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- Bently Nevada
- 3500/25-02-01-02
- Enhanced Keyphasor Module
- USA
- 241 × 24 × 250 mm
- 0.82kg
- Xiamen, China
- New & In Stock
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Bently Nevada 3500/25-02-01-02 Technical Specifications, Product Overview, Applications, Advantages, Brand, Series, and Recommended Models
Bently Nevada 3500/25-02-01-02 Product Introduction
The Bently Nevada 3500/25-02-01-02 is a high-performance Keyphasor® Module designed as part of the 3500 Machinery Protection System. It is engineered to receive, process, and distribute shaft reference signals from rotating equipment, providing a highly accurate timing reference for machinery monitoring and protection systems. The module plays a fundamental role in synchronizing vibration monitoring channels, enabling accurate phase measurements, rotational speed calculations, vector analysis, and dynamic machinery diagnostics.
The module accepts pulse signals generated by proximity probes or magnetic pickup sensors installed on rotating shafts. These pulses are converted into stable digital timing signals, allowing all compatible monitoring modules within the rack to operate using the same rotational reference. This synchronization greatly improves the accuracy of vibration analysis and condition monitoring.
The 3500/25-02-01-02 has been developed for continuous industrial operation in demanding environments where machinery reliability is essential. It supports a broad range of rotating assets, including steam turbines, gas turbines, centrifugal compressors, industrial generators, motors, pumps, fans, blowers, and gearboxes. The module contributes to predictive maintenance strategies by providing accurate shaft reference information for advanced machinery diagnostics.
Its rack-mounted modular construction allows straightforward installation and replacement within the 3500 system. Since the module communicates directly through the rack backplane, no complicated external synchronization equipment is required. The compact industrial design, combined with long-term operational stability, makes it a preferred solution for critical machinery protection applications.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/25-02-01-02 |
| Product Type | Keyphasor® Module |
| Brand | Bently Nevada |
| Series | 3500 Machinery Protection System |
| Mounting Method | 3500 Rack Installation |
| Input Channels | 2 Independent Keyphasor Channels |
| Supported Sensors | Proximity Probe and Magnetic Pickup |
| Signal Processing | Digital Pulse Processing |
| Primary Function | Shaft Reference Signal Processing |
| Synchronization | Multi-Channel Timing Reference |
| Communication | Internal Rack Backplane |
| LED Indicators | Module Status and Channel Status |
| Power Supply | Supplied by 3500 Rack |
| Noise Immunity | High Electromagnetic Interference Resistance |
| Module Configuration | Software Configurable |
| Maintenance | Modular Replacement Design |
| Operating Environment | Continuous Industrial Duty |
| Housing Material | Industrial Metal Construction |
| Cooling Method | Natural Air Cooling |
| Protection Capability | Machinery Timing Synchronization |
| Dimensions | Approximately 241 × 24 × 250 mm |
| Weight (kg) | Approximately 0.82 kg |
Product Features
The 3500/25-02-01-02 is designed to deliver highly accurate shaft timing reference signals for industrial machinery protection systems. It continuously monitors incoming Keyphasor signals and provides synchronized reference outputs to vibration monitoring modules installed within the same rack.
The dual independent input channels allow simultaneous monitoring of multiple shaft reference signals, providing greater flexibility for complex rotating machinery applications.
Its advanced digital electronics improve signal quality by minimizing electrical interference and pulse distortion. Stable timing references improve the precision of shaft phase analysis and rotational diagnostics.
The module integrates directly into the 3500 rack architecture, eliminating the need for additional synchronization hardware. This simplifies system configuration and reduces installation costs.
Industrial-grade electronic components ensure reliable long-term operation under harsh environmental conditions, including high vibration, electrical noise, and continuous operation.
The module also supports rapid replacement during maintenance, reducing downtime and simplifying servicing procedures.
Product Advantages
One of the major advantages of the 3500/25-02-01-02 is its ability to provide highly accurate rotational reference signals for advanced machinery diagnostics. Reliable shaft timing significantly improves vibration analysis accuracy.
Its excellent compatibility with all major monitoring modules in the 3500 platform allows seamless system integration without requiring additional interface devices.
The dual-channel architecture increases operational flexibility by supporting multiple reference signals simultaneously, making it suitable for complex rotating equipment.
Excellent electromagnetic interference resistance ensures dependable operation even in electrically demanding industrial environments.
The module contributes to predictive maintenance by allowing early detection of imbalance, shaft misalignment, looseness, eccentricity, rubs, and other mechanical faults before they develop into major failures.
Its compact rack-mounted design optimizes cabinet space while maintaining high performance and reliability.
The robust industrial construction supports continuous operation with minimal maintenance requirements, resulting in lower lifecycle costs and improved equipment availability.
