Precision Sensing for Mission‑Critical Machines
The 330104‑00‑20‑10‑02‑05 3300 XL 8 mm proximity probe from Bently Nevada delivers dependable shaft vibration and position measurements for demanding industrial environments. Built for stability and long‑term operation, it supports predictive maintenance strategies by detecting early signs of imbalance, misalignment, or bearing wear before they escalate into failures.
Its robust stainless‑steel body and high‑resolution output make it an ideal choice for monitoring critical rotating equipment across power, petrochemical, and heavy‑industrial applications.
Technical Specifications
| Parameter | Specification |
|---|
| Probe Diameter | 8 mm |
| Case Length | 200 mm |
| Cable Length | 2.0 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 gap |
| Linear Measurement Range | 0.25 – 2.5 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 8 mm proximity probe is engineered for continuous machinery condition monitoring in a range of industrial environments:
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Steam and gas turbines
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Centrifugal compressors
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Pumps and pump drives
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Electric motors
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Gearboxes
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Generators
By providing real‑time, high‑resolution data, it enables reliable protection and optimization of rotating assets.
Key Advantages
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High‑accuracy sensing: Delivers precise vibration and displacement measurements.
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Industrial durability: Stainless‑steel construction resists harsh conditions.
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Extended monitoring capability: Long cable supports flexible installation.
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Stable output: Ideal for continuous operation in critical systems.
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Dynamic response: High frequency range captures rapid machine events.
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Wide temperature tolerance: Operates from ‑40 °C to +177 °C under demanding loads.
These attributes make it a trusted component for predictive maintenance and plant reliability programs.
Technical FAQs
1. What does this probe measure?
It measures shaft vibration and displacement in rotating machinery.
2. Is it compatible with existing 3300 XL systems?
Yes, this probe integrates seamlessly with the 3300 XL monitoring platform.
3. What is the cable length?
It comes with a 2.0 m cable for flexible sensor placement.
4. Can it operate in harsh industrial conditions?
Yes, the stainless‑steel housing and IP65 rating provide robust protection.
5. What frequency range does it handle?
Up to 10 kHz, suitable for dynamic machine monitoring.
6. What is the measurement range?
0.25 – 2.5 mm linear measurement.
7. What temperature range does it support?
From ‑40 °C to +177 °C.
8. What type of output signal does it provide?
A DC voltage proportional to the probe‑to‑target gap.
9. Is the housing material corrosion‑resistant?
Yes, it uses stainless‑steel construction for long service life.
10. Which industries benefit most from this probe?
Power generation, oil & gas, petrochemical, pulp & paper, and heavy manufacturing.
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