Greenhouses
The RHT50 WM and RHT100 WM temperature & humidity transmitters help maintain optimal climate conditions in agricultural fields and greenhouse environments. By accurately monitoring temperature and humidity levels, these devices ensure healthy plant growth, prevent crop stress, and improve yield
Pharmaceutical
In pharmaceutical environments, the RHT50 WM and RHT100 WM temperature & humidity transmitters provide precise monitoring of critical climate conditions required for drug storage and production. Accurate humidity and temperature control ensures product integrity, compliance with regulatory standards, and a stable environment for sensitive materials.
Storage & Warehouse
In storage and warehouse environments, the RHT50 WM and RHT100 WM temperature & humidity transmitters ensure accurate monitoring of climate conditions that directly affect stored goods. By maintaining optimal temperature and humidity levels, these devices help prevent spoilage, protect packaging integrity, and reduce losses.
Food & Beverage
In food and beverage environments, the RHT50 WM and RHT100 WM temperature & humidity transmitters help maintain precise climate control essential for product quality and safety. Accurate monitoring of temperature and humidity prevents spoilage, preserves freshness, and ensures compliance with industry standards throughout processing, storage, and distribution.
HVAC
In HVAC systems, the RHT50 WM and RHT100 WM temperature & humidity transmitters provide reliable monitoring of indoor climate conditions to ensure comfort, energy efficiency, and system performance. Accurate temperature and humidity data helps optimize airflow, reduce energy consumption, and maintain ideal environmental levels in commercial and residential spaces.
Clean Rooms
In clean room environments, the RHT50 WM and RHT100 WM temperature and humidity transmitters ensure precise control of critical environmental conditions. Accurate monitoring helps maintain required cleanliness standards, prevent contamination, and support compliance with regulatory norms.The RHT100 WM’s built-in display enables quick on-site verification of real-time readings.
Technical Data
| Media Compatibility | Air, non-combustible, non-corrosive gases |
| Model No |
RHT50 WM / RHT100 WM |
| Part Code |
0396 2020 (RHT50 WM) / 0396 3030 (RHT100 WM) |
| Display |
RHT50 WM → Without Display / RHT100 WM → With Display |
| Measuring Range | Temperature: -30 to 80°C , Humidity: 0–100% RH |
| Units | °C, % RH |
| Inputs | Temperature & Humidity |
| Accuracy | ±0.4°C & ±1.8% RH |
| Dimensions | 75 × 35 × 75 mm |
| Protection Class | IP54 |
| Mounting | Wall Mount |
| Language | English |
| Supply Voltage | 24V DC |
| Output | 4–20mA, RS485 Modbus RTU / 0–10V (Optional) |
| Scope of Supply | Calibration Certificate, GUI Software, Instruction Manual |
Temperature & Humidity Transmitter – RHT WM Series
The Polwax RHT-WM series wall-mount temperature and humidity transmitters are designed for accurate environmental monitoring in HVAC systems, clean rooms, pharmaceutical facilities, warehouses, and industrial applications. These transmitters provide reliable real-time measurement of temperature and relative humidity to ensure optimal climate control and process efficiency.
Model Variants
RHT50 WM – Without Display
RHT100 WM – With Built-in Display
Wall Mount Design
Compact wall-mount enclosure for easy installation and space-saving deployment.
Accurate Monitoring
Precise measurement of temperature and humidity for controlled environments.
Real-Time Display
RHT100 WM features a built-in display for instant on-site readings.
Industrial Output Options
Supports 4–20mA, RS485 Modbus RTU and 0–10V (optional) outputs.
Wide Application Use
Suitable for HVAC, clean rooms, pharma, storage & warehouse facilities.
Reliable Protection
IP54 protection class ensures stable operation in industrial environments.
24V DC Supply
Designed for continuous operation with standard 24V DC power supply.
