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- Bently Nevada
- 31000-28-05-00-056-01-02
- Imperial Proximity Probe Housing Assembly
- USA
- 91.4 x 144.8 mm
- 1.2 kg
- Xiamen, China
- New & In Stock
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Overview
The Bently Nevada 31000-28-05-00-056-01-02 is an Imperial Proximity Probe Housing Assembly designed to provide mechanical support and protection for proximity probes used in rotating machinery monitoring systems. It creates a stable mounting structure that helps maintain the correct position between the proximity probe and the monitored shaft.
This housing assembly is commonly used with Bently Nevada proximity measurement systems, where accurate shaft vibration and displacement monitoring depends not only on the sensor itself but also on reliable mechanical installation. By providing a secure mounting arrangement, the housing helps improve measurement stability and simplifies maintenance activities such as probe inspection, adjustment, and replacement. It is widely applied on turbines, compressors, pumps, generators, and other critical rotating equipment.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand | Bently Nevada |
| Model | 31000-28-05-00-056-01-02 |
| Product Series | 31000 |
| Product Type | Imperial Proximity Probe Housing Assembly |
| Dimensions | 91.4 × 144.8 mm |
| Weight | 1.2 kg |
| Compatible System | Bently Nevada Proximity Monitoring System |
| Compatible Probe Type | Proximity Probe Installation |
| Primary Function | Mechanical Support and Probe Protection |
| Application | Rotating Machinery Condition Monitoring |
| Typical Equipment | Turbines, Compressors, Pumps, Generators, Motors |
Applications
Turbines
The housing assembly is used in turbine monitoring installations where proximity probes require a stable mounting position for measuring shaft vibration and relative movement.
Compressors
For large compressors, accurate rotor monitoring requires a mechanically stable probe installation. The housing helps maintain the correct sensor position during continuous operation.
Pumps
Critical industrial pumps can use proximity monitoring systems with this housing assembly to support reliable shaft movement measurement and machinery protection.
Generators
Large generators require accurate shaft monitoring to detect abnormal operating conditions. The housing provides a secure structure for the associated proximity probe.
Industrial Machinery
The assembly is suitable for rotating equipment applications in power generation, oil and gas, petrochemical, and process industries where continuous condition monitoring is required.
How It Works
The Bently Nevada 31000-28-05-00-056-01-02 is a mechanical housing component, not a measurement sensor.
Its purpose is to securely hold and protect the proximity probe while maintaining the correct mechanical relationship between the probe tip and the rotating shaft. The proximity probe installed inside the housing detects changes in shaft position, while the associated electronics process the signal for vibration and displacement monitoring.
A typical monitoring chain is:
Rotating Shaft → Proximity Probe → Housing Assembly → Extension Cable → Proximitor Sensor → Monitoring System
Because proximity measurement depends on a precise probe-to-shaft relationship, the mechanical condition of the housing directly affects measurement reliability. Any looseness, incorrect installation, or unwanted movement of the housing may cause unstable readings or inaccurate vibration data.
Key Benefits
| Feature | Benefit |
|---|---|
| Dedicated Probe Housing Design | Provides mechanical support for proximity probe installations. |
| Stable Probe Positioning | Helps maintain consistent probe alignment during machine operation. |
| 31000 Series Compatibility | Designed for industrial proximity monitoring applications. |
| Probe Protection | Helps protect the sensing installation from mechanical impact and environmental conditions. |
| Maintenance Convenience | Supports easier inspection and replacement of installed probes. |
| Industrial Application | Suitable for critical rotating equipment monitoring systems. |
Related Components
| Component | Function |
|---|---|
| 31000-28-05-00-056-01-02 Housing Assembly | Provides mechanical mounting and protection for the proximity probe. |
| Proximity Probe | Detects shaft vibration and displacement through non-contact measurement. |
| Extension Cable | Connects the probe to the signal-conditioning electronics. |
| Proximitor Sensor | Processes the proximity probe signal. |
| Monitoring System | Receives and analyzes vibration and position data. |
| Shaft Target | Provides the conductive surface detected by the probe. |
Installation
Proper installation of the housing assembly is important because the housing determines the mechanical position of the proximity probe relative to the shaft target.
Before installation or replacement, technicians should verify:
- Complete housing model number
- Compatible proximity probe type
- Mounting arrangement
- Available installation space
- Probe position and alignment
- Extension cable connection
- Mechanical stability after installation
The proximity probe must maintain the correct measurement gap with the rotating shaft. The housing should provide a rigid mounting structure and should not introduce movement that could affect the probe signal.
After installation, the complete measurement system should be checked to confirm stable signal output under operating conditions.
Troubleshooting
| Problem | Possible Cause | Recommended Check |
|---|---|---|
| Unstable Vibration Signal | Housing movement or incorrect probe positioning | Inspect mounting condition and probe alignment. |
| Incorrect Measurement Output | Improper probe installation or gap setting | Verify probe position and installation condition. |
| Probe Cannot Be Installed Correctly | Incorrect housing configuration | Confirm housing and probe compatibility. |
| Signal Fluctuation | Mechanical looseness or damaged connection | Check housing stability and related components. |
| Abnormal Vibration Reading | Sensor issue or actual machine condition | Inspect the complete proximity monitoring system. |
Recommended Models
| Model | Product Type | Application |
|---|---|---|
| 31000-28-05-00-056-01-02 | Imperial Proximity Probe Housing Assembly | Standard proximity probe installation |
| 31000 Series Housing Assemblies | Probe Housing Components | Rotating machinery monitoring applications |
| 24701 Series Housing Assembly | Proximity Probe Housing | Alternative probe mounting solution |
| 3300 XL 8 mm Proximity Probe | Eddy-Current Proximity Probe | Shaft vibration and displacement monitoring |
| 3300 XL Proximitor Sensor | Signal Conditioner | Probe signal processing |
| 3300 XL Extension Cable | Probe Extension Cable | Probe-to-electronics connection |
Related Products
| Product / Series | Product Type | Main Use |
|---|---|---|
| 31000 Series | Proximity Probe Housing Assembly | Probe mounting and protection |
| 3300 XL 8 mm Series | Proximity Probe System | Shaft vibration monitoring |
| 3300 XL Proximitor Sensor | Signal Processing Module | Proximity signal conversion |
| 3300 XL Extension Cable | Extension Cable | Probe connection extension |
| 3300 Monitoring System | Machinery Monitoring System | Equipment protection and condition monitoring |
| Bently Nevada Proximity Probes | Eddy-Current Sensors | Shaft position measurement |
Technical FAQs
1. What is the function of the Bently Nevada 31000-28-05-00-056-01-02?
The housing assembly provides mechanical support for the proximity probe installation. It helps maintain the correct probe position relative to the shaft so the measurement system can operate reliably.
2. Does this housing assembly measure vibration directly?
No. The housing itself does not measure vibration. The proximity probe installed inside the housing performs the actual shaft displacement measurement, while the housing maintains the mechanical installation condition.
3. How does housing stability affect proximity measurement accuracy?
The proximity system relies on a fixed relationship between the probe tip and the shaft surface. Any movement or looseness of the housing can change the probe position and introduce unstable or inaccurate measurement signals.
4. What components are normally used with this housing assembly?
A complete system usually includes a compatible proximity probe, extension cable, signal-conditioning electronics, and a machinery monitoring system for vibration and displacement analysis.
5. What should be checked when replacing this housing assembly?
The replacement process should verify the complete model number, probe compatibility, mounting arrangement, installation position, measurement gap requirements, and connection with the existing monitoring system.