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Bently Nevada 3500/25-01-02-00 Half-Height Keyphasor Module – Product Introduction, Technical Specifications, Applications, Advantages, Series Information and Recommended Models
Bently Nevada 3500/25-01-02-00
Product Introduction
The Bently Nevada 3500/25-01-02-00 is a Half-Height Keyphasor Module designed for the 3500 Series Machinery Protection System. It is a specialized monitoring module used to provide accurate rotational reference signals for rotating machinery protection, vibration analysis, speed measurement, and machine diagnostic applications.
The Keyphasor function provides a precise reference signal from the rotating shaft, allowing the monitoring system to identify the exact position of the shaft during operation. This rotational reference information is essential for analyzing the relationship between shaft movement and vibration behavior.
For critical rotating equipment, vibration amplitude measurements alone may not provide enough information for accurate fault diagnosis. The rotational reference signal supplied by the Keyphasor module allows engineers to perform phase-based analysis and understand the actual mechanical condition of the machine.
The 3500/25-01-02-00 receives input signals from Keyphasor sensors installed near rotating shafts. The module processes the incoming signals and provides reliable timing information to the protection system.
The module supports important monitoring functions including:
- Shaft rotational speed measurement
- Rotational position identification
- Vibration phase analysis
- Rotor dynamic evaluation
- Machinery balancing support
- Equipment condition assessment
The module is designed for continuous operation in industrial environments where accurate and stable machinery monitoring is required.
The half-height structure provides efficient rack space utilization while maintaining reliable signal processing capability.
The plug-in modular design allows convenient installation, replacement, and maintenance. The module can be integrated into existing protection racks with minimal system changes.
The product is widely used in industries requiring high reliability from rotating equipment, especially where unexpected shutdowns can cause significant production losses.
Typical monitored equipment includes:
- Steam turbines
- Gas turbines
- Compressors
- Generators
- Industrial motors
- Pumps
- Turbo machinery
- Rotating process equipment
By providing accurate rotational reference information, the module improves diagnostic accuracy, supports predictive maintenance strategies, and helps increase the operational reliability of critical machinery.
Brand
Bently Nevada
Bently Nevada is an industrial technology brand focused on machinery protection, vibration monitoring, condition monitoring, and rotating equipment diagnostic solutions.
Its products are designed for applications where continuous monitoring, equipment reliability, and operational safety are important.
The product range covers:
- Machinery protection systems
- Vibration monitoring modules
- Keyphasor modules
- Shaft position monitoring equipment
- Proximity measurement systems
- Communication modules
- Relay modules
- Data acquisition modules
- Industrial diagnostic solutions
The products are commonly applied in industries such as:
- Power generation
- Oil and gas
- Petrochemical processing
- Marine engineering
- Mining
- Heavy manufacturing
- Industrial production facilities
Product Series
3500 Series Machinery Protection System
The 3500 Series is a modular machinery protection platform designed for continuous online monitoring of critical rotating equipment.
The system provides:
- Real-time machine condition monitoring
- Vibration monitoring
- Shaft position monitoring
- Speed measurement
- Phase reference measurement
- Alarm processing
- Equipment protection
- Diagnostic data collection
- Communication functions
The modular rack structure allows different monitoring modules to be combined according to equipment requirements.
