Product Introduction
The Bently Nevada 330881-28-00-55-03-00 PROXPAC XL Proximity Transducer is an integrated proximity measurement solution designed for accurate and stable monitoring of shaft vibration and shaft position in rotating machinery. As a member of the PROXPAC XL series, this device combines the proximity probe, extension cable, and Proximitor® sensor into a single, factory-assembled unit.
This integrated structure significantly reduces installation complexity and wiring effort while maintaining the proven measurement accuracy of Bently Nevada proximity systems. The PROXPAC XL design is especially suitable for installations with limited space, retrofit projects, or applications requiring fast commissioning and high reliability in continuous-duty industrial environments.
Product Specifications
| Parameter |
Description |
| Product Type |
Integrated Proximity Transducer |
| Series |
PROXPAC XL |
| Model Number |
330881-28-00-55-03-00 |
| Measurement Principle |
Eddy current, non-contact |
| Measured Variables |
Shaft vibration, shaft position |
| Integrated Components |
Probe, extension cable, Proximitor sensor |
| System Compatibility |
Bently Nevada 3300 / 3300 XL monitoring systems |
| Output Signal |
Standard proximity transducer signal |
| Installation Method |
Direct mounting |
| Operating Design |
Continuous industrial operation |
| Housing Type |
Rugged industrial enclosure |
| Dimensions |
91.4 × 144.8 mm |
| Weight |
1.44 kg |
Applications
• Steam and Gas Turbines – Continuous shaft vibration and position monitoring
• Centrifugal and Axial Compressors – Detection of shaft displacement and dynamic behavior
• Industrial Pumps – Early fault detection for critical rotating components
• Large Electric Motors – Condition monitoring for predictive maintenance programs
• Gearboxes – Monitoring of shaft movement caused by misalignment or wear
• Oil & Gas Machinery – Reliable performance in demanding industrial environments
Advantages
• Integrated All-in-One Design – Reduces installation time and wiring complexity
• Space-Efficient Solution – Ideal for compact machinery layouts
• Non-Contact Measurement – Eliminates mechanical wear and signal degradation
• High Measurement Stability – Maintains consistent output over long operating periods
• Reduced Installation Errors – Factory-assembled configuration minimizes field mistakes
• Proven Bently Nevada Technology – Trusted performance in critical machinery protection
FAQ
1. What is the primary function of the PROXPAC XL transducer?
It provides non-contact measurement of shaft vibration and shaft position for rotating machinery.
2. What makes the PROXPAC XL different from standard proximity systems?
It integrates the probe, cable, and Proximitor into a single unit, simplifying installation.
3. Is this model suitable for continuous monitoring applications?
Yes, it is designed for continuous-duty operation in critical industrial equipment.
4. Can it be used in retrofit or upgrade projects?
Yes, the integrated design makes it ideal for replacing traditional multi-component proximity systems.
5. What type of measurement technology does it use?
It uses eddy current technology for precise, non-contact shaft measurement.
6. How does the integrated design improve system reliability?
Fewer connections reduce potential failure points and signal integrity issues.
7. Is this transducer compatible with existing Bently Nevada systems?
Yes, it is fully compatible with Bently Nevada 3300 and 3300 XL monitoring platforms.
8. Can it monitor both vibration and position simultaneously?
Yes, depending on system configuration, it supports both measurement functions.
9. Is the device suitable for harsh industrial environments?
Yes, its rugged enclosure supports stable operation in demanding industrial conditions.
10. What types of faults can this transducer help detect?
It helps identify imbalance, misalignment, shaft rubs, and other mechanical abnormalities.
Related Models
| Model |
Description |
| 330881-01-00-000-00-02 |
PROXPAC XL integrated proximity transducer |
| 330880-XX-XX |
PROXPAC XL proximity transducer series |
| 330710-000-050-50-02-00 |
3300 XL 11 mm proximity probe |
| 330851-02-000-030-50-00-00 |
3300 XL 25 mm proximity probe |
| 330780-50-00 |
Proximitor sensor |
| 330730-040-00 |
Extension cable |
Popular Models
| Model |
Product Type |
Typical Application |
| 330881-28-00-55-03-00 |
PROXPAC XL |
Integrated shaft monitoring |
| 330881-01-00-000-00-02 |
PROXPAC XL |
Compact proximity measurement |
| 330710-000-050-50-02-00 |
Proximity Probe |
Standard vibration monitoring |
| 330851-02-000-030-50-00-00 |
Proximity Probe |
Large shaft displacement |
| 3500/42M |
Vibration Monitor |
Machinery protection system |
| 3500/22M |
TDI Module |
Monitoring system interface |
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