Product Overview
The Bently Nevada 330101-02-78-05-02-00 3300 XL 8 mm Proximity Probe is a high-performance non-contact eddy-current sensor engineered for continuous shaft vibration and position monitoring in critical rotating machinery. As part of the industry-proven 3300 XL 8 mm Proximity Transducer System, this probe delivers outstanding measurement accuracy, long-term stability, and dependable operation in demanding industrial environments.
This configuration incorporates a 2.0 in. (50.8 mm) unthreaded length, a 7.8 in. (198.1 mm) overall case length, a 0.5 m (1.6 ft) standard integrated cable, and a Miniature ClickLoc™ coaxial connector. The Option 00 approval indicates that no hazardous-area certifications are included, making it well suited for standard industrial installations where certified approvals are not required.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330101-02-78-05-02-00 |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Series | 3300 XL 8 mm Proximity Transducer System |
| Measurement Technology | Non-contact Eddy Current |
| Probe Diameter | 8 mm |
| Thread Type | 3/8-24 UNF |
| Unthreaded Length | 2.0 in. (50.8 mm) |
| Overall Case Length | 7.8 in. (198.1 mm) |
| Integrated Cable Length | 0.5 m (1.6 ft) |
| Cable Type | Standard FEP Cable |
| Connector Type | Miniature ClickLoc™ Coaxial Connector |
| Linear Measurement Range | 2.0 mm (80 mils) |
| Scale Factor | 7.87 V/mm (200 mV/mil) ±5% |
| Frequency Response | 0 Hz to 10 kHz |
| Operating Temperature | -51°C to +177°C (-60°F to +351°F) |
| Probe Thread Material | Stainless Steel (AISI 303/304) |
| Agency Approval | Option 00 – No Agency Approval |
| Dimensions | Approx. Ø8 mm × 198.1 mm |
| Approximate Net Weight | 0.32 kg |
| Approximate Shipping Weight | 0.50 kg |
Industrial Applications
The 330101-02-78-05-02-00 is designed to provide continuous machine condition monitoring across a broad range of industrial applications where precise shaft displacement measurements are essential.
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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Process pumps
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Electric motors
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Power generators
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Industrial gearboxes
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Blowers and fans
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Petrochemical processing equipment
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Oil & gas production facilities
Its extended probe body allows installation in applications requiring greater reach while maintaining the high accuracy expected from the 3300 XL series.
Technical FAQs
1. What is the primary purpose of this probe?
It measures shaft vibration, shaft position, and dynamic displacement using non-contact eddy-current sensing technology.
2. What does the "02" unthreaded length option represent?
It specifies a 2.0-inch (50.8 mm) unthreaded section for flexible mounting configurations.
3. What is the overall case length?
This model features a 7.8-inch (198.1 mm) probe body.
4. How long is the integrated cable?
The probe includes a 0.5 m (1.6 ft) standard FEP cable.
5. Which connector does this probe use?
It uses a Miniature ClickLoc™ coaxial connector with a standard cable configuration.
6. Does this model include hazardous-area approvals?
No. The Option 00 configuration indicates that hazardous-area approvals are not included.
7. Which monitoring systems is it compatible with?
It is designed for use with compatible 3300 XL Proximitor Sensors and 3300 XL Extension Cables as part of the complete 3300 XL transducer system.
8. What industries commonly use this probe?
It is widely used in power generation, oil & gas, petrochemical, mining, pulp and paper, and heavy manufacturing industries.
9. What parameters can this probe monitor?
It measures radial vibration, axial position, shaft displacement, eccentricity, and other shaft motion characteristics.
10. Is it suitable for continuous online monitoring?
Yes. The probe is specifically engineered for permanent installation in machinery protection and predictive maintenance systems.
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