High-Performance Eddy-Current Probe for Machinery Vibration and Position Monitoring
The Bently Nevada 330104-00-05-50-02-CN is a 3300 XL 8 mm Proximity Probe designed for non-contact measurement of shaft vibration, axial position, eccentricity, and Keyphasor® reference on fluid-film bearing machines. It is part of the 3300 XL 8 mm Proximity Transducer System, which consists of a proximity probe, extension cable, and Proximitor® Sensor. The standard 5-meter system complies with API 670 requirements for linearity, accuracy, and temperature stability.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Part Number | 330104-00-05-50-02-CN |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Probe Diameter | 8 mm |
| Measurement Technology | Eddy-current, non-contact |
| Thread Size | M10 × 1 (metric threaded probe) |
| Unthreaded Length | 00 = 0 mm |
| Overall Case Length | 05 = 50 mm |
| Total Probe Length | 50 = 5.0 m (16.4 ft) |
| Connector Type | 02 = Miniature coaxial ClickLoc® connector, standard cable |
| Agency Approval | CN = ATEX / IECEx with Chinese NEPSI hazardous-area marking |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Probe Case Material | AISI 303/304 Stainless Steel |
Typical Applications
The 330104-00-05-50-02-CN is widely used on:
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Steam turbines
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Gas turbines
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Centrifugal compressors
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Pumps
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Electric motors
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Generators
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Gearboxes
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Fans and blowers
Typical monitoring functions include:
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Shaft vibration
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Shaft position
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Rotor eccentricity
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Speed sensing
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Keyphasor® reference
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Machine protection systems
Key Features
API 670-Compliant Performance
The standard 5 m 3300 XL 8 mm system fully complies with API 670, making it suitable for continuous machinery protection and monitoring applications.
Non-Contact Eddy-Current Measurement
Provides precise measurement of:
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Shaft vibration
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Radial shaft position
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Axial position
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Eccentricity
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Keyphasor® reference
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Speed measurements
ClickLoc® Connector
The 02 option features a Miniature ClickLoc® coaxial connector, providing secure installation and resistance to vibration-induced loosening.
Hazardous-Area Certification
The CN approval option includes ATEX, IECEx, and Chinese NEPSI hazardous-area certification, making the probe suitable for approved explosive atmospheres when installed according to applicable standards.
Durable Construction
- Stainless steel probe body
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PPS probe tip
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Viton® O-ring seal
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Excellent resistance to oil, moisture, and industrial contaminants
Frequently Asked Questions
1. What does the "50" option indicate?
It specifies a 5.0-meter (16.4-foot) total transducer system length.
2. What is the difference between the "CN" and "00" approval options?
The CN version includes ATEX, IECEx, and Chinese NEPSI hazardous-area approvals, while 00 indicates no special hazardous-area approval.
3. Which connector does this probe use?
It uses the Miniature ClickLoc® coaxial connector with a standard cable (Option 02).
4. Can this probe be used by itself?
No. It must be used with the matching 3300 XL extension cable and 3300 XL Proximitor® Sensor of the same system length to ensure proper calibration.
5. What measurements can this probe perform?
It is designed for shaft vibration, radial position, axial position, eccentricity, Keyphasor® reference, and rotational speed measurements.
6. Is this model suitable for hazardous locations?
Yes. The CN option provides hazardous-area approvals for installations requiring ATEX, IECEx, and Chinese NEPSI certification.
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