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- Bently Nevada
- 24765-02-00
- Case Expansion Transducer Assembly
- USA
- 88.9 × 117 × 241 mm
- 2.3 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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Product Overview
The Bently Nevada 24765-02-00 is a case expansion transducer assembly used in rotating machinery monitoring systems to measure movement associated with changes in machine casing position. It forms part of the measurement arrangement used to observe casing expansion and movement as operating and thermal conditions change.
Large rotating machines can experience measurable case movement during startup, shutdown, load changes, and normal operation. This movement can be an important parameter when evaluating the mechanical behavior of turbines, compressors, generators, and other large rotating equipment. The transducer provides the sensing interface needed to convert the physical movement into information for the associated monitoring system.
The 24765-02-00 operates as one component within a complete measurement chain. Its installation involves the mechanical reference, transducer position, signal wiring, monitoring electronics, and machinery protection system. When replacing the assembly, these elements should be checked together to preserve the intended measurement arrangement.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | 24765-02-00 |
| Product Type | Case Expansion Transducer Assembly |
| Product Family | Bently Nevada Machinery Monitoring Hardware |
| Series | 24765 Series |
| Component Category | Case Expansion Measurement Hardware |
| System Role | Machine Case Expansion Monitoring |
| Measurement Function | Case Movement / Expansion Measurement |
| Interface Function | Mechanical Movement Sensing |
| Application | Rotating Machinery Monitoring |
| Sensing Arrangement | Displacement Measurement |
| Component Type | Transducer Assembly |
| System Integration | Bently Nevada Machinery Monitoring System |
| Installation | Rotating Machinery Monitoring Installation |
| Dimensions | 88.9 × 117 × 241 mm |
| Weight | 2.3 kg |
Product Features
- Case expansion transducer assembly for rotating machinery monitoring.
- Measures mechanical movement associated with machine case expansion.
- Supports observation of casing behavior during changing thermal conditions.
- Provides measurement information for startup, operation, load changes, and shutdown.
- Forms part of a broader Bently Nevada machinery monitoring architecture.
- Provides a defined interface between the sensing element and the monitored machine structure.
- Suitable for applications where case movement is an important machinery parameter.
- Requires correct mounting and reference positioning for proper measurement.
- Connects with associated field wiring and machinery monitoring electronics.
- Suitable for maintenance and replacement work on established rotating equipment monitoring systems.
Working Principle
The 24765-02-00 functions as the sensing element within a case expansion measurement system. As the monitored machine case moves relative to its reference position, the transducer detects the corresponding mechanical displacement and sends a measurement signal to the connected monitoring equipment.
Machine Case Movement → 24765-02-00 → Signal Wiring → Monitoring Electronics → Machinery Monitoring / Protection System
During machine startup, temperature changes can cause the casing to move from its initial position. The transducer tracks the applicable movement so that the monitoring system can observe the casing response as the machine approaches normal operating conditions.
Case expansion can also be observed during load changes and shutdown. When the measured behavior differs from the expected operating pattern, the information can be evaluated together with other machinery measurements to determine whether further inspection is required.
The transducer does not independently diagnose machinery condition or execute protection logic. Its measurement becomes useful when combined with the associated monitoring electronics and other machine parameters. Correct mechanical installation is therefore essential because the reference relationship between the transducer and machine case directly affects the measurement.
Role in a Bently Nevada Rotating Machinery Monitoring Architecture
The 24765-02-00 occupies the measurement layer of the machinery monitoring architecture. It provides physical movement information to the monitoring electronics, which can then use the measurement as part of a broader machinery condition and protection strategy.
| System Layer | Typical Component | Function |
|---|---|---|
| Machinery Protection | Bently Nevada Monitoring System | Evaluates machinery condition and applicable protection information |
| Monitoring Layer | Machinery Monitoring Electronics | Receives and evaluates transducer measurements |
| Signal Transmission | Measurement Cable / Field Wiring | Transfers the transducer signal to monitoring equipment |
| Measurement Layer | 24765-02-00 | Detects case expansion or related mechanical movement |
| Mechanical Reference | Machine Case / Reference Structure | Provides the movement being monitored |
| Rotating Equipment | Turbine / Compressor / Generator | Produces the thermal and mechanical conditions being observed |
| Maintenance Layer | Machinery Maintenance System | Uses measurement information for inspection and service decisions |
Industrial Applications
| Application | Transducer Role |
|---|---|
| Steam Turbines | Monitors casing movement associated with thermal expansion |
| Gas Turbines | Supports observation of case movement during operating transitions |
| Compressors | Provides case movement information for rotating machinery monitoring |
| Generators | Supports monitoring of structural movement during thermal changes |
| Large Rotating Machinery | Measures case expansion as part of condition-monitoring systems |
| Power Generation | Provides additional machinery information during startup and operation |
| Industrial Process Equipment | Supports movement monitoring on selected rotating equipment |
| Predictive Maintenance | Supplies case movement information for comparison with other machine parameters |
Installation and Maintenance
- Confirm the complete 24765-02-00 model designation and verify that it matches the intended case expansion measurement arrangement.
