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- Bently Nevada
- 330881-16-00-262-06-02
- PROXPAC XL Proximity Sensor
- USA
- 91.4 x 144.8 mm
- 1.44 kg
- Xiamen, China
- New & In Stock
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Overview
The Bently Nevada 330881-16-00-262-06-02 is a PROXPAC XL Proximity Transducer Assembly designed for non-contact measurement of shaft vibration and displacement in rotating machinery applications.
Unlike traditional proximity measurement systems that require separate probe housing and external signal-conditioning components, the PROXPAC XL integrates the proximity probe and Proximitor Sensor into a single assembly. This integrated design simplifies installation, reduces wiring complexity, and provides a compact solution for machinery monitoring applications.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand | Bently Nevada |
| Model | 330881-16-00-262-06-02 |
| Product Type | PROXPAC XL Proximity Transducer Assembly |
| Series | 3300 XL |
| Compatible Probe | 3300 XL 8 mm Proximity Probe |
| Probe Penetration | 262 mm |
| Dimensions | 91.4 × 144.8 mm |
| Weight | 1.44 kg |
| Measurement Principle | Eddy-Current Proximity Sensing |
| Measurement Type | Shaft Displacement / Relative Vibration |
| Linear Range | 2 mm (80 mils) |
| Typical Gap Setting | 1.27 mm |
| Mounting Connection | 3/4-14 NPT |
| Application | Rotating Machinery Monitoring |
Applications
Turbines
The PROXPAC XL assembly provides reliable shaft vibration and displacement monitoring for steam and gas turbines, helping protect critical rotating components.
Compressors
For centrifugal and industrial compressors, the integrated design allows accurate rotor movement monitoring while reducing installation complexity.
Pumps
The assembly can be used on critical process pumps where continuous shaft condition monitoring is required to identify abnormal mechanical behavior.
Generators
Large generators can use the PROXPAC XL for monitoring shaft position and vibration changes during operation.
Industrial Machinery
It is suitable for power generation, oil and gas, petrochemical, and other industries where rotating equipment reliability is essential.
How It Works
The 330881-16-00-262-06-02 combines a 3300 XL 8 mm proximity probe and an integrated Proximitor Sensor into one mechanical assembly.
The measurement process is:
Rotating Shaft → Proximity Probe → Integrated Proximitor Sensor → Monitoring System
The proximity probe generates an electromagnetic field and detects changes in the distance between the probe tip and the conductive shaft surface. These changes are converted into electrical signals representing shaft displacement or vibration.
The integrated design reduces the need for separate probe housings and external signal-conditioning components, making the installation more compact and easier to maintain compared with traditional proximity measurement configurations.
Key Benefits
| Feature | Benefit |
|---|---|
| Integrated Assembly | Combines sensing and signal conditioning in one unit. |
| 3300 XL Technology | Uses proven proximity measurement technology for rotating machinery monitoring. |
| Reduced Wiring | Simplifies installation compared with separate probe and electronics arrangements. |
| Non-Contact Measurement | Provides continuous shaft monitoring without mechanical contact. |
| Compact Installation | Suitable for applications where installation space is limited. |
| Reliable Monitoring | Supports accurate shaft vibration and displacement measurement. |
Related Components
| Component | Function |
|---|---|
| 330881-16-00-262-06-02 PROXPAC XL | Complete proximity measurement assembly. |
| 3300 XL 8 mm Probe | Detects shaft movement using eddy-current technology. |
| Proximitor Sensor | Processes the proximity probe signal. |
| Monitoring System | Receives and analyzes vibration and displacement data. |
| Field Wiring | Provides electrical connection to the monitoring equipment. |
| Shaft Target | Conductive surface detected by the proximity probe. |
Installation
The PROXPAC XL assembly should be installed with correct alignment between the probe tip and the monitored shaft surface.
Before installation, technicians should verify:
- Complete model configuration
- Mounting connection compatibility
- Probe penetration requirements
- Installation position
- Shaft surface condition
- Field wiring connection
- Correct probe gap adjustment
The probe gap directly affects measurement performance. An incorrect gap may cause unstable readings, reduced accuracy, or incorrect vibration signals.
Because the Proximitor Sensor is integrated into the assembly, installation procedures are different from systems that use a separate external signal conditioner.
Troubleshooting
| Problem | Possible Cause | Recommended Check |
|---|---|---|
| No Output Signal | Power supply or wiring issue | Check field wiring and monitoring connections. |
| Unstable Reading | Incorrect probe gap or mechanical movement | Verify installation position and mounting stability. |
| Incorrect Vibration Value | Sensor installation issue or actual machine condition | Compare with other monitoring channels. |
| Signal Interruption | Loose connection or damaged wiring | Inspect wiring and connection points. |
| Measurement Drift | Environmental influence or installation problem | Check mounting condition and operating environment. |
Recommended Models
| Model | Product Type | Application |
|---|---|---|
| 330881-16-00-262-06-02 | PROXPAC XL Proximity Transducer Assembly | Integrated shaft monitoring solution |
| 330881-16-00-385-06-02 | PROXPAC XL Proximity Transducer Assembly | Longer penetration application |
| 330881-16-10-110-06-02 | PROXPAC XL Proximity Transducer Assembly | Alternative installation configuration |
| 3300 XL 8 mm Proximity Probe | Eddy-Current Proximity Probe | Shaft vibration monitoring |
| 3300 XL Proximitor Sensor | Signal Conditioner | Probe signal processing |
| 3300 Monitoring System | Machinery Monitoring System | Equipment protection |
Related Products
| Product / Series | Product Type | Main Use |
|---|---|---|
| PROXPAC XL Series | Integrated Proximity Assembly | Shaft vibration and displacement monitoring |
| 3300 XL 8 mm Series | Proximity Probe System | Rotating machinery monitoring |
| 3300 XL Proximitor Sensor | Signal Processing Module | Proximity signal conversion |
| 3300 XL Extension Cable | Extension Cable | Probe system connection |
| 3300 Monitoring System | Machinery Protection System | Condition monitoring |
| Bently Nevada Proximity Probes | Eddy-Current Sensor | Shaft position measurement |
Technical FAQs
1. What is the main advantage of the PROXPAC XL design?
The PROXPAC XL integrates the proximity probe and Proximitor Sensor into one assembly, reducing installation complexity and eliminating the need for separate external signal-conditioning hardware.
2. How does the 330881-16-00-262-06-02 measure shaft vibration?
It uses eddy-current proximity sensing technology to detect changes in the distance between the probe tip and the conductive shaft surface, converting these changes into vibration and displacement signals.
3. Why is the probe gap important in PROXPAC XL installation?
The probe gap determines the operating point of the measurement system. Incorrect adjustment can cause inaccurate readings, unstable signals, or reduced measurement range.
4. What components are required for a complete PROXPAC XL monitoring system?
A typical installation includes the PROXPAC XL assembly, field wiring, a compatible machinery monitoring system, and the rotating shaft target being measured.
5. What should be checked before replacing a PROXPAC XL assembly?
The complete model number, probe penetration, mounting configuration, wiring requirements, installation position, and compatibility with the existing monitoring system should be verified before replacement.