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- Bently Nevada
- 146054-08-05-02-05
- 3300 XL Ceramic Cap Probe
- USA
- 0.5 meters
- 3 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Bently Nevada 146054-08-05-02-05 is a 3300 XL Ceramic Capped Proximity Probe used in vibration and displacement monitoring systems for rotating machinery.
It is designed for harsh industrial environments where standard probes may fail, such as high corrosion, high pressure, or chemically aggressive conditions. The ceramic capped design provides enhanced sealing and durability at the probe tip, improving reliability in critical machinery monitoring applications.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 146054-08-05-02-05 |
| Product Type | 3300 XL Ceramic Capped Proximity Probe |
| System Series | 3300 XL |
| Total Length | 0.5 meters |
| Probe Type | Eddy-current proximity sensor |
| Tip Material | Ceramic (alumina cap) |
| Function | Shaft vibration & displacement measurement |
| Cable Type | Coaxial signal cable |
| Connector Type | Miniature coaxial ClickLoc |
| Protection | Corrosion & high-pressure resistant front-end sealing |
| Shipping Weight | ~3 kg (packaging-dependent) |
Function and Working Principle
This probe operates on the eddy-current displacement measurement principle:
Working Principle
- Probe generates a high-frequency electromagnetic field
- Eddy currents are induced in the conductive target (shaft)
- Distance changes alter the returned signal
- Proximitor system converts signal into displacement or vibration data
V∝ΔxV \propto \Delta x
Where vibration/displacement signal output is proportional to shaft movement.
Key Functions
- Measures shaft vibration and radial displacement
- Provides real-time condition monitoring of rotating machinery
- Enables early detection of imbalance, misalignment, and bearing wear
- Supports machine protection systems (tripping/alarming)
- Works with Bently Nevada 3300 XL monitoring architecture
Role in Industrial Systems
The probe is part of a 3-component system:
- Proximity probe (sensor head)
- Extension cable
- Proximitor sensor (signal conditioning module)
Together they form a complete eddy-current monitoring chain for:
- Turbines
- Compressors
- Pumps
- Generators
- Industrial fans
Industrial Applications
- Steam turbines
- Gas turbines
- Compressor trains
- Hydro power generators
- Refinery rotating equipment
- Petrochemical process machines
- Critical condition monitoring systems
Installation Notes
- Installed close to rotating shaft target surface
- Requires precise gap calibration (static bias voltage setup)
- Must be properly aligned to avoid measurement distortion
- Cable routing must avoid EMI sources
- Ceramic tip must not be mechanically stressed during installation
⚠️ Incorrect gapping can lead to false vibration readings or signal saturation.
Compatible System Components
- Bently Nevada 3300 XL Proximitor Sensor
- 3300 XL extension cables
- Bently Nevada 3500 monitoring system (compatible architectures)
- Junction boxes and terminal modules
- Vibration analysis and protection modules
Recommended Alternative Models
| Model | Type | Key Feature |
|---|---|---|
| 146054-08-05-02-05 | Ceramic cap probe | Standard 0.5 m version |
| 330101 series probes | Standard proximity probe | General-purpose monitoring |
| 330104 series probes | Extended range probe | Higher temperature tolerance |
| 3300 XL non-ceramic probe | Standard version | Lower-cost alternative |
Key Advantages
- High resistance to corrosion and harsh chemicals
- Stable measurement in high-pressure environments
- Reliable long-term vibration monitoring
- Compatible with industry-standard 3300 XL systems
- Accurate shaft displacement detection
- Improved probe tip durability with ceramic sealing
Technical FAQs
Q1: What is the main function of this probe?
It measures shaft vibration and displacement using eddy-current technology.
Q2: Why use a ceramic cap design?
To improve resistance against corrosive gases, liquids, and harsh environments.
Q3: Is it a standalone device?
No, it must be used with a proximitor sensor and extension cable.
Q4: What industries use it most?
Power generation, oil & gas, petrochemical, and heavy rotating machinery industries.
Conclusion
The Bently Nevada 146054-08-05-02-05 3300 XL Ceramic Capped Probe is a high-reliability vibration and displacement sensor designed for demanding industrial environments. Its ceramic-sealed construction ensures stable long-term performance in critical rotating machinery monitoring systems where accuracy and durability are essential.