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Product Overview
The Bently Nevada 3500/25-01-03-01 Enhanced Key Phase Module is a high-precision signal processing module designed for generating accurate keyphasor pulses and speed outputs in rotating machinery monitoring systems. It is part of the Bently Nevada 3500 Series, providing reliable phase and speed information critical for synchronous vibration monitoring, torsional analysis, and machinery protection.
Key Features
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Provides precise keyphasor and speed signals for machinery monitoring and protection
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Compatible with Bently Nevada 3500 Series rack-mounted monitoring system
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Enhanced signal conditioning for accurate phase detection and noise immunity
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Supports multiple input types including proximity sensors and Proximitors
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Digital and analog outputs for integration with data acquisition and diagnostic systems
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API 670 compliant for critical rotating machinery applications
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Rugged design suitable for harsh industrial environments
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Supports advanced vibration and torsional analysis
Technical Specifications
| Item | Specification |
|---|---|
| Model | 3500/25-01-03-01 |
| Series | 3500 Series Enhanced Key Phase Module |
| Manufacturer | Bently Nevada |
| Function | Keyphasor and speed signal generation |
| Input Type | Proximity sensors or Proximitor input |
| Output Type | TTL compatible keyphasor pulse, analog speed output |
| Signal Conditioning | Enhanced phase stability and noise immunity |
| Frequency Range | 0 – 20 kHz typical |
| Operating Temperature | -35°C to +70°C (-31°F to +158°F) |
| Humidity | 95% non-condensing |
| Power Supply | +24 VDC typical |
| Mounting | 3500 Series rack-mounted module |
| Dimensions | 241.3 x 24.4 x 103.1 mm |
| Weight | 0.46 kg |
| Compliance | API 670, CE |
Frequently Asked Questions (FAQ)
1. What is the main function of the 3500/25-01-03-01 module?
It generates precise keyphasor pulses and analog speed signals for synchronous vibration monitoring and machinery protection.
2. Which types of sensors can this module accept?
It accepts inputs from Proximitor sensors, proximity probes, and compatible keyphasor sensors.
3. How does this module improve signal accuracy compared to standard keyphasor modules?
The enhanced signal conditioning provides greater phase stability and noise immunity for high-precision timing measurements.
4. What is the maximum frequency the module can process?
It can handle input signals up to 20 kHz, suitable for high-speed rotating machinery.
5. Is the module compatible with other 3500 Series modules?
Yes, it integrates seamlessly with all Bently Nevada 3500 Series rack-mounted modules.
6. Can this module be used for torsional vibration analysis?
Yes, its precise keyphasor and speed outputs make it suitable for torsional vibration and advanced vibration analysis.
7. What are the environmental operating limits?
The module operates reliably from -35°C to +70°C and up to 95% non-condensing humidity.
8. What power supply does it require?
It typically operates on +24 VDC, supplied via the 3500 Series rack or an external source if necessary.
Related Bently Nevada Models
| Model | Description |
|---|---|
| 3500/25-01-01-02 | Enhanced Key Phase Module |
| 3500/25-01-01-01 | Standard Key Phase Module |
| 3500/25-02-01-01 | Dual-channel Key Phase Module |
| 3500/22M | Transient Data Interface Module |
| 3500/42M | Proximitor/Seismic Monitor |
| 3500/93 | System Communication Gateway Module |
Popular Bently Nevada Models
| Model | Description |
|---|---|
| 330104-00-18-10-02-05 | Standard 8 mm proximity probe for machinery monitoring |
| 330130-045-01-05 | 3300 XL Extension Cable |
| 330180-90-00 | 3300 XL NSv Proximitor Sensor |
| 3500/22M | Transient Data Interface Module |
| 3500/42M | Proximitor/Seismic Monitor |
| 3500/93 | System Communication Gateway Module |
