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- 3500/25-01-02-01
- Enhanced Keyphasor Module
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- 241 × 24 × 260 mm
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Bently Nevada 3500/25-01-02-01 Half-Height Keyphasor Module – Product Introduction, Technical Specifications, Applications, Advantages, Series Information and Recommended Models
Bently Nevada 3500/25-01-02-01
Product Introduction
The Bently Nevada 3500/25-01-02-01 is a Half-Height Keyphasor Module designed for the 3500 Series Machinery Protection System. It is a specialized rotational reference processing module used for monitoring the operating condition of critical rotating machinery.
The primary function of the Keyphasor module is to provide a precise timing reference signal based on the rotational position of a machine shaft. This reference signal allows the monitoring system to synchronize vibration data with the actual shaft rotation position.
In modern industrial machinery monitoring, accurate rotational reference information is essential because vibration measurements without phase information may not provide a complete understanding of machine behavior.
The 3500/25-01-02-01 receives signals from Keyphasor sensors installed near rotating shafts. The module processes these signals and provides stable rotational reference data for other monitoring modules within the protection rack.
The module is mainly used for:
- Shaft speed measurement
- Rotational position monitoring
- Phase reference generation
- Vibration phase analysis
- Rotor dynamic evaluation
- Machinery balancing support
- Rotating equipment diagnostics
The Keyphasor reference signal allows engineers to analyze the relationship between shaft position and vibration response.
This capability is important for identifying mechanical conditions such as:
- Rotor imbalance
- Shaft misalignment
- Coupling problems
- Mechanical looseness
- Rotor instability
- Abnormal vibration patterns
The module uses a compact half-height design, allowing efficient installation inside the protection rack while maintaining reliable signal processing performance.
The plug-in modular structure makes installation, replacement, and maintenance easier. The module can be replaced quickly, reducing equipment downtime.
The product is designed for continuous industrial operation and is suitable for applications requiring reliable monitoring of high-value rotating equipment.
Typical monitored machines include:
- Steam turbines
- Gas turbines
- Compressors
- Generators
- Large motors
- Pumps
- Turbo machinery
- Industrial rotating equipment
By providing accurate shaft reference information, the module improves machinery diagnostic accuracy, supports predictive maintenance programs, and helps maintain stable equipment operation.
Brand
Bently Nevada
Bently Nevada is an industrial technology brand specializing in machinery protection, vibration monitoring, condition monitoring, and rotating machinery diagnostic solutions.
Its products are designed for applications where equipment reliability, continuous monitoring, and operational safety are important.
Main product areas include:
- Machinery protection systems
- Vibration monitoring modules
- Keyphasor modules
- Shaft position monitoring devices
- Proximity measurement systems
- Communication modules
- Relay modules
- Data interface equipment
- Industrial diagnostic solutions
The products are commonly used in industries such as:
- Power generation
- Oil and gas
- Petrochemical processing
- Marine engineering
- Mining
- Metallurgy
- Heavy manufacturing
- Industrial production
Product Series
3500 Series Machinery Protection System
The 3500 Series is a modular online machinery protection system designed for continuous monitoring and protection of critical rotating equipment.
The system provides:
- Real-time machinery condition monitoring
- Vibration measurement
- Shaft displacement monitoring
- Speed measurement
- Phase reference monitoring
- Alarm processing
- Equipment protection
- Diagnostic data collection
- Communication functions
The modular rack design allows users to select and combine different monitoring modules according to equipment requirements.
Main module categories include:
- Power Supply Modules
- Rack Interface Modules
- Keyphasor Modules
- Vibration Monitoring Modules
- Shaft Position Modules
- Transient Data Interface Modules
- Relay Modules
- Overspeed Protection Modules
- Communication Modules
- Data Processing Modules
The 3500 Series provides a reliable and flexible platform for industrial machinery monitoring.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/25-01-02-01 |
| 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 3500/25-01-02-01 provides accurate rotational reference processing for advanced machinery monitoring systems.
The module processes Keyphasor sensor signals and converts them into reliable timing information for vibration analysis and equipment protection.
Main features include:
- High accuracy shaft reference measurement
- Stable rotational timing signal processing
- Speed monitoring capability
- Phase measurement support
- Rotor position synchronization
- Support for vibration diagnostics
The Keyphasor reference signal allows vibration information to be evaluated according to the actual shaft rotation position.
This improves the ability to detect mechanical problems at an early stage.
The module supports analysis of:
- Rotor imbalance
- Shaft alignment problems
- Coupling conditions
- Mechanical looseness
- Rotating component abnormalities
- Rotor dynamic behavior
The half-height structure provides:
- Efficient rack space usage
- Flexible system configuration
- Easy maintenance
- Simple replacement procedure
The module communicates through the rack backplane, ensuring stable integration with other monitoring modules.
Product Advantages
Accurate Phase Reference
The module provides precise shaft timing information required for advanced vibration analysis.
This improves the accuracy of phase-based machinery diagnostics.
Better Machinery Condition Evaluation
The rotational reference allows engineers to understand machine behavior more clearly.
Early Fault Detection Capability
The module helps identify developing mechanical problems before serious equipment damage occurs.
Supports Predictive Maintenance
The collected reference information supports condition monitoring and maintenance planning.
Reliable Industrial Operation
The module is designed for long-term operation in demanding industrial environments.
Compact Rack Design
The half-height structure reduces installation space requirements.
Easy Maintenance
The plug-in module design allows quick replacement and reduces downtime.
Flexible System Integration
The module can operate together with multiple monitoring modules in the 3500 Series system.
Product Applications
The 3500/25-01-02-01 is widely used for rotating machinery monitoring applications.
Typical applications include:
- Steam Turbine Protection
- Gas Turbine Monitoring
- Generator Condition Monitoring
- Compressor Protection
- Turbo Machinery Analysis
- Industrial Motor Monitoring
- Pump Monitoring
- Rotor Dynamic Testing
- Machinery Balancing
- Vibration Phase Analysis
- Power Plant Equipment Monitoring
- Petrochemical Machinery Protection
- Oil Refinery Equipment Monitoring
- Offshore Platform Machinery
- Natural Gas Compression Equipment
- Marine Propulsion Systems
- Heavy Industrial Machinery
- Critical Rotating Equipment Protection
Operating Characteristics
The module operates continuously inside the protection rack during machine operation.
The operating process includes:
- The Keyphasor sensor detects shaft rotation.
- The module receives the rotational signal.
- The signal is processed into timing reference information.
- The monitoring system uses the information for analysis and protection.
The module provides stable performance during long-term operation and supports accurate rotating machinery diagnostics.
Its modular design allows easy installation in both new systems and existing monitoring configurations.
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 |
| 3500/25-01-02-01 | Keyphasor Module | Advanced shaft reference monitoring | 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 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 |
| 3500/25-01-02-01 | Rack Powered | Advanced rotational 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 3500/25-01-02-01 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, vibration phase analysis, rotor evaluation, and advanced rotating machinery diagnostics.
With reliable signal processing, compact modular design, convenient maintenance, and compatibility with the 3500 Series platform, the module provides an effective solution for critical machinery monitoring applications.
The product improves equipment reliability, enhances diagnostic accuracy, supports predictive maintenance strategies, and helps protect important industrial rotating machinery.