



Introduction
The Bently Nevada 3500/25 Enhanced Keyphasor Module (149369-01+125800-02) is a high-precision signal processing unit designed for Bently Nevada 3500 Series vibration and rotor monitoring systems. From a technical perspective, this module converts tachometer and rotor position inputs into keyphasor outputs, providing critical phase and speed reference signals used for condition monitoring and predictive maintenance of high-speed rotating machinery.
This module is integral to multi-channel monitoring systems, enabling accurate rotor phase tracking and supporting early detection of mechanical faults without being a standalone measurement device.
Technical Specifications
| Item | Description |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/25 Enhanced Keyphasor Module |
| Order Number | 149369-01+125800-02 |
| Module Type | Enhanced Keyphasor Module |
| Functional Role | Tachometer signal processing and keyphasor output 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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