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- Bently Nevada
- 3500/25-01-03-01
- Enhanced Keyphasor Module
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- 241 × 24 × 260 mm
- 0.9kg
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Bently Nevada 3500/25-01-03-01 Half-Height Keyphasor Module – Product Introduction, Technical Specifications, Applications, Advantages, Series Information and Recommended Models
Product Overview
Model: Bently Nevada 3500/25-01-03-01
The Bently Nevada 3500/25-01-03-01 is a Half-Height Keyphasor Module designed for use in the 3500 Series Machinery Protection System.
This module is a dedicated rotational reference monitoring device that provides accurate shaft timing information for rotating machinery monitoring, vibration analysis, phase measurement, and equipment protection applications.
The Keyphasor module plays an important role in rotating equipment diagnostics because it provides a precise reference point related to shaft rotation. By using this reference signal, the monitoring system can compare vibration characteristics with the exact position of the rotating shaft.
The 3500/25-01-03-01 receives signals from Keyphasor sensors installed near rotating machine shafts and processes these signals into reliable rotational reference information.
This information can be used for:
- Shaft rotational speed measurement
- Phase angle calculation
- Rotor position tracking
- Vibration analysis
- Machinery balancing
- Condition monitoring
- Fault diagnosis
In large rotating machinery, understanding the relationship between vibration and shaft position is essential. The Keyphasor reference allows engineers to identify mechanical conditions that may not be visible through vibration amplitude measurements alone.
The module helps improve the accuracy of detecting problems such as:
- Rotor imbalance
- Shaft misalignment
- Coupling defects
- Mechanical looseness
- Rotor instability
- Abnormal machine behavior
The half-height modular design allows the module to occupy less rack space while maintaining reliable performance.
The plug-in construction provides convenient installation and replacement, reducing maintenance time and minimizing equipment downtime.
The product is designed for continuous industrial operation and is suitable for critical rotating equipment where reliable monitoring is required.
Typical applications include:
- Steam turbines
- Gas turbines
- Compressors
- Generators
- Industrial motors
- Pumps
- Turbo machinery
- Large rotating process equipment
The module improves machinery reliability by providing stable rotational reference information for advanced monitoring and diagnostic functions.
Brand Information
Brand: Bently Nevada
The Bently Nevada brand focuses on industrial machinery monitoring, vibration analysis, rotating equipment protection, and condition monitoring technology.
Its products are widely applied in industries that require continuous monitoring of important mechanical assets.
The product range includes:
- Machinery protection systems
- Vibration monitoring modules
- Keyphasor modules
- Shaft displacement monitoring devices
- Proximity measurement systems
- Overspeed protection equipment
- Communication modules
- Industrial diagnostic products
The main application industries include:
- Power generation
- Oil and gas
- Petrochemical processing
- Marine engineering
- Mining
- Heavy manufacturing
- Energy production
- Industrial automation
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 vibration monitoring
- Shaft position measurement
- Rotational speed monitoring
- Phase reference measurement
- Alarm processing
- Machine protection
- Diagnostic information collection
- System communication
The modular rack architecture allows different monitoring modules to be installed according to specific application requirements.
Common module categories include:
- Power Supply Modules
- Rack Interface Modules
- Keyphasor Modules
- Vibration Monitoring Modules
- Shaft Position Monitoring Modules
- Relay Modules
- Overspeed Protection Modules
- Communication Modules
- Data Interface Modules
The 3500 Series provides a flexible solution for protecting high-value rotating machinery.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/25-01-03-01 |
| Product Type | Half-Height Keyphasor Module |
| Brand | Bently Nevada |
| Product Series | 3500 Series |
| Main Function | Rotational Reference Signal Processing |
| Application | Machinery Protection and Condition Monitoring |
| Module Format | Half-Height Rack Module |
| Installation Method | Rack Mounted |
| Rack Compatibility | 3500 Series Rack System |
| Input Signal | Keyphasor Sensor Input |
| Signal Processing Function | Shaft Timing Reference Processing |
| Speed Measurement | Supported |
| Phase Reference 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 Online Operation |
| Cooling Method | Natural Air Cooling |
| Connection Type | Rack Plug-In Connector |
| Housing Material | Industrial Metal Housing |
| Maintenance Method | Plug-In Replacement |
| Environmental Design | Industrial Grade |
| Operating Application | Critical Rotating Machinery |
| Approximate Dimensions | 241 × 24 × 260 mm |
| Approximate Weight | 0.90 kg (Approx.) |
Product Function Description
The main purpose of the 3500/25-01-03-01 is to provide an accurate rotational reference signal for machinery monitoring systems.
The module works together with a Keyphasor sensor installed near the rotating shaft.
The operating process is:
- The rotating shaft passes the reference point.
- The Keyphasor sensor generates a timing signal.
- The module receives and processes the signal.
- The monitoring system uses the reference information for analysis and protection.
