The Bently Nevada 3500/25 125792-01 is an Enhanced Keyphasor Module designed for the 3500 Machinery Protection System. This module serves as the primary interface for Keyphasor transducers, providing essential phase reference signals to the monitoring system. It receives input signals from proximity probes or magnetic pickups and converts them into digital Keyphasor signals, which are used by other modules in the rack for phase-related measurements such as 1X vibration, phase angle, and speed.
| Product Model | 3500/25 125792-01 |
| Power Consumption | 3.2 Watts typical |
| Input Impedance | 21.8 kOhm minimum |
| Proximity Input Range | -2V to -18V |
| MPU Input Range | 5 mV to 50 V peak |
| Speed Range | 1 RPM to 99,999 RPM |
| Accuracy | +/- 0.1% of reading |
| Operating Temperature | -30 degC to +65 degC (-22 degF to +149 degF) |
| Isolation | 500 V channel-to-ground |
| Power Supply | 15 to 30 VDC |
The 3500/25 Enhanced Keyphasor Module conditions signals from speed/phase transducers to provide a phase reference signal that is used by other monitors in the 3500 system for vibration and phase analysis.
Yes, the module is designed to accept inputs from both proximity probes and magnetic pickups, with configurable settings to match the specific transducer type.
The module is rated for operation in environments ranging from -30 degC to +65 degC (-22 degF to +149 degF).
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