BENTLY NEVADA 3500/25-02-02-02 Keyphasor Module (3500/25 149369-01)

Speed and position tracking of rotating machinery
Vibration analysis systems
Industrial machine monitoring
Oil, gas, power, and manufacturing sectors

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The Bently Nevada 3500/25 Keyphasor Module is a half-height, two-channel module used in the 3500 series monitoring system. It receives input signals from proximity probes or magnetic pickups and converts them into digital Keyphasor signals that indicate when the Keyphasor mark on the shaft aligns with the transducer. These signals enable precise measurement of rotational speed and vibration phase.

Module Type: Half-height, 2-channel
Input Signal: Proximity probe or magnetic pickup
Input Voltage Range:
- Non-isolated I/O: +0.8V to -21.0V
- Isolated I/O: +5V to -11V
Power Consumption: 3.2 Watts typical
Output: 2 buffered Keyphasor outputs
Output Impedance: Max 504Ω
Power Supply: -24 VDC, max 40 mA per channel

Data Sheet