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- Bently Nevada
- 22810-00-04-05-02
- 7200 Series Proximity Probe
- USA
- 8 mm
- 0.59 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Bently Nevada 22810-00-04-05-02 7200 Series Proximity Probe is a non-contact proximity sensing component used in rotating machinery condition-monitoring systems. It detects changes in the position of a conductive shaft relative to the probe without requiring the sensor to physically contact the rotating surface.
The probe is suited to rotating equipment where shaft movement, vibration, or position needs to be monitored continuously. Typical applications include turbines, compressors, pumps, motors, and other critical machinery where mechanical displacement information is required for condition assessment or protective monitoring.
As part of the Bently Nevada 7200 Series, the probe functions as the sensing element in a larger measurement channel. It works with compatible connection components and signal-conditioning equipment, allowing the electrical response generated by shaft-to-probe movement to be converted into usable machinery-monitoring information.
For commissioning and maintenance, the probe installation must be considered together with the monitored shaft, mounting arrangement, cabling, and downstream monitoring electronics. Proper probe positioning and gap adjustment are particularly important when establishing a new measurement channel or replacing an existing probe.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 22810-00-04-05-02 |
| Product Family | 7200 Series |
| Product Series | 7200 Series |
| Product Type | Proximity Probe |
| Primary Function | Non-contact shaft displacement measurement |
| System Role | Machinery condition monitoring sensor |
| Application | Rotating machinery monitoring |
| Installation | Machinery housing / probe mounting location |
| Diameter | 8 mm |
| Weight | 0.59 kg |
Product Features
- Bently Nevada 7200 Series proximity probe
- Non-contact detection of rotating shaft movement
- Suitable for shaft displacement and vibration monitoring
- Used as part of a complete proximity measurement channel
- Suitable for turbines, compressors, pumps, and motors
- 8 mm diameter sensing arrangement
- Supports continuous rotating-equipment monitoring
- Suitable for machinery diagnostic and protection architectures
Working Principle
The 22810-00-04-05-02 operates using non-contact proximity sensing. The probe establishes an electromagnetic sensing field at its tip and responds to changes in the distance between the probe and the conductive rotating shaft.
Rotating Shaft → 22810-00-04-05-02 Probe → Extension / Connection Cable → Signal Conditioning → Monitoring System
As the shaft moves relative to the probe, the electrical characteristics of the sensing circuit change. The associated signal-conditioning equipment processes this change and generates the corresponding measurement for the machinery monitoring system.
The probe serves as the measurement point and does not independently perform vibration analysis or machinery protection decisions. Those functions are carried out by the connected monitoring and protection equipment.
Typical measurement uses include:
- Shaft radial displacement
- Shaft vibration
- Axial shaft position
- Rotor movement
- Machinery condition monitoring
- Machinery protection
The installed probe gap and alignment directly affect the sensing channel, so mechanical installation should be verified as part of commissioning and after probe replacement.
Role in a Bently Nevada 7200 Series Monitoring Architecture
The 22810-00-04-05-02 occupies the sensing layer of the 7200 Series machinery monitoring architecture. It provides the physical measurement point at the rotating machine and sends the resulting electrical response through the associated measurement chain.
Rotating Machine → Proximity Probe → Extension Cable → Signal Conditioner → Monitoring / Protection System
| System Element | Function |
|---|---|
| Rotating Shaft | Provides the monitored mechanical target |
| 22810-00-04-05-02 | Detects shaft-to-probe displacement |
| Extension Cable | Carries the probe signal to associated electronics |
| Signal Conditioner | Processes the probe electrical response |
| Monitoring System | Evaluates machinery operating condition |
| Protection System | Performs configured protective functions |
| Plant Control System | Uses available machinery status information |
This arrangement separates the physical sensing function from signal processing and machinery-level decision making.
