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- 330881-28-06-105-00-02
- PROXPAC XL Proximity Transducer Assembly
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Bently Nevada 330881-28-06-105-00-02 Comprehensive Product Overview, Technical Specifications, Applications, Advantages and Series Guide
Product Overview
The Bently Nevada 330881-28-06-105-00-02 is a high-performance non-contact proximity probe designed for continuous condition monitoring of rotating machinery. It is part of the well-established 3300 XL 8 mm Proximity Transducer Series, a product family recognized for delivering accurate shaft displacement and vibration measurements in demanding industrial environments.
This model is intended for use in machinery protection systems where precise monitoring of shaft movement is essential for maintaining equipment reliability. By utilizing eddy current sensing technology, the probe accurately measures the distance between the probe tip and the conductive target without physical contact. This non-contact operating principle eliminates mechanical wear while ensuring excellent long-term measurement stability.
The probe is engineered for continuous online monitoring of critical rotating assets operating under heavy loads, high rotational speeds, and varying environmental conditions. Its robust construction enables dependable performance even in applications involving vibration, oil contamination, humidity, dust, and temperature fluctuations.
The 330881-28-06-105-00-02 is suitable for integration into machinery protection systems, condition monitoring platforms, and predictive maintenance programs where early detection of abnormal mechanical behavior is required. Its high sensitivity and rapid response help maintenance personnel identify developing faults before they become serious mechanical failures.
Brand
Bently Nevada
Bently Nevada is recognized throughout the industrial automation and machinery monitoring industry for its specialized products used in equipment protection and predictive maintenance. The brand has built a long-standing reputation for providing reliable vibration monitoring, shaft displacement measurement, rotor dynamics analysis, and machinery health monitoring solutions used in power generation, oil and gas, petrochemical, mining, steel manufacturing, marine engineering, and numerous other industrial sectors.
Its monitoring products are designed for continuous operation, emphasizing measurement accuracy, operational reliability, and long service life in harsh industrial environments.
Product Series
3300 XL 8 mm Proximity Transducer Series
The 330881-28-06-105-00-02 belongs to the 3300 XL 8 mm Proximity Transducer Series, one of the most widely used proximity measurement platforms for rotating equipment monitoring.
The series consists of precision-engineered proximity probes, extension cables, and Proximitor sensors that together form a complete displacement measurement system. These components are optimized to provide consistent electrical characteristics, excellent linearity, and stable performance throughout long periods of industrial operation.
Products within this series are commonly selected for monitoring radial vibration, axial position, shaft eccentricity, differential expansion, rotor movement, and other important mechanical parameters required for machinery protection systems.
The 3300 XL Series is valued for its measurement repeatability, resistance to electromagnetic interference, durable construction, and compatibility with modern machinery monitoring systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330881-28-06-105-00-02 |
| Product Type | Proximity Probe |
| Product Series | 3300 XL 8 mm |
| Brand | Bently Nevada |
| Measuring Principle | Eddy Current Non-Contact Measurement |
| Probe Diameter | 8 mm |
| Measurement Type | Shaft Displacement Monitoring |
| Detection Method | Continuous Dynamic Monitoring |
| Measured Parameters | Radial Vibration, Shaft Position, Axial Displacement, Eccentricity |
| Target Material | Electrically Conductive Metal |
| Frequency Response | High Dynamic Response |
| Sensitivity | High Precision |
| Repeatability | Excellent |
| Output Stability | Long-Term Stable |
| Housing Material | Stainless Steel |
| Mounting Method | Threaded Installation |
| Cable Configuration | Factory Configured |
| Connector Type | Industrial Connector |
| Environmental Protection | Industrial Grade |
| Corrosion Resistance | Excellent |
| Oil Resistance | Excellent |
| EMI Immunity | High |
| Shock Resistance | Excellent |
| Vibration Resistance | Excellent |
| Maintenance Requirement | Minimal |
| Continuous Operation | Supported |
| Service Life | Long Operational Lifetime |
| Dimensions | Probe Diameter: 8 mm; Overall Probe Length: Approximately 105 mm (Configuration Dependent) |
| Weight (kg) | Approximately 0.30 kg |
Product Features
The 330881-28-06-105-00-02 combines precision sensing technology with a rugged industrial design to provide reliable measurement performance under demanding operating conditions.
Its non-contact sensing method eliminates physical wear between the probe and the rotating shaft, helping maintain consistent accuracy throughout the service life of the equipment.
The probe features excellent linearity across its measuring range, allowing highly repeatable displacement measurements even during continuous high-speed machine operation.
The stainless-steel housing improves resistance to corrosion, oil, moisture, and industrial contaminants, making the probe suitable for installation in harsh environments.
Its compact design allows installation in confined machinery spaces without sacrificing measurement performance.
The sensor delivers fast response characteristics, enabling machinery protection systems to detect abnormal vibration and shaft movement almost immediately after mechanical changes occur.
The factory-configured cable assembly minimizes installation complexity while ensuring reliable electrical performance.
Working Principle
The probe operates based on the principle of eddy current measurement.
