Designed for Extended-Reach Vibration Monitoring in Critical Machinery
The Bently Nevada 330171-05-63-05-02-05 3300 5 mm Proximity Probe is a high-performance eddy-current sensor developed for accurate, non-contact monitoring of shaft vibration, radial displacement, and shaft position. Configured with a 6.3-inch probe case, 0.5-meter integral cable, and a Miniature ClickLoc connector, this probe is ideal for installations requiring extended probe reach without compromising measurement accuracy or reliability.
As an integral member of the 3300 5 mm Transducer System, this model delivers stable signal output, excellent environmental durability, and seamless compatibility with matching Proximitor® sensors and extension cables. It is widely used in machinery protection systems where continuous monitoring helps prevent unexpected failures and optimize maintenance schedules.
Product Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330171-05-63-05-02-05 |
| Product Type | 3300 5 mm Proximity Probe |
| Series | 3300 5 mm Transducer System |
| Probe Diameter | 5 mm |
| Measurement Principle | Eddy Current (Non-Contact) |
| Thread Type | 1/4-28 UNF |
| Unthreaded Length | 0.5 in (Option 05) |
| Overall Case Length | 6.3 in (Option 63) |
| Integral Cable Length | 0.5 m (1.6 ft) |
| Connector Type | Miniature Coaxial ClickLoc Connector |
| Cable Type | Standard, Non-Armored |
| Agency Approval | Option 05 (Multiple Approvals) |
| Probe Housing Material | AISI 304 Stainless Steel |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Operating Temperature | -35°C to +177°C (System Dependent) |
| Dimensions | Approx. 335 × 25 × 25 mm |
| Weight | Approx. 0.35 kg |
Where This Probe Excels
The 330171-05-63-05-02-05 is engineered for demanding industrial applications where accurate shaft movement monitoring is essential for safe and efficient operation.
Typical installations include:
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Steam turbines
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Gas turbines
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Centrifugal compressors
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Process pumps
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Industrial generators
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High-speed electric motors
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Gearboxes
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Blowers and fans
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Oil and gas production facilities
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Petrochemical processing plants
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Power generation facilities
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Mining and heavy industrial equipment
Its extended 6.3-inch probe body makes it particularly suitable for machinery with deep probe mounting locations or limited access points.
Performance Benefits
Designed to support modern condition monitoring strategies, this proximity probe provides dependable performance throughout its service life.
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Precision non-contact vibration and displacement measurement
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Extended 6.3-inch probe body for deep installation applications
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Compact 5 mm sensing element for confined mounting spaces
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Excellent signal stability and repeatability
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Rugged stainless-steel housing for long-term durability
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Resistant to oil, moisture, dust, and industrial contaminants
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Secure Miniature ClickLoc connector for reliable connections
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Fully compatible with Bently Nevada 3300 monitoring systems
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Supports predictive maintenance and equipment health monitoring
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Helps minimize unplanned downtime and maintenance expenses
Technical FAQs
1. What is the primary function of this proximity probe?
It continuously measures shaft vibration, radial displacement, and shaft position without making physical contact with the rotating shaft.
2. Which sensing technology does this probe utilize?
It uses eddy-current technology to provide accurate non-contact measurements of conductive targets.
3. What does the "63" option indicate?
The "63" configuration specifies an overall probe case length of 6.3 inches, making it suitable for applications requiring extended installation depth.
4. What does the "05" unthreaded length represent?
It indicates an unthreaded length of 0.5 inch, allowing compatibility with specific mounting arrangements.
5. What cable length is supplied with this model?
This probe includes a 0.5-meter (1.6-foot) integral cable.
6. Which connector is fitted to the probe?
It features a Miniature Coaxial ClickLoc connector, providing a secure and vibration-resistant connection.
7. Is this probe designed for continuous monitoring systems?
Yes. It is intended for permanent installation in machinery protection and online condition monitoring applications.
8. What industries commonly use this model?
It is widely applied in power generation, oil and gas, petrochemical processing, mining, pulp and paper, and other heavy industrial sectors.
9. Can it operate in demanding industrial environments?
Yes. Its stainless-steel housing and industrial-grade construction provide excellent resistance to harsh operating conditions.
10. How does this probe improve maintenance planning?
By supplying accurate real-time vibration data, it enables early fault detection, supports predictive maintenance, and helps extend the operating life of critical machinery.
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