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- 3500/25-01-03-00 135473-01
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- 241 × 24 × 260 mm
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Bently Nevada 3500/25-01-03-00 (135473-01) Half-Height Keyphasor Module – Product Introduction, Technical Specifications, Applications, Advantages, Series Information and Recommended Models
Product Overview
Model: Bently Nevada 3500/25-01-03-00 (135473-01)
The Bently Nevada 3500/25-01-03-00 (135473-01) 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 used to provide accurate shaft position and timing information for rotating machinery. It plays an important role in advanced vibration monitoring, phase analysis, speed measurement, and machine condition evaluation.
The Keyphasor module receives signals from shaft-mounted reference sensors and processes the signals into stable rotational timing information. This reference information allows the machinery monitoring system to understand the exact relationship between shaft rotation and vibration behavior.
For high-speed rotating equipment, vibration amplitude alone is often not sufficient for accurate diagnosis. The rotational reference signal provided by the Keyphasor module allows engineers to perform phase-based analysis and identify potential mechanical problems with greater accuracy.
The 3500/25-01-03-00 (135473-01) provides reliable timing reference information for applications requiring continuous monitoring of critical machinery.
It is commonly installed in systems used for:
- Turbine monitoring
- Compressor protection
- Generator condition monitoring
- Large motor analysis
- Rotating equipment diagnostics
- Rotor dynamic evaluation
- Predictive maintenance systems
The module uses a half-height design, allowing efficient use of rack space while maintaining high reliability and stable signal processing performance.
The modular plug-in structure simplifies installation, replacement, and maintenance. Operators can replace the module without major system modification, reducing equipment downtime.
The product is designed for industrial environments where long-term reliability, accurate measurement, and continuous operation are required.
Brand Information
Brand: Bently Nevada
The Bently Nevada brand specializes in industrial machinery protection, vibration monitoring, and rotating equipment condition monitoring technologies.
Its products are designed to help industrial users monitor equipment health, detect abnormal operating conditions, and improve machinery reliability.
The product range includes:
- Machinery protection systems
- Vibration monitoring modules
- Keyphasor modules
- Shaft displacement monitoring equipment
- Proximity measurement devices
- Overspeed protection modules
- Communication modules
- Diagnostic monitoring solutions
These products are widely applied in industries including:
- Power generation
- Oil and gas
- Petrochemical
- Marine engineering
- Heavy industry
- Manufacturing
- Energy production
- Process industries
Product Series
3500 Series Machinery Protection System
The 3500 Series is a modular online machinery monitoring and protection platform designed for critical rotating equipment.
The system provides continuous monitoring functions including:
- Vibration monitoring
- Shaft position monitoring
- Speed measurement
- Phase reference measurement
- Alarm management
- Machine protection
- Diagnostic data collection
- Communication functions
The modular architecture allows different monitoring modules to be combined according to specific equipment requirements.
Common module types include:
- Power Supply Modules
- Rack Interface Modules
- Keyphasor Modules
- Vibration Monitoring Modules
- Shaft Position Modules
- Relay Modules
- Overspeed Protection Modules
- Communication Modules
- Data Processing Modules
The 3500 Series is designed for applications where equipment reliability and operational safety are critical.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/25-01-03-00 (135473-01) |
| 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 Signal |
| Signal Processing | Shaft Timing Reference Processing |
| Speed Measurement | Supported |
| Phase Reference Measurement | Supported |
| Rotational Position Monitoring | Supported |
| Vibration Phase Analysis | Supported |
| Rotor Synchronization | Supported |
| Communication Method | Rack Backplane Communication |
| Power Supply Method | Rack Backplane Powered |
| Operating Mode | Continuous Online Monitoring |
| Cooling Method | Natural Air Cooling |
| Connection Type | Rack Plug-In Connector |
| Housing Material | Industrial Metal Housing |
| Maintenance Method | Hot Replacement Compatible Design |
| Environmental Application | Industrial Environment |
| Approximate Dimensions | 241 × 24 × 260 mm |
| Approximate Weight | 0.90 kg (Approx.) |
Product Function Description
The main purpose of the 3500/25-01-03-00 (135473-01) is to provide an accurate rotational reference signal for machinery monitoring systems.
