Precision Monitoring for Rotating Machinery
The Bently Nevada 330708-00-20-50-02-00 3300 XL 11 mm Proximity Probe is a high-precision, non-contact sensor designed for continuous condition monitoring of critical rotating equipment. Built on the proven 3300 XL platform, this probe delivers accurate vibration and displacement measurements, helping operators detect early-stage faults and prevent costly downtime.
Engineered for reliability in harsh industrial environments, it is widely trusted in applications where performance, durability, and measurement accuracy are essential.
Technical Specifications
| Parameter | Specification |
|---|
| Product Type | 3300 XL 11 mm Proximity Probe |
| Probe Diameter | 11 mm |
| Thread Type | 5/8-18 UNF |
| Total Length | 5.0 m (16.4 ft) |
| Case Length | 2.0 in |
| Connector Type | Miniature coaxial ClickLoc |
| Frequency Response | 0.5 Hz to 10 kHz |
| Sensitivity | ~200 mV/mil |
| Linear Measurement Range | 0.25 to 2.0 mm |
| Output Signal | Voltage proportional to shaft displacement |
| Operating Temperature | -40°C to +85°C (up to higher with system) |
| Maximum Vibration | Up to 100 g peak |
| Dimensions | Approx. 300 × 80 × 70 mm (shipping reference) |
| Weight | Approx. 0.17 – 0.45 kg (variant dependent) |
Application Fields and Industry Use
This proximity probe is specifically designed for monitoring rotating machinery in industries where equipment reliability is mission-critical. It is extensively used in power generation plants for turbine and generator monitoring, ensuring stable operation and early fault detection.
In oil & gas and petrochemical facilities, it plays a key role in compressor and pump monitoring, helping maintain safe and efficient production. Manufacturing industries rely on it for large motors and high-speed machinery, while heavy industries such as steel and cement use it for vibration analysis and predictive maintenance.
Key Advantages and Performance Highlights
The 330708-00-20-50-02-00 stands out for its exceptional measurement accuracy and long-term stability. Its non-contact sensing technology eliminates mechanical wear, ensuring consistent performance over extended periods.
The robust construction allows it to operate reliably in high-temperature, high-vibration, and high-humidity environments. The ClickLoc connector design simplifies installation while ensuring secure connections, reducing maintenance time and installation errors.
Another major advantage is its flexibility in system integration. With standardized configuration options and compatibility with Bently Nevada monitoring systems, it enables easy deployment in both new and existing installations. This makes it a cost-effective and future-ready solution for industrial asset protection.
Technical FAQs
1. What is the primary function of this probe?
It measures shaft displacement and vibration in rotating machinery.
2. Is it a contact or non-contact sensor?
It operates using non-contact eddy current measurement technology.
3. What industries commonly use this probe?
Power generation, oil & gas, petrochemical, and heavy manufacturing.
4. What is the typical measurement range?
Approximately 0.25 to 2.0 mm linear range.
5. What connector type does it use?
A miniature coaxial ClickLoc connector.
6. Can it withstand harsh environments?
Yes, it is designed for high temperature, vibration, and humidity conditions.
7. What is the cable length of this model?
5.0 meters (16.4 feet).
8. Does it require calibration?
Yes, periodic calibration ensures optimal accuracy.
9. What systems is it compatible with?
Bently Nevada 3300 and 3500 series monitoring systems.
10. How does it improve maintenance strategies?
By enabling predictive maintenance through real-time condition monitoring.
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