Reliable Metric Proximity Probe for Precision Rotating Equipment Monitoring
The Bently Nevada 330104-00-25-50-02-00 3300 XL 8 mm Proximity Probe (Metric) is a high-performance non-contact eddy current sensor designed to provide accurate shaft vibration, shaft position, and displacement measurements for critical rotating machinery. As an integral part of the 3300 XL 8 mm Proximity Transducer System, this probe delivers outstanding measurement stability, rugged durability, and dependable long-term performance in demanding industrial environments.
Designed with an M10 × 1 metric threaded body, a 250 mm overall case length, and a 5.0-meter armored integral cable, this configuration offers exceptional installation flexibility for applications requiring extended cable routing. Its corrosion-resistant stainless-steel construction, precision sensing technology, and robust armored cable make it an ideal choice for predictive maintenance programs that help maximize equipment availability while minimizing maintenance costs.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Product Series | 3300 XL |
| Product Type | 8 mm Proximity Probe (Metric) |
| Model Number | 330104-00-25-50-02-00 |
| Sensing 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 Cable |
| Probe Housing Material | AISI 303/304 Stainless Steel |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Mounting Method | Threaded Installation |
| Agency Approval | Not Required |
| Dimensions | Probe Diameter: 8 mm; Overall Case Length: 250 mm; Cable Length: 5.0 m |
| Weight | Approximately 0.32 kg |
Typical Applications
The 330104-00-25-50-02-00 proximity probe is engineered for continuous condition monitoring of rotating machinery where precise shaft movement data is essential for equipment protection and operational efficiency.
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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High-speed electric motors
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Gearboxes
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Fans and blowers
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Hydroelectric generators
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Petrochemical processing plants
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Oil & gas production facilities
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Power generation stations
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Machinery protection and predictive maintenance systems
Key Advantages
Developed for industrial environments where reliability is critical, this metric proximity probe combines robust mechanical construction with highly accurate sensing performance to support efficient asset management.
Key benefits include:
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High-resolution non-contact shaft vibration and displacement measurement
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Extended 5-meter armored cable for greater installation flexibility
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M10 × 1 metric thread for compatibility with metric equipment
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Corrosion-resistant stainless-steel housing for long service life
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Stable and repeatable measurement performance
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Secure ClickLoc™ connector for fast installation and maintenance
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Excellent resistance to vibration, moisture, oil, and contaminants
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Fully compatible with the 3300 XL 8 mm transducer system
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Supports predictive maintenance and condition-based monitoring
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Helps reduce unexpected downtime and maintenance expenses
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, enabling reliable machinery health monitoring.
2. Is this a metric version?
Yes. This model features an M10 × 1 metric threaded probe, making it suitable for machinery designed with metric mounting standards.
3. How long is the integral cable?
The probe includes a 5.0-meter (16.4-foot) standard armored cable for installations requiring longer cable routing.
4. What is the overall case length?
The overall probe case length is 250 mm.
5. Does this probe include an armored cable?
Yes. The integrated stainless-steel armored cable improves protection against abrasion, vibration, and mechanical damage.
6. Which connector is used?
The probe is equipped with a Miniature Coaxial ClickLoc™ connector, providing secure electrical connections and simplified installation.
7. Is this model approved for hazardous locations?
No. The -00 approval option indicates that hazardous-area certification is not included for this configuration.
8. Which industries commonly install this probe?
It is widely used in power generation, petrochemical, oil & gas, mining, marine, pulp and paper, and other heavy industrial applications.
9. What sensing technology does it utilize?
The probe uses 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 series?
The 3300 XL series is trusted worldwide for its measurement accuracy, rugged mechanical construction, interchangeability, and dependable long-term performance in critical machinery protection systems.
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