1. Product Overview and Primary Functionality
The Bently Nevada 3500/46M is a high-density, dual-channel vibration monitoring module integrated into the 3500 Machinery Protection System, designed to ensure operational reliability for critical industrial equipment. This module processes signals from accelerometers or velocity sensors to detect mechanical faults such as imbalance, misalignment, bearing degradation, and resonance in rotating machinery like turbines, compressors, and pumps. It supports dynamic acceleration, velocity, or displacement measurements, with configurable frequency ranges (e.g., 10 Hz to 1 kHz or 1 kHz to 10 kHz) to align with specific application needs. Built for rugged environments, the 3500/46M operates reliably across a temperature range of -40°C to 85°C and complies with API 670 standards for machinery protection. Its modular design allows seamless integration into the 3500 series framework, delivering 4-20 mA outputs, relay alarms, and real-time data for predictive maintenance strategies.
2. Technical Specifications and System Integration
The 3500/46M offers advanced vibration analysis with adjustable bandpass filtering, user-defined alarm thresholds, and self-diagnostic capabilities to ensure measurement accuracy. Each channel supports input sensitivities up to 500 mV/g and provides 24 VDC loop power to sensors, simplifying installation and reducing wiring complexity. The module is ATEX/IECEx certified for hazardous environments and features an IP52-rated enclosure for resistance to dust and moisture. Integration with Bently Nevada’s System 1™ software enables comprehensive diagnostics, trend visualization, and predictive analytics. Its hot-swappable design and DIN rail compatibility minimize downtime during maintenance, while redundant communication interfaces enhance reliability in demanding settings like power plants, oil refineries, and chemical facilities.
3. Applications and Operational Benefits
The 3500/46M is indispensable in industries such as energy, petrochemicals, and heavy manufacturing, where machinery uptime is critical. By continuously monitoring vibration trends, it enables early detection of mechanical issues, reducing unplanned downtime and repair costs. The module’s compatibility with legacy control systems and third-party sensors facilitates seamless upgrades, while its scalable architecture supports expanding operational needs. Fail-safe relay logic and event-triggered data logging ensure rapid response to anomalies in equipment like gearboxes, fans, and generators. Trusted globally, the 3500/46M exemplifies Bently Nevada’s expertise in delivering robust, precision-engineered solutions that enhance operational safety, efficiency, and compliance with industry standards.
| Attribute | Description |
| Product Model | 3500/46M |
| Product Name | 3500/46M Temperature Monitor Module |
| Type | Quad-Channel Temperature Monitoring Module |
| Primary Function | Monitors bearing, process, or surface temperatures via RTD (Resistance Temperature Detector) or thermocouples |
| Input Signals | Accepts signals from RTDs (e.g., Pt100), thermocouples (J, K, T, E types), or analog temperature sensors |
| Measurement Parameters | Temperature (°C/°F), rate-of-change, and deviation alarms |
| Temperature Range | RTD: –200°C to +600°C (–328°F to +1112°F); Thermocouple: Type-dependent (e.g., J: 0–750°C) |
| Accuracy | ±0.5% of full scale (typical) |
| Output Signals | 4–20 mA analog outputs per channel, relay alarms (Alert/Danger), Modbus/TCP communication |
| Power Supply | 18–30 V DC (via 3500 rack) |
| Operating Temperature | –30°C to +65°C (–22°F to +149°F) |
| Environmental Rating | Rack-mounted in industrial enclosures (NEMA 4X/IP66 compliant) |
| Certifications | ATEX, IECEx, CE, CSA (varies by configuration) |
| Compatibility | Integrates with Bently Nevada 3500 Series racks and System 1™ software |
| Key Features | - Quad-channel redundancy
- Programmable alarm thresholds
- Sensor break detection
- Linearization for RTD/thermocouple inputs |
| Typical Applications | Bearings, motors, turbines, pumps, and process equipment in power generation, oil & gas, and chemical plants |
| Configuration Software | 3500 Rack Configuration Software |
| Notes | Supports cold junction compensation (CJC) for thermocouples; requires sensor-specific calibration. |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are perfectly.
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Bently Nevada 3500/46M Vib/Temp Mon |8Ch,4-20mA/ModTCP|ATEX/IECEx|Turb/Comp|Pwr/O&G|OEM+Sup Images
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