



Introduction
The Bently Nevada 3500/94 128240-01 Keyphasor Module delivers precise phase-reference signals essential for rotating machinery diagnostics and protection. Designed as part of the 3500 monitoring platform, it ensures accurate correlation between vibration data and rotor position—critical for advanced analysis such as orbits, vectors, and startup/coast-down evaluations.
This version of the 3500/94 emphasizes compact form factor, stable triggering performance, and dependable operation in demanding industrial environments.
Technical Specifications
| Specification | Description |
|---|---|
| Module Type | Keyphasor / Phase Reference Module |
| Function | Generates digital Keyphasor signals for vibration and rotational analysis |
| Channels | Dual-channel capability |
| Input Type | Proximity probes or magnetic pickups |
| Signal Output | TTL-compatible digital pulse |
| Compatible System | Bently Nevada 3500 Series |
| Diagnostic Support | Phase, orbit, vector, and speed-related measurement functions |
| Dimensions | 241.3 × 24.4 × 99.1 mm (H × W × D) |
| Weight | 0.34 kg |
| Mounting | Standard 3500 rack slot |
| Operating Environment | Industrial, continuous-duty monitoring |
| Power Consumption | Rack-powered through backplane |
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