The module works together with Keyphasor sensors installed near rotating shafts.
During operation:
- The shaft rotates and passes the reference point.
- The sensor generates a Keyphasor signal.
- The module receives and processes the signal.
- The system uses the timing information for vibration and machine condition analysis.
The rotational reference information enables advanced diagnostic functions such as:
- Phase angle measurement
- Shaft vibration analysis
- Rotor balancing
- Mechanical fault identification
- Machine performance evaluation
- Rotational speed monitoring
Product Features
Accurate Shaft Timing Reference
The module provides a stable and precise rotational reference signal, allowing the monitoring system to accurately track shaft position.
Improved Diagnostic Capability
By combining vibration data with rotational reference information, engineers can better analyze machine behavior.
Supports Advanced Vibration Analysis
The module enables phase-related vibration analysis, which is important for identifying mechanical faults.
Compact Half-Height Design
The compact structure reduces rack space requirements while maintaining reliable performance.
Modular Installation
The plug-in design allows fast installation and convenient replacement.
Continuous Monitoring Capability
The module supports long-term operation in critical machinery applications.
Reliable Industrial Performance
The design supports demanding industrial environments with continuous vibration and operational stress.
Product Advantages
High Measurement Accuracy
The module provides accurate rotational timing information, improving the reliability of machinery diagnostics.
Better Fault Identification
The Keyphasor reference helps identify problems such as:
- Rotor imbalance
- Misalignment
- Coupling issues
- Mechanical looseness
- Rotor instability
Reduced Equipment Downtime
Early detection capability helps maintenance teams identify developing problems before major failures occur.
Supports Predictive Maintenance
The module provides important data required for condition-based maintenance strategies.
Flexible System Integration
The module can operate together with other monitoring modules in the 3500 Series system.
Easy Maintenance
The modular rack-mounted design reduces maintenance time and simplifies replacement.
Product Applications
The 3500/25-01-03-00 (135473-01) is suitable for various rotating machinery monitoring applications.
Typical applications include:
- Steam Turbine Monitoring
- Gas Turbine Protection
- Generator Monitoring
- Compressor Condition Monitoring
- Pump Monitoring Systems
- Industrial Motor Monitoring
- Turbo Machinery Diagnostics
- Rotor Dynamic Testing
- Machinery Balancing
- Vibration Phase Analysis
- Power Plant Equipment Protection
- Petrochemical Equipment Monitoring
- Refinery Machinery Monitoring
- Offshore Production Equipment
- Natural Gas Compression Systems
- Marine Propulsion Equipment
- Heavy Industrial Machinery
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 position reference | 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 (135473-01) | Keyphasor Module | Advanced timing reference | Rotor monitoring | 241 × 24 × 260 mm | 0.90 kg |
| 3500/42M | Vibration Monitoring Module | Vibration and position monitoring | Shaft protection | 241 × 24 × 260 mm | 1.00 kg |
Technical Comparison 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 | 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 |
| 3500/25-01-03-00 (135473-01) | 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 Measurement 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 | Machine vibration protection | 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 | 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 | 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 3500/25-01-03-00 (135473-01) is a reliable Half-Height Keyphasor Module designed for the 3500 Series Machinery Protection System.
The module provides accurate rotational reference information for shaft speed measurement, phase analysis, vibration diagnostics, and rotating machinery protection.
With its stable signal processing capability, compact modular structure, reliable industrial performance, and easy maintenance design, it is suitable for critical machinery monitoring applications.
The product improves equipment reliability, enhances fault diagnosis capability, supports predictive maintenance programs, and helps protect important rotating equipment operating in demanding industrial environments.