Main module categories include:
- Power Supply Modules
- Rack Interface Modules
- Keyphasor Modules
- Vibration Monitoring Modules
- Shaft Position Monitoring Modules
- Transient Data Interface Modules
- Relay Modules
- Overspeed Protection Modules
- Communication Modules
- Data Processing Modules
The 3500 Series provides a flexible solution for protecting and monitoring important rotating machinery.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/25-01-02-00 |
| Product Type | Half-Height Keyphasor Module |
| Brand | Bently Nevada |
| Product Series | 3500 Series |
| Main Function | Rotational Reference Signal Processing |
| Application Type | Machinery Protection and Condition Monitoring |
| Module Design | Half-Height Rack Module |
| Installation Method | Rack Mounted |
| Mounting Position | 3500 Rack Slot |
| Input Signal Type | Keyphasor Sensor Signal |
| Signal Processing Function | Rotational Timing Processing |
| Speed Measurement | Supported |
| Phase Measurement | Supported |
| Shaft Position Reference | Supported |
| Rotor Synchronization | Supported |
| Vibration Phase Analysis | Supported |
| Communication Interface | Rack Backplane Communication |
| Power Supply Method | Rack Backplane Powered |
| Operating Mode | Continuous Industrial Operation |
| Cooling Method | Natural Air Cooling |
| Connection Type | Rack Connector |
| Housing Material | Industrial Metal Housing |
| Maintenance Method | Plug-in Replacement |
| System Compatibility | 3500 Series Rack System |
| Environmental Design | Industrial Grade |
| Approximate Dimensions | 241 × 24 × 260 mm |
| Approximate Weight | 0.90 kg (Approx.) |
Product Features
The 3500/25-01-02-00 is designed to provide reliable rotational reference information for advanced rotating machinery monitoring.
The module receives signals from shaft-mounted Keyphasor sensors and converts them into accurate timing information used by the protection system.
Main features include:
- Accurate shaft rotation reference
- Stable signal processing
- Speed monitoring capability
- Phase reference generation
- Rotor position synchronization
- Support for advanced vibration analysis
The Keyphasor reference signal allows vibration information to be analyzed according to shaft position.
This improves the ability to detect and evaluate mechanical conditions such as:
- Rotor imbalance
- Shaft misalignment
- Coupling defects
- Mechanical looseness
- Rotor instability
- Abnormal vibration patterns
The half-height module design provides several benefits:
- Reduced rack space requirement
- Flexible installation configuration
- Easy module replacement
- Convenient maintenance
The module communicates through the rack backplane, providing reliable connection with other monitoring modules.
The industrial design allows stable operation under demanding conditions including continuous vibration and long-term service requirements.
Product Advantages
Accurate Rotational Reference Measurement
The module provides precise shaft timing information required for advanced machinery diagnostics.
This improves the accuracy of vibration phase analysis and rotor condition evaluation.
Improved Machinery Fault Detection
By synchronizing vibration data with shaft position, engineers can identify mechanical problems more effectively.
Supports Condition-Based Maintenance
The module provides important reference information for predictive maintenance programs.
Reliable Continuous Operation
The industrial-grade design supports long-term operation in critical machinery applications.
Compact Modular Design
The half-height structure saves rack space and allows flexible system configuration.
Simple Maintenance
The plug-in design reduces replacement time and minimizes equipment downtime.
Flexible Integration Capability
The module can operate together with multiple 3500 Series monitoring modules.
Enhanced Equipment Protection
Accurate rotational information improves machinery protection and diagnostic performance.
Product Applications
The 3500/25-01-02-00 is suitable for applications requiring precise shaft rotational reference information.
Typical applications include:
- Steam Turbine Monitoring
- Gas Turbine Protection
- Generator Monitoring
- Compressor Condition Monitoring
- Turbo Machinery Diagnostics
- Industrial Motor Monitoring
- Pump Monitoring Systems
- Rotor Dynamic Testing
- Machinery Balancing
- Vibration Phase Analysis
- Rotating Equipment Diagnostics
- Power Plant Equipment Protection
- Petrochemical Machinery Monitoring
- Oil Refinery Equipment
- Offshore Platform Machinery
- Natural Gas Compression Systems
- Marine Propulsion Systems
- Heavy Industrial Equipment
- Critical Rotating Machinery Protection
Operating Characteristics
The module operates continuously inside the protection rack and provides rotational reference information during machine operation.
The operating process includes:
- The Keyphasor sensor detects shaft rotation.
- The module receives the sensor signal.
- The signal is processed into accurate timing information.
- The monitoring system uses the reference signal for analysis and protection.
The module provides stable performance during long-term operation and supports accurate machinery diagnostics.
