



Product Introduction
The Bently Nevada 330104‑01‑05‑50‑02‑00 3300 XL 8 mm Proximity Probe is a robust, high‑precision displacement and vibration sensor designed for industrial condition monitoring and machinery protection systems. As part of the 3300 XL proximity transducer family, this probe delivers reliable non‑contact measurements of shaft vibration, position, and movement, enabling operators to detect early signs of mechanical issues before they lead to costly failures.
With a rugged stainless‑steel body and advanced eddy‑current sensing technology, the 330104‑01‑05‑50‑02‑00 is engineered for continuous operation in harsh industrial environments, including power generation plants, petrochemical facilities, and heavy manufacturing operations. Its extended cable length and tailored configuration provide installation flexibility across diverse machinery layouts.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model | 330104‑01‑05‑50‑02‑00 |
| Product Type | Proximity Probe |
| Series | 3300 XL Proximity Transducer System |
| Probe Diameter | 8 mm |
| Sensing Technology | Eddy‑current proximity sensing |
| Thread Size | 3/8‑24 UNF |
| Connector Type | Standard miniature coaxial |
| Cable Type | FEP‑insulated coaxial cable |
| Linear Measurement Range | Approx. 2 mm |
| Frequency Response | 0 Hz – 10 kHz |
| Operating Temperature | −51 °C to +177 °C |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Probe Body Material | Stainless Steel |
| System Compatibility | Bently Nevada 3300 XL Proximitor sensors |
Applications
The 330104‑01‑05‑50‑02‑00 8 mm proximity probe is commonly used in industrial condition monitoring systems that require accurate, high‑resolution vibration and position data.
Typical applications include:
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Turbine vibration monitoring
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Generator shaft displacement and stability analysis
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Compressor shaft vibration monitoring
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Pump vibration and balance diagnostics
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Industrial predictive maintenance programs
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Heavy industrial equipment monitoring
These applications benefit from continuous non‑contact sensing to detect early changes in machine condition.
Key Advantages
Accurate Non‑Contact Measurement
Eddy‑current sensing technology provides precise measurements without physical contact, reducing wear and sensor degradation.
Industrial‑Grade Durability
Stainless‑steel housing and robust cable insulation ensure longevity in harsh environments with vibration, temperature variations, and contaminants.
Flexible Installation
The 5 m cable allows the probe to be mounted at optimum positions while routing the cable to monitoring hardware located remotely.
Reliable Signal Output
Low noise and high linearity deliver stable signals necessary for accurate machinery protection logic and condition monitoring systems.
Seamless System Integration
Designed for use with Bently Nevada 3300 XL Proximitor sensors and extension accessories, providing consistent performance within complete systems.
Technical FAQs
1. What does this proximity probe measure?
It measures shaft vibration, displacement, and position using non‑contact eddy‑current technology.
2. What is the diameter of the sensing tip?
This probe features an 8 mm diameter sensing tip.
3. What is the cable length?
The integrated cable length is approximately 5 m, offering installation flexibility.
4. Which monitoring systems is it compatible with?
It is compatible with Bently Nevada 3300 XL proximity transducer systems.
5. What is the operating temperature range?
It can operate reliably between −51 °C and +177 °C.
6. What industries commonly use this probe?
Power generation, petrochemical, oil & gas, and heavy industrial sectors.
7. Is calibration required during installation?
Calibration is typically performed during system commissioning to match the transducer and extension configuration.
8. What is the typical measurement range?
Approximately 2 mm linear range, depending on calibration and system setup.
9. Can this probe be used for continuous monitoring?
Yes, it is designed for continuous condition monitoring applications.
10. Does the probe require special mounting hardware?
Standard proximity probe mounting hardware is used; specific options depend on machine configuration.