🌡️ BENTLY NEVADA 79492-01 TEMPERATURE MONITOR BOARD — TECHNICAL INTRODUCTION
The Bently Nevada 79492-01 Temperature Monitor Board is a high-precision electronic module designed for industrial machinery monitoring systems. Primarily used in conjunction with Bently Nevada 3500 and 3300 series monitoring racks, this board provides accurate temperature sensing and continuous diagnostics for critical rotating equipment, including turbines, compressors, and generators. Engineered for rugged industrial environments, the 79492-01 ensures reliable performance under high vibration, wide temperature ranges, and electromagnetic interference.
🔧 Product Overview
The 79492-01 Temperature Monitor Board is specifically engineered to interface with thermocouple and RTD inputs, converting raw sensor data into digital signals that can be processed by supervisory systems. With high-speed sampling and integrated signal conditioning, it delivers precise temperature readings essential for predictive maintenance and real-time machinery protection. The board incorporates robust protection circuitry against voltage transients and short-circuit conditions, ensuring longevity and operational safety.
Its modular design allows for easy installation and replacement without disrupting adjacent modules in a rack. The board’s layout optimizes thermal performance and minimizes noise, while the high-quality connectors provide reliable, low-resistance signal pathways.
📑 Datasheet — Technical Parameters
| Parameter | Description |
|---|---|
| Model | Bently Nevada 79492-01 Temperature Monitor Board |
| Category | Temperature Monitoring Module |
| Compatibility | 3500/3300 Series Monitoring Racks |
| Sensor Inputs | Thermocouples (Type J, K, T, E, R, S) and RTDs (PT100, PT1000) |
| Input Channels | 8 differential or single-ended inputs |
| Input Range (Thermocouple) | –200°C to +1750°C depending on type |
| Input Range (RTD) | –200°C to +850°C |
| Accuracy | ±0.25% of reading for thermocouples; ±0.15°C for RTDs |
| Sampling Rate | 100 Hz per channel |
| Isolation Voltage | ≥ 1500 V RMS between channels and chassis |
| Signal Conditioning | Cold-junction compensation, linearization, filtering |
| LED Indicators | Channel status and fault diagnostics |
| Power Supply | 24 VDC nominal |
| Operating Temperature | –40°C to +70°C |
| Humidity Tolerance | Up to 95% non-condensing |
| EMC Performance | Meets industrial EMI/RFI standards |
| Mounting | Plug-in for Bently Nevada 3500 rack chassis |
| Weight | Approx. 150 g |
| Maintenance | Periodic inspection recommended; replace if channel faults persist |
🛠️ Functional Characteristics
High-Precision Temperature Monitoring
Each input channel supports multiple thermocouple and RTD types, providing flexibility for diverse machinery. Signal conditioning ensures accurate readings even under noisy industrial conditions.
Diagnostic Capabilities
The board features onboard diagnostic indicators for open sensors, short circuits, and over-temperature conditions. These visual cues enable quick identification of potential issues, reducing downtime and maintenance costs.
Rugged Industrial Design
Designed for high-vibration environments, the 79492-01 employs mechanically reinforced connectors and robust PCB construction. The board maintains signal integrity under wide temperature fluctuations and mechanical stress.
Modular Installation
The plug-in architecture simplifies installation, maintenance, and system upgrades. Boards can be replaced individually without disturbing other modules, streamlining service in critical applications.
Noise Immunity
With integrated filtering and isolation, the board suppresses electrical interference, ensuring clean data transmission to the monitoring rack.
🔌 Installation & Handling Notes
- Always power down the monitoring rack before installation or removal.
- Verify sensor wiring compatibility with board input channels.
- Ensure connectors are fully seated to prevent intermittent contact.
- Avoid mechanical stress on board or connectors during installation.
- Regularly inspect for dust accumulation or corrosion on pins.
🔗 Useful Links
- Industrial monitoring modules: https://www.stardcsplc.com/
- Bently Nevada product supplies: https://www.stardcsplc.com/
📦 Recommended Similar Models
| Model | Description | Category |
|---|---|---|
| Bently Nevada 79491-01 | Temperature monitor board, 4-channel version | Temperature Monitoring |
| Bently Nevada 125789-01 | Proximitor probe interface board | Vibration/Position Sensing |
| Bently Nevada 330255-01 | Keyphasor input module | Speed/Phase Monitoring |
| Bently Nevada 3500/32 | Temperature input module for rack systems | Thermocouple/RTD Interface |
| Bently Nevada 133819-01 | I/O terminal connector board | Rack Interface Hardware |
This board is essential for any high-reliability condition monitoring system, providing precise temperature readings, robust diagnostics, and industrial-grade durability in a compact module.