The rotational reference data supports:
- Phase measurement
- Shaft vibration analysis
- Rotor balancing
- Machine performance evaluation
- Mechanical fault diagnosis
- Rotating speed monitoring
This makes the module an important component for advanced machinery condition monitoring.
Product Features
Precise Rotational Reference
The module provides accurate shaft timing information, allowing monitoring systems to determine the exact rotational position of machinery.
Enhanced Diagnostic Capability
The combination of vibration signals and rotational reference information improves fault analysis accuracy.
Supports Phase-Based Analysis
The module enables engineers to analyze vibration behavior according to shaft position.
Compact Half-Height Structure
The small rack design saves installation space and allows flexible system configuration.
Modular Installation
The plug-in design simplifies installation, replacement, and maintenance.
Reliable Long-Term Operation
The module is designed for continuous operation in industrial environments.
Flexible Integration
The module can work together with other 3500 Series monitoring modules.
Product Advantages
High Accuracy
The module provides stable and precise rotational reference information for machinery diagnostics.
Improved Fault Detection
The reference signal helps identify mechanical issues at an early stage.
Better Equipment Protection
Accurate shaft information improves machinery protection performance.
Supports Predictive Maintenance
The collected data supports condition-based maintenance strategies.
Reduced Downtime
Early detection of abnormal conditions helps prevent unexpected equipment shutdowns.
Easy Maintenance
The modular design allows quick replacement and reduces service time.
Strong Industrial Reliability
The module is suitable for demanding applications requiring continuous monitoring.
Product Applications
The 3500/25-01-03-01 is used in applications requiring accurate shaft rotational reference monitoring.
Typical applications include:
- Steam Turbine Monitoring
- Gas Turbine Protection
- Generator Condition Monitoring
- Compressor Monitoring
- Turbo Machinery Diagnostics
- Pump Protection
- Industrial Motor Monitoring
- Rotor Dynamic Testing
- Machinery Balancing
- Vibration Phase Analysis
- Power Plant Equipment Monitoring
- Petrochemical Machinery Protection
- Refinery Equipment Monitoring
- Offshore Production Systems
- Natural Gas Compression Equipment
- Marine Propulsion Systems
- Heavy Industrial Machinery
- Critical Rotating Equipment Protection
Recommended Models from the Same Series or Related Products
| Model | Product Type | Main Function | Application | Approximate Dimensions | Approximate Weight |
|---|---|---|---|---|---|
| 3500/25-01-00 | Keyphasor Module | Rotational reference processing | Shaft timing monitoring | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25-01-01-00 | Keyphasor Module | Shaft reference measurement | Phase analysis | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25-01-02-00 | Keyphasor Module | Rotational signal processing | Machinery diagnostics | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25-01-03-00 | Keyphasor Module | Advanced timing reference | Rotor monitoring | 241 × 24 × 260 mm | 0.90 kg |
| 3500/42M | Vibration Monitoring Module | Shaft vibration monitoring | Machinery protection | 241 × 24 × 260 mm | 1.00 kg |
Technical Parameters of Recommended Models
| Model | Power Supply | Signal Type | Main Function | Approximate Dimensions | Approximate Weight |
|---|---|---|---|---|---|
| 3500/25-01-00 | Rack Powered | Keyphasor Signal | Rotational reference | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25-01-01-00 | Rack Powered | Keyphasor Signal | Phase reference processing | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25-01-02-00 | Rack Powered | Keyphasor Signal | Shaft timing processing | 241 × 24 × 260 mm | 0.90 kg |
| 3500/25-01-03-01 | Rack Powered | Keyphasor Signal | Rotational monitoring | 241 × 24 × 260 mm | 0.90 kg |
| 3500/42M | Rack Powered | Dynamic Signal | Vibration monitoring | 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 overspeed protection | 241 × 24 × 260 mm | 1.00 kg |
Technical Parameters of Popular 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 displacement measurement | Field Mounted | Machinery protection | 120 × 25 × 25 mm | 0.30 kg |
| 3500/15-05-05-00 | System power supply | Rack Mounted | Protection system power management | 241 × 24 × 260 mm | 1.10 kg |
| 3500/42M | Vibration monitoring | Rack Mounted | Shaft protection | 241 × 24 × 260 mm | 1.00 kg |
| 3500/53 | Overspeed protection | Rack Mounted | Turbine safety monitoring | 241 × 24 × 260 mm | 1.00 kg |
Conclusion
The Bently Nevada 3500/25-01-03-01 is a high-reliability Half-Height Keyphasor Module designed for the 3500 Series Machinery Protection System.
It provides accurate rotational reference information required for shaft speed monitoring, phase analysis, vibration diagnostics, and rotating machinery protection.
With its reliable signal processing capability, compact modular design, easy maintenance structure, and strong compatibility with the 3500 Series platform, the module is suitable for demanding industrial applications.
The product improves machinery monitoring accuracy, supports predictive maintenance strategies, reduces unexpected failures, and enhances the protection of critical rotating equipment.