Product Applications
The 3500/25-02-01-02 is widely applied in industries where continuous monitoring of rotating machinery is required to maximize operational reliability and minimize unexpected downtime.
Typical applications include:
- Steam turbine monitoring
- Gas turbine protection
- Hydroelectric turbine monitoring
- Centrifugal compressor systems
- Industrial generators
- Large electric motors
- Boiler feed pumps
- Cooling water pumps
- Process pumps
- Petrochemical compressors
- Axial fans
- Industrial blowers
- Gearboxes
- LNG production facilities
- Offshore oil and gas platforms
- Petroleum refineries
- Power generation plants
- Mining equipment
- Steel manufacturing machinery
- Cement production facilities
- Paper manufacturing equipment
- Chemical processing plants
- Water treatment facilities
The module is particularly valuable wherever accurate shaft rotational reference information is required for advanced vibration monitoring and machinery protection.
Brand
Bently Nevada
Bently Nevada is a globally recognized brand specializing in machinery condition monitoring and protection technologies. Its products are extensively used in industrial sectors that depend on reliable rotating equipment, including energy production, oil and gas processing, petrochemical manufacturing, mining, marine engineering, heavy industry, and process automation.
The brand’s product portfolio includes vibration monitoring systems, proximity sensing solutions, rack-based machinery protection systems, communication interfaces, diagnostic software, speed monitoring modules, temperature monitoring equipment, and position monitoring devices.
Series
3500 Machinery Protection System
The 3500 Series is a modular online machinery protection platform designed to continuously monitor the operating condition of critical rotating equipment. Each module performs a dedicated monitoring function while communicating through a common rack architecture.
The system supports flexible expansion and can be configured according to individual machinery protection requirements.
Common module categories include:
- Rack Interface Modules
- Power Supply Modules
- Keyphasor Modules
- Vibration Monitoring Modules
- Position Monitoring Modules
- Temperature Monitoring Modules
- Process Variable Modules
- Communication Modules
- Relay Modules
- Speed Monitoring Modules
The modular design simplifies installation, maintenance, future upgrades, and system expansion while maintaining high reliability.
Recommended Models from the Same Series or Related Series
| Model | Product Type | Main Function | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 3500/22M-01-01-00 | Transient Data Interface Module | System communication and configuration | Approximately 241 × 24 × 250 mm | Approximately 0.80 |
| 3500/15-05-05-00 | Power Supply Module | Provides rack operating power | Approximately 241 × 24 × 250 mm | Approximately 1.20 |
| 3500/40M-01-00 | Proximitor Monitor | Radial vibration monitoring | Approximately 241 × 24 × 250 mm | Approximately 0.88 |
| 3500/42M-04-00 | Proximitor/Seismic Monitor | Shaft vibration and position monitoring | Approximately 241 × 24 × 250 mm | Approximately 0.90 |
| 3500/50M-01-00 | Tachometer Module | Speed and overspeed monitoring | Approximately 241 × 24 × 250 mm | Approximately 0.85 |
Five Popular Models from the Same Brand
| Model | Product Type | Key Parameters | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 3500/92-01-01-00 | Communication Gateway Module | Ethernet communication, rack integration | Approximately 241 × 24 × 250 mm | Approximately 0.82 |
| 3500/53-03-00 | Electronic Overspeed Detection Module | Independent overspeed protection | Approximately 241 × 24 × 250 mm | Approximately 0.87 |
| 3500/60-01-00 | Temperature Monitoring Module | Multi-channel RTD and thermocouple monitoring | Approximately 241 × 24 × 250 mm | Approximately 0.90 |
| 3500/45-01-00 | Position Monitor | Differential expansion and valve position monitoring | Approximately 241 × 24 × 250 mm | Approximately 0.89 |
| 3300 XL 8 mm Proximitor Sensor | Proximity Sensor System | High-precision shaft displacement measurement | Probe dependent | Approximately 0.45 |
Conclusion
The Bently Nevada 3500/25-02-01-02 is a precision-engineered Keyphasor® Module that provides reliable shaft reference signals for the 3500 Machinery Protection System. By supplying synchronized rotational timing information to monitoring modules, it enables accurate vibration analysis, shaft phase measurements, rotational speed calculations, vector analysis, and comprehensive machinery diagnostics.
Its dual-channel configuration, high signal integrity, strong resistance to electromagnetic interference, compact rack-mounted structure, and seamless integration with the 3500 platform make it an ideal solution for protecting critical rotating machinery. The module is widely deployed across power generation, petrochemical processing, oil and gas production, mining, marine engineering, manufacturing, and other heavy industrial sectors where continuous equipment monitoring, predictive maintenance, and high operational reliability are essential.