A high-frequency electromagnetic field is generated at the sensing tip of the probe. When the conductive surface of a rotating shaft enters this electromagnetic field, eddy currents are induced within the metal surface.
The interaction between the electromagnetic field and the induced eddy currents changes the electrical impedance inside the sensing circuit. These impedance changes are converted into a proportional electrical output corresponding to the exact distance between the probe tip and the target surface.
Because the measurement is completely non-contact, there is no friction, no mechanical wear, and no degradation caused by repeated shaft movement. This allows continuous monitoring with exceptional long-term stability.
Typical Applications
The 330881-28-06-105-00-02 is widely used throughout industrial facilities where rotating machinery plays a critical role in production and process reliability.
Typical application areas include:
- Steam turbine vibration monitoring
- Gas turbine shaft position measurement
- Hydroelectric turbine monitoring
- Centrifugal compressor protection
- Industrial pump vibration analysis
- Electric motor condition monitoring
- Turbo generator shaft displacement measurement
- Cooling fan monitoring
- Industrial blower protection
- Gearbox shaft movement monitoring
- Petrochemical compressor systems
- Oil refinery rotating equipment
- Offshore production platforms
- LNG processing facilities
- Power generation plants
- Steel manufacturing equipment
- Cement production machinery
- Mining processing systems
- Paper manufacturing equipment
- Chemical processing installations
The probe is commonly installed within vibration monitoring systems, machinery protection systems, predictive maintenance platforms, and asset health management systems.
Product Advantages
The 330881-28-06-105-00-02 offers outstanding measurement accuracy while requiring virtually no routine maintenance due to its non-contact sensing principle.
Its high measurement stability minimizes calibration drift, allowing reliable long-term monitoring with reduced maintenance costs.
The probe provides excellent resistance to vibration, shock, temperature variation, humidity, oil contamination, and electromagnetic interference, making it highly dependable in demanding industrial environments.
Its rapid dynamic response enables early identification of mechanical abnormalities, reducing the likelihood of unexpected equipment failures and improving operational safety.
The rugged stainless-steel housing extends service life while protecting the sensing element from harsh environmental conditions.
Its compact dimensions simplify installation on a wide range of industrial machines, including applications with limited installation space.
The probe is fully compatible with industrial machinery monitoring systems, allowing seamless integration into existing equipment protection architectures.
Its excellent repeatability improves diagnostic confidence, helping maintenance teams make informed decisions based on reliable machinery condition data.
Recommended Models from the Same Series
| Model | Product Type | Probe Diameter | Typical Probe Length | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 330881-28-05-105-00-02 | Proximity Probe | 8 mm | 105 mm | 8 mm × 105 mm | Approx. 0.30 kg |
| 330881-28-06-145-00-02 | Proximity Probe | 8 mm | 145 mm | 8 mm × 145 mm | Approx. 0.32 kg |
| 330881-28-06-180-00-02 | Proximity Probe | 8 mm | 180 mm | 8 mm × 180 mm | Approx. 0.35 kg |
| 330880-28-00-050-03-02 | Proximity Probe | 8 mm | 50 mm | 8 mm × 50 mm | Approx. 0.28 kg |
| 330104-00-06-10-02-00 | Proximity Probe | 8 mm | 100 mm | 8 mm × 100 mm | Approx. 0.30 kg |
Popular Bently Nevada Models
| Model | Product Type | Product Series | Main Function | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 3500/42M | Proximitor Monitor | 3500 Series | Shaft Vibration Monitoring | Standard Rack Module | Approx. 0.90 kg |
| 3500/22M | Communication Module | 3500 Series | System Communication | Standard Rack Module | Approx. 0.75 kg |
| 3500/15 | Power Supply Module | 3500 Series | System Power Distribution | Standard Rack Module | Approx. 1.10 kg |
| 330180-90-00 | Proximitor Sensor | 3300 XL Series | Signal Conversion | Approx. 120 × 80 × 40 mm | Approx. 0.50 kg |
| 330130-040-00-00 | Extension Cable | 3300 XL Series | Probe Signal Extension | Cable Length 4 m | Approx. 0.45 kg |
Summary
The Bently Nevada 330881-28-06-105-00-02 is a precision-engineered non-contact proximity probe developed for continuous shaft displacement and vibration monitoring in industrial rotating machinery. As a member of the 3300 XL 8 mm Proximity Transducer Series, it combines excellent measurement accuracy, long-term stability, rugged mechanical construction, and reliable performance into a compact sensing device suitable for demanding industrial applications.
Its advanced eddy current sensing technology provides accurate real-time measurement without mechanical contact, significantly reducing wear while improving equipment reliability. The probe supports predictive maintenance strategies by enabling early detection of shaft movement, vibration changes, and other mechanical abnormalities before they develop into costly failures.
With its durable stainless-steel construction, high resistance to harsh operating environments, excellent electromagnetic compatibility, and low maintenance requirements, the 330881-28-06-105-00-02 is an ideal solution for monitoring turbines, compressors, generators, pumps, motors, fans, gearboxes, and other critical rotating equipment operating in power generation, oil and gas, petrochemical, mining, steel production, marine engineering, and heavy industrial facilities.