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- Bently Nevada
- 3500/25-02-01-01
- Enhanced Keyphasor Module
- USA
- 241 × 24 × 250 mm
- 0.82kg
- Xiamen, China
- New & In Stock
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Bently Nevada 3500/25-02-01-01 Technical Overview, Specifications, Features, Applications, and Related Models
Bently Nevada 3500/25-02-01-01 Product Introduction
The 3500/25-02-01-01 is a highly reliable Keyphasor® Module designed for use within the 3500 Machinery Protection System. It serves as a critical component for collecting and processing Keyphasor signals from rotating equipment. These signals provide accurate shaft rotational reference information, enabling vibration monitoring modules and condition monitoring software to perform phase analysis, speed measurement, vector calculations, and dynamic diagnostics.
The module continuously receives input signals generated by proximity probes or magnetic pickups installed on rotating shafts. By converting these signals into stable timing references, it synchronizes the operation of multiple monitoring channels throughout the protection system. This synchronization significantly improves diagnostic accuracy for turbines, compressors, generators, pumps, motors, fans, and other high-speed rotating machinery.
Designed for continuous industrial operation, the module integrates seamlessly into the 3500 rack architecture and operates with other monitoring modules without requiring complicated external synchronization hardware. Its robust electronic design ensures stable operation even in harsh industrial environments where vibration, electromagnetic interference, and temperature fluctuations are common.
Because rotating equipment health depends heavily on precise timing references, the 3500/25-02-01-01 plays an essential role in predictive maintenance programs. It helps maintenance personnel detect shaft movement anomalies, imbalance, misalignment, eccentricity, looseness, and other mechanical faults before they develop into major failures.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/25-02-01-01 |
| Product Type | Keyphasor Module |
| Series | 3500 Machinery Protection System |
| Brand | Bently Nevada |
| Installation Method | 3500 Rack Mount |
| Input Channels | 2 Independent Keyphasor Inputs |
| Signal Type | Proximity Probe / Magnetic Pickup |
| Frequency Range | Suitable for low to high rotational speed applications |
| Signal Processing | Digital Pulse Processing |
| System Compatibility | Compatible with all 3500 Monitoring Modules |
| Communication | Internal 3500 Rack Backplane |
| LED Indicators | Status and Channel Indication |
| Power Supply | Supplied through 3500 Rack |
| Operating Temperature | Industrial Operating Environment |
| Storage Temperature | Industrial Storage Environment |
| Protection Features | Noise Immunity and Signal Filtering |
| Housing Material | Industrial Metal Enclosure |
| Maintenance | Hot Replaceable During Maintenance Procedures |
| Certification | Industrial Machinery Protection Standards |
| Dimensions | Approximately 241 × 24 × 250 mm |
| Weight (kg) | Approximately 0.82 kg |
Product Features
The 3500/25-02-01-01 has been engineered specifically for machinery protection systems requiring precise rotational reference signals. It provides highly accurate pulse detection and timing synchronization, ensuring monitoring modules receive stable shaft position information.
Its dual-channel architecture allows two independent Keyphasor signals to be processed simultaneously, increasing monitoring flexibility for complex rotating equipment. This configuration supports redundant signal acquisition and enables more advanced diagnostic functions.
The module employs advanced digital filtering technology that minimizes electrical noise and signal distortion. As a result, it delivers reliable performance even in electrically noisy industrial facilities.
Its modular construction allows fast installation and replacement inside the 3500 rack without extensive wiring modifications. Maintenance personnel can quickly replace the module, reducing system downtime.
Built for continuous operation, the module maintains long-term stability and accuracy throughout extended operating periods. The rugged design supports applications requiring uninterrupted machinery protection around the clock.
Product Advantages
One of the primary advantages of the 3500/25-02-01-01 is its exceptional synchronization capability. Accurate timing signals allow vibration monitoring modules to calculate shaft phase angles, rotational speed, and vector information with high precision.
Another significant advantage is excellent system integration. Since the module operates within the 3500 platform, configuration is simplified and compatibility with other protection modules is fully maintained.
High resistance to electromagnetic interference improves measurement stability, reducing false alarms caused by electrical noise.
