High-Accuracy Eddy Current Probe for Continuous Machinery Condition Monitoring
The Bently Nevada 330101-26-52-10-02-05 3300 XL 8 mm Proximity Probe is a premium non-contact eddy current sensor engineered to deliver precise shaft vibration and position measurements for critical rotating machinery. As part of the industry-proven 3300 XL 8 mm Proximity Transducer System, this probe is designed to provide outstanding accuracy, long-term stability, and exceptional resistance to harsh industrial environments. It is widely used in turbine supervisory systems (TSI), machinery protection systems, and predictive maintenance programs across power generation, oil & gas, petrochemical, and heavy manufacturing industries.
The 330101-26-52-10-02-05 configuration features a 3/8-24 UNF threaded, non-armored probe, with a 2.6-inch unthreaded length, 5.2-inch overall case length, 1.0-meter integral cable, Miniature ClickLoc coaxial connector, and multiple hazardous-area approvals, providing excellent installation flexibility and dependable measurement performance.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Product Model | 330101-26-52-10-02-05 |
| Product Series | 3300 XL 8 mm |
| Product Type | Proximity Probe |
| Measurement Principle | Eddy Current (Non-Contact) |
| Probe Diameter | 8 mm |
| Thread Type | 3/8-24 UNF |
| Armor | Without Armor |
| Unthreaded Length | 2.6 in (66.0 mm) |
| Overall Case Length | 5.2 in (132.1 mm) |
| Integral Cable Length | 1.0 m (3.3 ft) |
| Connector Type | Miniature ClickLoc Coaxial Connector |
| Agency Approval | Option 05 – CSA / ATEX / IECEx Multiple Approvals |
| Compatible System | 3300 XL 8 mm Proximitor Sensor & Extension Cable |
| Primary Measurements | Shaft Vibration, Axial Position, Radial Displacement, Speed Reference |
| Probe Tip Diameter | 8 mm |
| Dimensions | Probe Case Length: 132.1 mm (5.2 in) |
| Weight | Approximately 0.30 kg (0.66 lb) |
Typical Applications
The 330101-26-52-10-02-05 is designed for high-performance vibration and displacement measurement on rotating machinery operating in demanding industrial environments.
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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Turbo expanders
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Gearboxes
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Fans and blowers
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Petrochemical processing plants
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Offshore oil & gas platforms
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Power generation facilities
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Mining and mineral processing equipment
Product Advantages
Engineered for maximum reliability and measurement precision, the 330101-26-52-10-02-05 offers outstanding performance in machinery protection applications.
Key benefits include:
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High-precision non-contact shaft vibration measurement
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Excellent linearity and repeatability throughout the measurement range
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Robust resistance to EMI and RFI interference
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Fully compatible with the 3300 XL 8 mm transducer system
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ClickLoc connector enhances connection reliability
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Rugged stainless-steel construction for demanding environments
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Multiple hazardous-area certifications support global installations
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Long operational life with minimal maintenance requirements
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Supports predictive maintenance and asset reliability programs
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Helps reduce unexpected downtime and maintenance costs through continuous monitoring.
Technical FAQs
1. What is the primary function of the 330101-26-52-10-02-05?
It measures shaft vibration and position without physical contact, providing highly accurate signals for machinery protection and condition monitoring systems.
2. What type of sensing technology does this probe use?
The probe utilizes eddy current technology to perform precise non-contact measurements on conductive shaft surfaces.
3. What does the "330101" model indicate?
It identifies a 3300 XL 8 mm standard probe with 3/8-24 UNF threads and without armor.
4. What cable length is included?
This configuration includes a 1.0-meter (3.3 ft) integral cable.
5. What approval does option "-05" represent?
Option 05 indicates CSA, ATEX, and IECEx multiple hazardous-area approvals, supporting installation in certified industrial environments.
6. Which systems are compatible with this probe?
It is designed for use with compatible 3300 XL 8 mm extension cables and Proximitor Sensors, forming a complete transducer system.
7. What measurements can this probe perform?
It is suitable for monitoring shaft vibration, axial position, radial displacement, Keyphasor reference, and rotational speed applications.
8. What are the physical dimensions and weight?
The probe has a 5.2-inch (132.1 mm) case length and weighs approximately 0.30 kg (0.66 lb).
9. Which industries commonly use this probe?
It is widely applied in power generation, oil & gas, petrochemical, mining, marine, pulp & paper, and other heavy industrial sectors.
10. Why choose the 330101-26-52-10-02-05?
Its outstanding measurement accuracy, industrial durability, hazardous-area certifications, and compatibility with the trusted 3300 XL platform make it an excellent solution for protecting critical rotating equipment and improving operational reliability.
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