Product Description
Product Details
| Manufacturer | Bently Nevada |
|---|---|
| Model/Part Number | 125792-01 |
| Description | 3500/25 Enhanced Keyphasor Module |
Product Description
The Bently Nevada 3500/25 Enhanced Keyphasor Module is designed to process up to two transducer signals per module for high-precision shaft rotative speed and phase reference measurements. It supports various transducer types, including proximity probes and magnetic pickups, making it a versatile solution for industrial monitoring applications.
Specifications
Inputs
| Parameter | Description |
|---|---|
| Power Consumption | 3.2 Watts (typical) |
| Signal Input | Accepts up to two transducer signals per module: |
| - Input Range (Non-Isolated I/O): +0.8 V to -21.0 V | |
| - Input Range (Isolated I/O): +5 V to -11 V | |
| - Signals outside these ranges are limited internally. | |
| - Passive magnetic pickups require shaft rotative speeds >200 rpm (3.3 Hz). | |
| Input Impedance | 21.8 kΩ minimum |
Environmental Limits
| Condition | Temperature Range |
|---|---|
| Operating Temperature | -30°C to +65°C (-22°F to +150°F) (with Keyphasor I/O Module, except Internal Barrier version) |
| 0°C to +65°C (32°F to +150°F) (with Keyphasor Internal Barrier I/O Module) | |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 95%, non-condensing |
Physical Dimensions
Main Module:
| Height | Width | Depth | Weight |
|---|---|---|---|
| 119.9 mm | 24.4 mm | 256.5 mm | 0.34 kg (0.76 lbs.) |
I/O Module:
| Height | Width | Depth | Weight |
|---|---|---|---|
| 241.3 mm | 24.4 mm | 103.1 mm | 0.46 kg (1.01 lbs.) |
Ordering Information
| Part Number | Description |
|---|---|
| 3500/25-AA-BB-CC | Enhanced Keyphasor Module with configurable options |
Configuration Options
-
A: Number of Channels
- 01: Single half-height 2-channel Keyphasor card (2 channels)
- 02: Two half-height 2-channel Keyphasor cards (4 channels)
-
B: Type of I/O Module
- 01: I/O module with Internal Terminations
- 02: I/O module with External Terminations
- 03: Internal Barrier I/O with Internal Terminations
- 04: Isolated I/O module with Internal Terminations (for Magnetic Pickups)
- 05: Isolated I/O module with External Terminations (for Magnetic Pickups)
-
C: Agency Approval Option
- 00: Not required
- 01: cNRTLus (Class 1, Div 2)
- 02: ATEX/IECEx/CSA (Class 1 Zone 2)