📑 FOXBORO RH924UQ Temperature Transmitter
The FOXBORO RH924UQ is a precision temperature transmitter designed for continuous process measurement and control in industrial automation systems. Engineered for reliability and accuracy, it converts signals from thermocouples or RTDs into standardized 4–20 mA outputs suitable for process control systems. Its robust construction and high-performance electronics make it ideal for demanding environments in chemical, petrochemical, and energy applications.

⚙️ Key Features
- High Accuracy – Provides precise temperature measurement with minimal drift over time.
- Wide Input Range – Supports multiple thermocouple types (J, K, T, E, R, S, B) and RTDs (Pt100, Pt1000).
- Fast Response – Optimized signal processing ensures rapid detection of process changes.
- Reliable Output – 4–20 mA current loop compatible with standard DCS and PLC systems.
- Rugged Design – Resistant to vibration, moisture, and electromagnetic interference.
- Easy Configuration – Programmable via handheld device or PC interface for scaling and calibration.
📊 Technical Parameters (Datasheet)
| Parameter | Description |
|---|---|
| Model Number | RH924UQ |
| Transmitter Type | Temperature Transmitter |
| Input Types | Thermocouples (J, K, T, E, R, S, B), RTDs (Pt100, Pt1000) |
| Output Signal | 4–20 mA current loop |
| Power Supply | 24 VDC nominal |
| Accuracy | ±0.1% of span typical |
| Operating Temperature | -40 °C to +85 °C |
| Storage Temperature | -55 °C to +100 °C |
| Mounting | DIN rail or head-mounted installation |
| Response Time | <1 second (depending on sensor and configuration) |
| Environmental Protection | IP65 housing standard |
| Weight | Approx. 0.3 kg |
| Certifications | CE, CSA, ATEX (optional) |
🔧 Installation and Maintenance
- Installation: Mount the transmitter in a stable location, either in the sensor head or on a DIN rail. Ensure proper alignment and secure electrical connections.
- Wiring: Connect sensor input and current loop output following polarity and shielding requirements. Use twisted-pair cables to minimize noise interference.
- Configuration: Scale the transmitter output to match the process range using handheld configuration device or PC-based software.
- Maintenance: Periodic calibration checks recommended to maintain accuracy. Inspect housing and connectors for corrosion or mechanical damage. Replace components if operational drift occurs.
- Environmental Considerations: Avoid exposure to extreme moisture, corrosive chemicals, or excessive vibration beyond the specifications.
🏭 Typical Applications
- Chemical and petrochemical process monitoring
- Power generation and steam systems
- Oil & gas refinery temperature control
- Industrial boiler monitoring
- HVAC and environmental systems in industrial facilities
🌐 Useful Links
- Explore FOXBORO automation solutions: stardcsplc.com
- Find compatible process modules: stardcsplc.com
📌 Recommended Similar Models
| Model | Description | Application |
|---|---|---|
| RH924UN | Universal temperature transmitter | Supports wide range of thermocouples and RTDs |
| I/A Series 920 | Head-mounted temperature transmitter | High-accuracy industrial process monitoring |
| RH900U | Compact RTD transmitter | For space-limited installations |
| RH930U | High-temperature transmitter | For elevated process temperatures |
| RH924UQH | Hazardous area certified transmitter | ATEX/CSA approved for explosive environments |
The FOXBORO RH924UQ combines precision measurement, robust industrial construction, and flexible communication options, making it a reliable solution for temperature control and monitoring in demanding industrial environments.
