



Introduction
The Bently Nevada 3500/25 Enhanced Keyphasor Module (149369-01+126648-01) is a high-precision signal interface module designed for Bently Nevada 3500 Series vibration and rotor monitoring systems. From a technical engineering perspective, this module processes tachometer and rotor position inputs to generate keyphasor signals, which are essential for phase-referenced vibration monitoring and condition-based maintenance of rotating machinery.
This module is critical in multi-channel monitoring systems, providing accurate rotor phase reference and enabling early detection of mechanical anomalies without functioning as a standalone measurement device.
Technical Specifications
| Item | Description |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/25 Enhanced Keyphasor Module |
| Order Number | 149369-01+126648-01 |
| Module Type | Enhanced Keyphasor Module |
| Functional Role | Tachometer signal processing and keyphasor signal generation |
| System Compatibility | Bently Nevada 3500 Series Monitoring Systems |
| Installation | Rack-mounted in 3500 Series chassis |
| Electrical Interface | Tachometer input, keyphasor output connectors |
| Dimensions | 119.9 × 24.4 × 256.5 mm (H x W x D) |
| Weight | Approx. 0.34 kg |
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