- Review machinery monitoring drawings, installation documentation, and applicable equipment maintenance procedures before beginning work.
- Isolate the relevant rotating equipment and follow the approved lockout and maintenance procedures before accessing the transducer.
- Identify the transducer location, mechanical reference, signal wiring, and monitored machine surface before disconnecting the existing assembly.
- Inspect the transducer, mounting hardware, connectors, and accessible surfaces for corrosion, contamination, mechanical damage, or abnormal wear.
- Remove the existing assembly carefully without disturbing the machine reference arrangement or damaging associated wiring.
- Inspect the mounting surface and reference structure to confirm that the replacement can occupy the intended measurement position.
- Install the transducer assembly according to the applicable mechanical installation procedure and secure it correctly.
- Reconnect the signal wiring and verify that cable routing does not introduce unnecessary mechanical stress or interfere with the measurement arrangement.
- Check the transducer-to-machine reference relationship and verify the installation against the approved monitoring documentation.
- Perform a controlled monitoring check and confirm that the associated system receives an appropriate case expansion measurement.
- Record the model, installation position, wiring condition, measurement verification, and maintenance observations for future troubleshooting.
Related Components
| Component | Function in the System |
|---|---|
| Bently Nevada Machinery Monitoring System | Receives and evaluates rotating machinery measurements |
| Case Expansion Transducer Cable | Transfers the transducer signal to monitoring electronics |
| Machinery Monitoring Module | Processes applicable transducer measurements |
| Machine Case / Reference Structure | Provides the mechanical movement being measured |
| Rotating Equipment | Generates the thermal and mechanical conditions being monitored |
| Machinery Protection System | Uses monitoring information for applicable protection functions |
| Monitoring Cabinet | Houses associated signal-processing and monitoring hardware |
| Machinery Condition Monitoring System | Collects and evaluates operating measurements |
Recommended Related Models
| Model | Product Type | Typical Relationship |
|---|---|---|
| Bently Nevada 24765 Series | Case Expansion Transducer Assembly | Same measurement hardware family |
| Bently Nevada Case Expansion Transducers | Case Expansion Measurement Hardware | Related sensing hardware |
| Bently Nevada Proximity Measurement Systems | Machinery Measurement Hardware | Related displacement-monitoring technology |
| Bently Nevada Machinery Monitoring Modules | Monitoring Hardware | Associated signal-processing equipment |
| Bently Nevada Machinery Protection Systems | Machinery Monitoring System | Higher-level monitoring and protection platform |
Key Advantages
- Provides a dedicated measurement arrangement for machine case expansion.
- Supports observation of casing movement during thermal and operating changes.
- Integrates with broader Bently Nevada machinery monitoring architectures.
- Supplies measurement information for startup, operation, load changes, and shutdown.
- Suitable for large rotating equipment condition-monitoring applications.
- Supports maintenance and replacement of established machinery monitoring installations.
Technical FAQs
What does the Bently Nevada 24765-02-00 measure?
The 24765-02-00 is a case expansion transducer assembly used to monitor mechanical movement associated with expansion or displacement of a machine case relative to its reference arrangement.
When is case expansion measurement particularly useful?
Case movement can be observed during startup, shutdown, load changes, and other operating transitions where thermal or mechanical conditions change. The measurement can be evaluated alongside other machinery parameters to understand overall equipment behavior.
Is the 24765-02-00 a complete machinery monitoring system?
No. It is a transducer assembly within a larger monitoring architecture. The associated monitoring electronics receive and evaluate its measurement together with other available machinery signals.
What should be checked after installing a replacement transducer?
The mounting position, mechanical reference, signal wiring, monitoring-system connection, and measurement relationship should be verified. A controlled monitoring check should then confirm that the system receives the expected case expansion signal before normal operation resumes.