Engineered for Hazardous-Area Machinery Monitoring with Metric Compatibility
The Bently Nevada 330104-00-25-50-02-CN 3300 XL 8 mm Proximity Probe is a premium non-contact eddy current sensor designed for accurate measurement of shaft vibration, shaft position, and radial displacement in critical rotating machinery. As part of the trusted 3300 XL 8 mm Proximity Transducer System, this probe delivers exceptional measurement stability, robust environmental protection, and long-term reliability for industrial machinery protection applications.
This configuration features an M10 × 1 metric threaded probe, a 250 mm overall case length, a 5.0-meter armored integral cable, and a Miniature Coaxial ClickLoc™ connector for dependable electrical connectivity. The CN approval option is intended for installations requiring China-specific hazardous-area certification (NEPSI) together with applicable international approvals, making it an ideal solution for industrial facilities operating under regional compliance requirements. The rugged stainless-steel construction and precision sensing technology help improve equipment reliability while supporting predictive maintenance strategies.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Product Series | 3300 XL |
| Product Type | 8 mm Proximity Probe (Metric) |
| Model Number | 330104-00-25-50-02-CN |
| Measurement Technology | Eddy Current, Non-Contact |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 Metric |
| Probe Construction | Armored |
| Unthreaded Length | 0 mm |
| Overall Case Length | 250 mm |
| Integral Cable Length | 5.0 m (16.4 ft) |
| Connector Type | Miniature Coaxial ClickLoc™ Connector |
| Cable Type | Standard Armored Cable |
| Housing Material | Stainless Steel |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Mounting Method | Threaded Installation |
| Hazardous Area Approval | CN (NEPSI), ATEX, IECEx* |
| Compatible System | 3300 XL 8 mm Proximity Transducer System |
| Dimensions | Probe Diameter: 8 mm; Overall Case Length: 250 mm; Cable Length: 5.0 m |
| Weight | Approximately 0.55 kg |
Typical Applications
The 330104-00-25-50-02-CN proximity probe is designed for continuous condition monitoring of rotating assets where reliable vibration data is essential for maximizing operational efficiency and equipment availability.
Typical applications include:
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Steam turbines
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Gas turbines
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Centrifugal compressors
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Industrial pumps
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Electric motors
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High-speed gearboxes
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Process blowers and fans
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Hydroelectric generators
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Petrochemical processing plants
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Oil and gas production facilities
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LNG processing systems
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Power generation stations
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Machinery protection and predictive maintenance systems
Product Advantages
Developed for demanding industrial environments, this metric proximity probe combines durable construction with advanced sensing performance to provide dependable monitoring throughout the equipment lifecycle.
Key benefits include:
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High-accuracy non-contact shaft vibration and displacement measurement
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Extended 5-meter armored cable for flexible installation
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Metric M10 × 1 threaded design for international equipment compatibility
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Corrosion-resistant stainless-steel housing for extended service life
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Excellent signal stability under continuous operation
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Secure ClickLoc™ connector for quick installation and maintenance
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CN hazardous-area approval for regulated industrial facilities
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Fully compatible with 3300 XL 8 mm transducer systems
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Supports predictive maintenance and condition-based asset management
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Helps reduce unexpected shutdowns and maintenance costs
Technical FAQs
1. What is the primary function of this proximity probe?
It continuously measures shaft vibration, shaft position, and radial displacement without physical contact, providing accurate data for machinery protection.
2. Is this a metric version?
Yes. The probe uses an M10 × 1 metric thread, making it suitable for machinery designed to metric mounting standards.
3. What is the overall case length?
The probe features an overall case length of 250 mm.
4. How long is the integral cable?
This configuration includes a 5.0-meter (16.4-foot) armored integral cable for installations requiring extended routing distances.
5. Does the probe include cable armor?
Yes. The integral cable is protected by stainless-steel armor to improve resistance against abrasion, vibration, and mechanical damage.
6. What connector is installed?
The probe is equipped with a Miniature Coaxial ClickLoc™ connector, ensuring secure electrical connections and simplified servicing.
7. What does the CN approval option indicate?
The CN suffix identifies a configuration intended for China-specific hazardous-area approvals (NEPSI) and related regional certification requirements.
8. Which industries commonly use this model?
It is widely installed in oil & gas, petrochemical, power generation, mining, marine, LNG, and other heavy industrial facilities where continuous machinery monitoring is essential.
9. What sensing technology does this probe use?
The probe utilizes advanced eddy current sensing technology to provide highly accurate, repeatable, non-contact measurements of conductive shaft surfaces.
10. Why choose the 3300 XL 8 mm Proximity Probe?
The 3300 XL series is recognized worldwide for its outstanding measurement accuracy, rugged construction, excellent interchangeability, and dependable long-term performance in critical machinery monitoring applications.
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