Its modular design allows easy integration into new systems or existing protection installations.
Recommended Models from the Same Series or Related Products
| Model | Product Type | Main Function | Installation | Approximate Dimensions | Approximate Weight |
|---|---|---|---|---|---|
| 3500/25-01-00 | Keyphasor Module | Rotational reference processing | Rack Mounted | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25-01-01-00 | Keyphasor Module | Shaft timing reference | Rack Mounted | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25-01-02-00 | Keyphasor Module | Rotational signal processing | Rack Mounted | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25 125800-01 | Half-Height Keyphasor Module | Speed and phase measurement | Rack Mounted | 241 × 24 × 260 mm | 0.90 kg |
| 3500/42M | Vibration Monitoring Module | Shaft vibration monitoring | Rack Mounted | 241 × 24 × 260 mm | 1.00 kg |
Technical Parameters of Recommended 3500 Series Models
| Model | Power Supply | Main Function | Application | Approximate Dimensions | Approximate Weight |
|---|---|---|---|---|---|
| 3500/25-01-00 | Rack Powered | Keyphasor signal processing | Speed monitoring | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25-01-01-00 | Rack Powered | Shaft reference processing | Phase analysis | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25-01-02-00 | Rack Powered | Rotational timing reference | Machinery diagnostics | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25 125800-01 | Rack Powered | Keyphasor monitoring | Rotor analysis | 241 × 24 × 260 mm | 0.90 kg |
| 3500/42M | Rack Powered | Vibration monitoring | Shaft protection | 241 × 24 × 260 mm | 1.00 kg |
Popular Models from the Same Brand
| Model | Product Type | Main Application | Approximate Dimensions | Approximate Weight |
|---|---|---|---|---|
| 3300 XL 8 mm Proximitor Sensor | Proximity Sensor System | Shaft vibration measurement | 120 × 60 × 40 mm | 0.45 kg |
| 330103-00-05-10-02-00 | Proximity Probe | Shaft displacement monitoring | 120 × 25 × 25 mm | 0.30 kg |
| 3500/15-05-05-00 | Power Supply Module | Rack power management | 241 × 24 × 260 mm | 1.10 kg |
| 3500/42M | Vibration Monitoring Module | Vibration and position monitoring | 241 × 24 × 260 mm | 1.00 kg |
| 3500/53 | Overspeed Protection Module | Turbine safety monitoring | 241 × 24 × 260 mm | 1.00 kg |
Technical Parameters of Popular Brand Models
| Model | Product Function | Installation Method | Application Area | Approximate Dimensions | Approximate Weight |
|---|---|---|---|---|---|
| 3300 XL 8 mm Proximitor Sensor | Shaft Vibration Measurement | Field Mounted | Rotating Machinery Monitoring | 120 × 60 × 40 mm | 0.45 kg |
| 330103-00-05-10-02-00 | Shaft Position Measurement | Field Mounted | Machinery Protection | 120 × 25 × 25 mm | 0.30 kg |
| 3500/15-05-05-00 | Rack Power Supply | Rack Mounted | System Power Management | 241 × 24 × 260 mm | 1.10 kg |
| 3500/42M | Vibration Monitoring Module | Rack Mounted | Shaft Protection | 241 × 24 × 260 mm | 1.00 kg |
| 3500/53 | Overspeed Protection Module | Rack Mounted | Turbine Safety Monitoring | 241 × 24 × 260 mm | 1.00 kg |
Conclusion
The Bently Nevada 3500/25-01-02-00 is a specialized Half-Height Keyphasor Module designed for the 3500 Series Machinery Protection System.
It provides accurate rotational reference information required for shaft speed measurement, phase analysis, vibration diagnostics, and rotating equipment protection.
With reliable signal processing capability, compact rack design, easy maintenance, and compatibility with other monitoring modules, the product provides an important solution for critical machinery monitoring applications.
The module helps improve equipment reliability, increase diagnostic accuracy, support predictive maintenance programs, and enhance the protection of industrial rotating machinery.