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- Bently Nevada
- 3500/25 126398-01
- Enhanced Keyphasor Module
- USA
- 119.9 x 24.4 x 256.5 mm
- 0.34 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
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Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Bently Nevada 3500/25 (126398-01) Enhanced Keyphasor Module is an advanced Keyphasor (phase reference) module designed for the Bently Nevada 3500 machinery protection system.
This module provides accurate shaft position and rotational speed reference signals, which are essential for synchronizing vibration data and performing advanced machinery diagnostics. It plays a critical role in ensuring precise monitoring of rotating equipment in demanding industrial environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/25 |
| Part Number | 126398-01 |
| Product Type | Enhanced Keyphasor Module |
| Function | Phase reference and speed detection |
| Dimensions | 119.9 × 24.4 × 256.5 mm |
| Weight | 0.34 kg |
| Installation | Rack-mounted (3500 system rack) |
| Application | Phase monitoring and vibration analysis |
| Environment | Industrial-grade |
| Signal Type | Keyphasor (phase reference signal) |
| Compatibility | Bently Nevada 3500 system |
Function and Working Principle
The Bently Nevada 3500/25 (126398-01) Enhanced Keyphasor Module provides precise phase reference signals for rotating machinery.
Working Principle:
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Receives input signals from proximity probes or Keyphasor sensors
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Detects shaft rotational position and speed
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Generates a phase reference pulse for each shaft revolution
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Transmits synchronized signals to monitoring modules
Core Functions:
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Keyphasor signal generation
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Shaft speed and position detection
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Phase synchronization for vibration analysis
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Signal conditioning and processing
Role in Industrial Control Systems
This module plays a critical role by:
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Providing a reference signal for vibration monitoring
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Enabling accurate phase and timing analysis
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Supporting rotor dynamics and balancing analysis
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Enhancing predictive maintenance strategies
It ensures reliable synchronization across the monitoring system.
Industrial Applications
The Bently Nevada 3500/25 (126398-01) Enhanced Keyphasor Module is widely used in:
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Turbine monitoring systems
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Compressor and pump diagnostics
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Generator and motor monitoring
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Oil and gas facilities
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Power generation plants
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High-speed rotating machinery
It is ideal for applications requiring accurate phase reference and speed measurement.
Installation and System Integration
For optimal performance:
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Installed in a Bently Nevada 3500 rack system
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Connected to Keyphasor probes or proximity sensors
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Integrated with vibration monitoring modules
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Configured according to system requirements
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Installed following manufacturer guidelines
Proper installation ensures accurate signal acquisition and system stability.
Compatible System Components
This module works with:
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Bently Nevada vibration monitoring modules
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Proximity probes and Keyphasor sensors
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Rack Interface Modules (RIM)
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Transient Data Interface (TDI) modules
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External monitoring and diagnostic systems
Together, these components form a complete machinery monitoring solution.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 126398-01 | Keyphasor Module | Phase reference and speed detection | Standard systems |
| 125792-01 | Enhanced Phase Module | Phase processing | Advanced diagnostics |
| 125800-01 | I/O Module | Signal interface | Flexible integration |
| 3500/22 | TDI Module | Data acquisition | Communication systems |
| 3500/23E | TDI Module | Advanced monitoring | High-performance systems |
Key Advantages
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High-precision phase reference signal
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Accurate shaft speed detection
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Enhances vibration analysis accuracy
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Supports advanced diagnostics and balancing
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Seamless integration with 3500 systems
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Reliable industrial performance
Technical FAQs
What is the function of this module?
It generates Keyphasor signals used for phase reference and speed measurement.
Why is Keyphasor important?
It provides synchronization between shaft rotation and vibration data for accurate diagnostics.
Where is it used?
In rotating machinery monitoring systems such as turbines, compressors, and generators.
Conclusion
The Bently Nevada 3500/25 (126398-01) Enhanced Keyphasor Module is a critical component for precise phase and speed monitoring in industrial systems.
It provides:
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Accurate Keyphasor signal generation
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Reliable phase synchronization
-
Enhanced vibration diagnostics
-
Seamless integration with 3500 systems
For engineers and system integrators, this module is an essential solution for achieving high-accuracy machinery monitoring and predictive maintenance.