The module supports predictive maintenance strategies by supplying reliable reference signals that enable early detection of machinery deterioration. This reduces maintenance costs while increasing equipment availability.
Its compact structure minimizes rack space requirements while providing high performance, making it suitable for installations where cabinet space is limited.
The maintenance-friendly design reduces replacement time and simplifies troubleshooting, contributing to improved operational efficiency.
Long operational life and industrial-grade construction reduce lifecycle costs and enhance overall system reliability.
Typical Applications
The 3500/25-02-01-01 is widely used in industrial facilities where rotating equipment requires continuous monitoring and protection.
Typical applications include:
- Steam turbines
- Gas turbines
- Hydro turbines
- Centrifugal compressors
- Industrial generators
- Large electric motors
- Boiler feed pumps
- Cooling water pumps
- Process pumps
- Axial fans
- Blowers
- Gearboxes
- Petrochemical rotating equipment
- Offshore production platforms
- LNG processing facilities
- Power generation plants
- Refinery process units
- Mining machinery
- Steel manufacturing equipment
- Paper production machinery
The module is especially valuable in installations where shaft phase reference is essential for advanced vibration analysis and machinery diagnostics.
Brand
Bently Nevada
Bently Nevada is internationally recognized for industrial machinery condition monitoring and protection technologies. Its monitoring systems are extensively deployed in industries requiring high equipment availability, including power generation, oil and gas, petrochemical processing, mining, marine engineering, pulp and paper production, and heavy manufacturing.
The product portfolio includes vibration monitors, proximity monitoring systems, rack-based protection systems, software platforms, communication modules, and diagnostic solutions for rotating machinery.
Series
3500 Machinery Protection System
The 3500 Series is a modular machinery protection platform designed for continuous online monitoring of critical rotating assets. The architecture allows users to combine various monitoring modules within a single rack according to application requirements.
Common module categories include:
- Rack Interface Modules
- Power Supply Modules
- Vibration Monitoring Modules
- Temperature Monitoring Modules
- Relay Modules
- Communication Modules
- Keyphasor Modules
- Position Monitoring Modules
- Process Variable Modules
The modular design allows future expansion without major system modifications, making the platform suitable for both new installations and retrofit projects.
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 | Data communication and configuration | Approximately 241 × 24 × 250 mm | Approximately 0.80 |
| 3500/15-05-05-00 | Power Supply Module | Supplies rack operating power | Approximately 241 × 24 × 250 mm | Approximately 1.20 |
| 3500/42M-04-00 | Proximitor 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 |
| 3500/40M-01-00 | Proximitor Monitor | Radial vibration monitoring | Approximately 241 × 24 × 250 mm | Approximately 0.88 |
Five Popular Models from the Same Brand
| Model | Product Type | Main Features | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 3500/92-01-01-00 | Communication Gateway Module | System communication and data transmission | Approximately 241 × 24 × 250 mm | Approximately 0.82 |
| 3300 XL 8 mm Proximitor Sensor | Proximity Monitoring System | High-precision shaft vibration measurement | Probe dependent | Approximately 0.45 |
| 3500/60-01-00 | Temperature Monitor | Multi-channel temperature monitoring | Approximately 241 × 24 × 250 mm | Approximately 0.90 |
| 3500/53-03-00 | Electronic Overspeed Detection Module | Independent overspeed protection | Approximately 241 × 24 × 250 mm | Approximately 0.87 |
| 3500/45-01-00 | Position Monitor | Valve position and differential expansion monitoring | Approximately 241 × 24 × 250 mm | Approximately 0.89 |
Summary
The 3500/25-02-01-01 is an industrial-grade Keyphasor Module developed for accurate rotational reference acquisition within the 3500 Machinery Protection System. By supplying precise shaft timing signals to multiple monitoring modules, it significantly improves vibration analysis, speed measurement, phase calculations, and machinery diagnostics.
Its dual-channel architecture, high signal integrity, excellent electromagnetic immunity, compact rack-mounted construction, and seamless compatibility with the 3500 platform make it a dependable solution for continuous machinery protection. The module is widely deployed across power generation, oil and gas, petrochemical, marine, mining, manufacturing, and other heavy industrial sectors where reliable condition monitoring is essential for maximizing equipment availability, reducing maintenance costs, and extending machinery service life.