Description
Bently Nevada 3500/45 184684-01 Vibration Monitoring Module
The Bently Nevada 3500/45 is a high-precision vibration monitoring module designed for industrial machinery protection and performance optimization. It ensures reliable and real-time vibration analysis for critical applications like turbines, compressors, and pumps. Compared to older models, users report fewer false alarms and more actionable data – one engineer mentioned it “cut unplanned downtime by 30% in our gas processing plant.”
| Specification | Details |
|---|---|
| Brand | Bently Nevada |
| Model | 3500/45 (184684-01) |
| Certifications | CE, UL, RoHS |
| Operating Voltage | 24 V DC |
| Output Signals | 4-20 mA, 0-10 V, RS485 |
| Measurement Range | 0-500 μm (0-200 mils) |
| Frequency Response | 5 Hz – 1 kHz |
| Mounting | DIN Rail |
| Environmental Rating | IP20, -20°C to +70°C |

This module works particularly well in power generation facilities and oil & gas installations. For example, a refinery in Texas successfully integrated it with their existing 3500 series systems to monitor centrifugal compressors. Our inventory includes related models like the 3500/22M protection module and 3500/92 speed monitor, allowing complete system builds or retrofits. The modular design makes upgrades straightforward – just last month a customer added this module to their 20-year-old turbine setup without major modifications.
Technical Advantages

The 3500/45 stands out for its dual redundancy capability – we’ve seen plants use it for both primary monitoring and backup systems. Unlike basic vibration sensors, its RS485 communication allows direct integration with modern SCADA systems. The adaptive configuration software works seamlessly with Bently Nevada’s System 1 platform, which one maintenance manager called “like having a vibration expert in the control room”.
What really impresses users: the module maintains accuracy even in electrically noisy environments – a common issue in steel mills and chemical plants. The ruggedized enclosure handles vibration levels up to 15g peak, exceeding typical industrial requirements. For predictive maintenance, the analog outputs connect directly to PLCs while digital signals feed into condition monitoring databases, giving operators multiple data access points.




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