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- Bently Nevada
- 3500/25 126648-02
- Lsolated Keyphasor I/O Module
- USA
- 241.3 x 24.4 x 103.1 mm
- 0.46 kg
- Xiamen, China
- New & In Stock
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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 (126648-02) Isolated Keyphasor I/O Module is a specialized Keyphasor input/output module designed for the Bently Nevada 3500 machinery protection system.
This module features electrical isolation, allowing it to reliably acquire and transmit Keyphasor (phase reference) signals while protecting against electrical noise, interference, and ground loops. It ensures accurate synchronization between shaft rotation and vibration data, making it essential for advanced machinery diagnostics.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/25 |
| Part Number | 126648-02 |
| Product Type | Isolated Keyphasor I/O Module |
| Function | Phase signal input/output with isolation |
| Dimensions | 241.3 × 24.4 × 103.1 mm |
| Weight | 0.46 kg |
| Installation | Rack-mounted (3500 system rack) |
| Application | Phase monitoring and vibration analysis |
| Environment | Industrial-grade |
| Signal Type | Keyphasor (phase reference signal) |
| Isolation Feature | Electrical isolation for signal protection |
| Compatibility | Bently Nevada 3500 system |
Function and Working Principle
The Bently Nevada 3500/25 (126648-02) Isolated Keyphasor I/O Module provides a stable interface for phase signal transmission.
Working Principle:
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Receives Keyphasor signals from proximity probes or phase sensors
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Applies electrical isolation to eliminate noise and interference
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Conditions and stabilizes incoming signals
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Transmits clean, isolated signals to monitoring modules
Core Functions:
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Keyphasor signal input/output
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Electrical isolation for signal integrity
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Signal conditioning and filtering
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Phase synchronization support
Role in Industrial Control Systems
This module plays a critical role by:
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Ensuring accurate phase reference signals
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Protecting against electromagnetic interference (EMI)
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Preventing ground loop issues
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Supporting reliable vibration monitoring and diagnostics
It is particularly important in systems where signal integrity is critical.
Industrial Applications
The Bently Nevada 3500/25 (126648-02) Isolated Keyphasor I/O Module is widely used in:
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Turbine monitoring systems
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Compressor and pump diagnostics
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Oil and gas facilities
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Power generation plants
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Petrochemical industries
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High-noise industrial environments
It is ideal for applications requiring high signal reliability and electrical isolation.
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 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 stable and interference-free operation.
Compatible System Components
This module works with:
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Bently Nevada Keyphasor modules
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Proximity probes and phase sensors
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Vibration monitoring modules
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Rack Interface Modules (RIM)
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Transient Data Interface (TDI) modules
Together, these components form a robust and reliable monitoring system.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 126648-02 | Isolated Keyphasor I/O | Electrical isolation | High-noise environments |
| 126648-01 | Keyphasor I/O Module | External terminals | Standard applications |
| 125800-01 | Keyed Phase I/O Module | Internal terminals | Compact setups |
| 126398-01 | Keyphasor Module | Phase processing | Core monitoring |
| 3500/22 | TDI Module | Data acquisition | System communication |
Key Advantages
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Electrical isolation for enhanced signal integrity
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Protection against EMI and ground loops
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Accurate phase signal acquisition
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Reliable performance in harsh environments
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Seamless integration with 3500 systems
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Supports precise machinery diagnostics
Technical FAQs
What is the main advantage of this module?
It provides isolated signal transmission, improving reliability in noisy environments.
Why is isolation important?
It prevents interference and ensures accurate phase signal processing.
Where is it typically used?
In industrial monitoring systems where stable and interference-free signals are required.
Conclusion
The Bently Nevada 3500/25 (126648-02) Isolated Keyphasor I/O Module is a critical component for reliable phase signal interfacing in industrial monitoring systems.
It provides:
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Stable and isolated signal transmission
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Accurate phase synchronization
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Strong resistance to electrical interference
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Seamless integration with 3500 systems
For engineers and system integrators, this module is a high-reliability solution for precise and robust machinery monitoring.