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Shaft vibration and displacement monitoring |
| Gas Turbines | Rotor movement monitoring |
| Compressors | Shaft displacement measurement |
| Centrifugal Pumps | Rotating-equipment condition monitoring |
| Electric Motors | Shaft movement and vibration monitoring |
| Industrial Fans | Rotor condition monitoring |
| Power Generation | Continuous machinery monitoring |
| Process Machinery | Critical rotating-equipment supervision |
Installation and Maintenance
- Verify that the 22810-00-04-05-02 is suitable for the intended 7200 Series measurement channel.
- Install the probe in the specified machinery mounting position.
- Orient the sensing tip correctly toward the monitored shaft target.
- Establish the required probe-to-target gap during commissioning.
- Verify the condition of the shaft target surface before finalizing the measurement channel.
- Secure the probe and mounting arrangement to prevent unwanted movement during machine operation.
- Route the probe cable to minimize mechanical stress and avoid unnecessary interference sources.
- Verify probe and extension-cable connections before starting the machine.
- Confirm that the associated signal-conditioning equipment receives the expected probe signal.
- Check the initial measurement with the machine in an appropriate commissioning condition.
- Inspect the probe, cable, mounting hardware, and connections during scheduled maintenance.
- After replacement, verify probe position, sensing gap, wiring, and monitoring-channel response before returning the machinery to normal operation.
When troubleshooting an abnormal reading, check the probe gap and mounting position first. Then inspect the cable, signal-conditioning equipment, monitoring channel, and actual machinery condition before replacing additional components.
Related Components
| Component | Function |
|---|---|
| Bently Nevada 7200 Series Probe | Detects shaft displacement |
| Extension Cable | Connects the probe to monitoring electronics |
| Proximity Signal Conditioner | Processes the probe electrical response |
| Machinery Monitor | Evaluates machinery condition |
| Shaft / Rotor | Provides the conductive measurement target |
| Probe Mounting Hardware | Maintains probe position and alignment |
| Machinery Protection System | Provides configured protective functions |
| Plant Control System | Receives available machinery status data |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Bently Nevada 7200 Series | Proximity Probe System | Shaft displacement monitoring |
| Bently Nevada Proximity Probes | Eddy-Current Probe | Rotating machinery measurement |
| Bently Nevada Extension Cables | Probe Extension Cable | Probe-to-electronics connection |
| Bently Nevada Proximity Systems | Measurement System | Machinery vibration monitoring |
| Bently Nevada Machinery Monitoring | Monitoring System | Continuous equipment supervision |
| Bently Nevada Protection Systems | Machinery Protection | Critical rotating-equipment protection |
Key Advantages
- Non-contact sensing of rotating shaft movement
- Suitable for vibration and displacement monitoring
- Part of the Bently Nevada 7200 Series measurement architecture
- Suitable for continuous rotating-machinery applications
- Can be integrated with associated signal-conditioning equipment
- Useful for machinery diagnostics and protection systems
- Applicable to turbines, compressors, pumps, motors, and other rotating equipment
Technical FAQs
What is the 22810-00-04-05-02 proximity probe used for?
The probe detects changes in the distance between its sensing tip and a conductive rotating target. Depending on the monitoring configuration, this information can be used to monitor shaft displacement, vibration, or position.
Does the probe need to physically contact the rotating shaft?
No. It is a non-contact proximity sensor. The probe is positioned near the shaft and detects changes in the shaft-to-probe relationship without mechanical contact during normal operation.
Why should the probe and signal-conditioning equipment be treated as one measurement channel?
The probe generates the sensing response, but the downstream electronics process that response into a usable measurement. A fault in the cable, signal-conditioning equipment, or monitoring channel can therefore produce symptoms similar to a probe problem.
What should be verified after replacing this proximity probe?
Verify the mechanical mounting, probe orientation, probe-to-shaft gap, cable connections, signal-conditioning response, and monitoring-channel output. The final measurement should also be checked against the actual operating condition of the rotating machinery.