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- Bently Nevada
- 22810-00-04-50-02
- 7200 Series Proximity Probe
- USA
- 8 mm
- 0.59 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Bently Nevada 22810-00-04-50-02 is a 7200 Series proximity probe used for non-contact measurement of rotating shaft movement. It forms the sensing end of a proximity measurement channel and is typically positioned close to a conductive shaft or target surface in rotating machinery.
In practical machinery monitoring systems, the probe detects changes in the gap between its sensing tip and the rotating target. Shaft movement caused by vibration, mechanical displacement, or changing operating conditions produces a corresponding change in the measurement signal.
The probe can be used on equipment such as steam turbines, compressors, pumps, motors, and generators where continuous observation of shaft behavior is required. It is particularly useful at measurement points where direct mechanical contact with the rotating component is not desirable.
The 22810-00-04-50-02 normally operates together with compatible proximity driver and monitoring electronics. The complete measurement channel converts the probe signal into information that can be used for machinery condition monitoring, alarm processing, and equipment protection.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 22810-00-04-50-02 |
| Product Family | 7200 Series |
| Product Series | 7200 Series Proximity Probe |
| Product Type | Proximity Probe |
| Measurement Type | Non-contact displacement measurement |
| Primary Function | Shaft vibration and position monitoring |
| Measurement Principle | Eddy-current proximity sensing |
| System Role | Rotating machinery condition monitoring |
| Typical Equipment | Turbines, compressors, pumps, motors, generators |
| Installation | Fixed proximity mounting near the rotating shaft |
| Diameter | 8 mm |
| Weight | 0.59 kg |
Product Features
- 7200 Series proximity probe for rotating machinery measurement.
- Non-contact sensing for monitoring shaft movement.
- Suitable for relative shaft displacement and vibration applications.
- Used with associated proximity driver and monitoring electronics.
- Supports continuous measurement of critical rotating equipment.
- Compact probe construction for fixed machinery installation.
- Applicable to turbines, compressors, pumps, motors, and generators.
Working Principle
The 22810-00-04-50-02 uses proximity sensing to detect changes in the distance between the probe tip and a conductive machine target. When the rotating shaft moves relative to the probe, the electrical characteristics of the sensing field change.
The associated proximity driver converts this change into a usable electrical measurement. Monitoring equipment can then process the signal to determine shaft vibration, relative displacement, or shaft position.
Rotating Shaft → 22810-00-04-50-02 Probe → Proximity Driver → Monitoring System → Alarm / Protection
Typical measurements include:
- Radial shaft movement
- Relative shaft vibration
- Shaft position
- Mechanical displacement
- Changes in rotating equipment condition
The probe must be installed with the correct mechanical positioning relative to the target surface so that the measurement channel can operate within its intended sensing range.
Role in a Rotating Machinery Control Architecture
The probe is the field sensing element at the beginning of a rotating machinery monitoring channel. It converts physical shaft movement into a signal that can be processed by downstream proximity and monitoring electronics.
Machine Shaft → Proximity Probe → Driver / Signal Conditioning → Machinery Monitoring → DCS / Protection System
| System Element | Function |
|---|---|
| Rotating Shaft | Provides the monitored mechanical target |
| 22810-00-04-50-02 | Detects changes in shaft-to-probe distance |
| Proximity Driver | Interfaces with the probe and conditions the measurement |
| Monitoring Module | Processes vibration or displacement information |
| Machinery Protection System | Generates configured alarms or protective actions |
| DCS / Control System | Receives relevant equipment condition information |
This arrangement separates the physical sensing point from the monitoring electronics, allowing the probe to be installed directly at the machinery measurement location.
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Relative shaft vibration and displacement monitoring |
| Gas Turbines | Rotor and shaft movement monitoring |
| Compressors | Shaft vibration measurement |
| Pumps | Monitoring shaft movement and mechanical condition |
| Motors | Detection of abnormal shaft vibration |
| Generators | Rotor displacement and vibration monitoring |
| Gearboxes | Rotating shaft condition monitoring |
| Critical Rotating Equipment | Continuous machinery condition measurement |
Installation and Maintenance
- Mount the probe securely at the specified machinery measurement location.
- Position the sensing tip correctly relative to the conductive target.
- Verify that the mounting arrangement does not introduce unwanted mechanical movement.
- Keep the probe sensing area clean and free from physical interference.
- Route the probe cable away from excessive vibration and mechanical damage.
- Avoid sharp bends or excessive stress on the cable connection.
- Confirm the probe is connected to the appropriate proximity driver.
- Check the complete measurement channel before equipment startup.
- Verify stable signal behavior during initial operation.
- Compare measured shaft movement with expected machinery operating conditions.
- Inspect probe mounting and cabling during scheduled equipment maintenance.
- Investigate unstable or abnormal readings together with other machinery condition data.
Probe maintenance should be considered together with the driver, cabling, monitoring channel, and mechanical mounting arrangement because problems in any part of the measurement chain can affect the final signal.
Related Components
| Component | Function |
|---|---|
| 7200 Series Proximity Probe | Detects shaft movement without mechanical contact |
| Proximity Driver | Provides the probe interface and signal conditioning |
| Probe Extension Cable | Connects the probe to the driver |
| Machinery Monitoring Module | Processes vibration and displacement signals |
| Vibration Monitoring Channel | Provides continuous machine measurement |
| Alarm System | Indicates configured abnormal conditions |
| Machinery Protection System | Performs protective monitoring functions |
| DCS Interface | Transfers selected monitoring data to plant control |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Bently Nevada 7200 Series | Proximity Probe | Shaft vibration and displacement monitoring |
| Bently Nevada 3300 XL Series | Proximity Probe | Rotating machinery condition monitoring |
| Bently Nevada 7200 Series Extension Cable | Extension Cable | Probe-to-driver connection |
| Bently Nevada Proximity Driver | Probe Driver | Probe signal interface |
| Bently Nevada Machinery Monitoring System | Monitoring System | Vibration and machine condition monitoring |
| Bently Nevada Machinery Protection System | Protection System | Critical rotating equipment protection |
Key Advantages
- Non-contact sensing of rotating shaft movement.
- Suitable for continuous machinery monitoring.
- Compact form factor for fixed installation near rotating equipment.
- Applicable to shaft vibration and displacement measurement.
- Integrates into a complete proximity measurement channel.
- Suitable for critical turbine, compressor, pump, motor, and generator applications.
- 7200 Series construction for established industrial machinery monitoring systems.
Technical FAQs
What does the 22810-00-04-50-02 measure?
It detects changes in the distance between the probe and a conductive rotating target, allowing the associated monitoring system to evaluate shaft vibration, displacement, or position.
Why is non-contact measurement useful for rotating machinery?
The probe does not need to physically touch the rotating shaft. This allows shaft movement to be monitored continuously without introducing mechanical contact between the sensing element and the rotating component.
What equipment is normally used with this probe?
The probe is normally part of a complete proximity measurement channel that includes a compatible proximity driver, associated cabling, and machinery monitoring or protection electronics.
What installation condition has the greatest effect on measurement quality?
The mechanical relationship between the probe tip and the monitored target is critical. Probe mounting, target clearance, alignment, cable condition, and the stability of the mounting structure should all be checked during commissioning.