Precision Sensing for Advanced Machinery Protection
The 330104‑01‑05‑05‑02‑05 3300 XL 8 mm proximity probe from Bently Nevada is engineered to deliver highly accurate vibration and radial position measurements on rotating equipment. Designed for reliability in demanding industrial environments, this sensor plays a key role in machine protection and vibration monitoring systems.
With its durable construction and refined measurement characteristics, this proximity probe enables early detection of imbalance, misalignment, and bearing wear — supporting predictive maintenance strategies that help protect assets, improve uptime, and optimize operations.
Technical Specifications
| Parameter | Specification |
|---|
| Probe Diameter | 8 mm |
| Case Length | 50 mm |
| Cable Length | 0.5 m |
| Connector Type | Miniature coaxial ClickLoc |
| Thread Type | M10 × 1 |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Housing Material | Stainless Steel (AISI 303/304) |
| Output Signal | DC voltage proportional to probe gap |
| Linear Measurement Range | 0.25 – 2.3 mm |
| Resolution | ±0.25 µm |
| Frequency Response | Up to 10 kHz |
| Operating Temperature | ‑40 °C to +177 °C |
| Shock Resistance | 100 g (11 ms) |
| Vibration Limit | 50 g peak |
| Environmental Protection | IP65 |
Typical Applications
This compact 8 mm proximity probe is ideal for condition monitoring and machine protection across critical rotating assets, including:
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Steam and gas turbines
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Compressors
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Electric motors
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Pumps
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Generators
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Gearboxes
Its stable signal output and high measurement resolution make it well‑suited for early fault detection and reliable condition‑based maintenance programs.
Key Advantages
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High‑accuracy vibration sensing: Provides precise, repeatable measurement data.
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Compact and durable design: Stainless‑steel housing withstands harsh environments.
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Short cable option: Ideal for localized installations with tight space constraints.
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High dynamic response: Frequency range suitable for fast machine events.
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Reliable long‑term performance: Designed for continuous monitoring.
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Wide operating range: Functions across a broad temperature span.
These qualities ensure dependable performance in machine protection systems that demand accuracy and robustness.
Technical FAQs
1. What measurements does this probe deliver?
It measures shaft vibration and radial displacement.
2. Is this model compatible with 3300 XL systems?
Yes, it integrates seamlessly into 3300 XL monitoring frameworks.
3. What is the cable length?
The cable length is 0.5 meters.
4. What is the linear measurement range?
0.25 – 2.3 mm.
5. Can it operate in harsh industrial environments?
Yes, with stainless‑steel housing and IP65 protection.
6. What type of output signal does it produce?
DC voltage proportional to the distance between probe and target.
7. What temperature range does it support?
From ‑40 °C to +177 °C.
8. Is it suitable for continuous monitoring?
Yes, it is designed for ongoing condition monitoring.
9. What industries commonly use this probe?
Power, oil & gas, petrochemical, and heavy manufacturing sectors.
10. What dynamic response capability does it have?
Up to 10 kHz frequency response.
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