Precision Shaft Monitoring for High-Performance Rotating Machinery
The Bently Nevada 330101-00-37-05-02-05 3300 XL 8 mm Proximity Probe is a premium non-contact sensing device designed for continuous shaft vibration, displacement, and position measurement in critical rotating equipment. As part of the industry-leading 3300 XL transducer platform, this probe delivers dependable measurement accuracy, excellent environmental durability, and long-term operational stability.
Designed for use with compatible 3300 XL extension cables and Proximitor sensors, the probe provides highly linear output characteristics that support machinery protection, condition monitoring, and performance optimization programs across a wide range of industrial applications.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330101-00-37-05-02-05 |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Measurement Technology | Eddy Current Sensing |
| Measurement Function | Shaft Vibration, Position, and Displacement Monitoring |
| Probe Diameter | 8 mm |
| Thread Type | 3/8-24 UNF |
| Armor Configuration | Without Armor |
| Unthreaded Length | 0.0 in |
| Overall Case Length | 3.7 in |
| Total Cable Length | 0.5 m (1.6 ft) |
| Connector Type | Miniature Coaxial ClickLoc Connector |
| Cable Type | Standard 75 Ω Cable |
| Agency Approval | CSA / ATEX / IECEx Approved Configuration |
| System Compatibility | 3300 XL Extension Cable and Proximitor Sensor |
| Linear Measurement Range | 2 mm (80 mils) typical |
| Scale Factor | 7.87 V/mm (200 mV/mil) ±5% |
| Frequency Response | DC to 10 kHz (system dependent) |
| Probe Tip Material | PPS (Polyphenylene Sulfide) |
| Housing Material | Stainless Steel |
| Operating Temperature | Up to +177°C system capability |
| Minimum Cable Bend Radius | 25.4 mm |
| Dimensions (Approx.) | 8 mm Probe Diameter × 3.7 in Case Length |
| Weight (Approx.) | 0.20–0.32 kg |
Typical Applications
Turbine Monitoring Systems
Provides continuous shaft vibration and position monitoring in steam, gas, and hydro turbine installations.
Compressor Protection Systems
Supports accurate rotor movement analysis and shaft displacement monitoring in compressor trains.
Generator Condition Monitoring
Used to evaluate shaft behavior and vibration trends in power generation equipment.
Pump Monitoring Applications
Helps maintain equipment reliability through continuous shaft condition assessment.
Industrial Rotating Equipment
Suitable for machinery protection and performance monitoring in manufacturing, petrochemical, and process industries.
Key Advantages
High Measurement Accuracy
Delivers precise non-contact measurement for critical rotating machinery applications.
Proven 3300 XL Platform
Built on a globally recognized proximity transducer system widely used in industrial machinery monitoring.
Excellent Long-Term Stability
Provides consistent output performance throughout extended operating cycles.
Rugged Industrial Construction
Features corrosion-resistant materials designed for demanding environments.
Flexible Installation
Compact case length and short cable configuration support installation in restricted spaces.
Reliable System Compatibility
Works seamlessly with standard 3300 XL extension cables and Proximitor sensors.
Technical FAQs
1. What does this probe measure?
It measures shaft vibration, shaft position, and displacement in rotating machinery.
2. Is the measurement non-contact?
Yes. The probe uses eddy current sensing technology and does not require physical contact with the target.
3. Can the probe operate independently?
No. It must be used as part of a complete 3300 XL transducer system.
4. What is the probe diameter?
The sensing tip diameter is 8 mm.
5. What is the overall case length?
This configuration features a 3.7-inch case length.
6. What cable length is included?
The probe includes a 0.5-meter integrated cable.
7. What connector type is used?
It uses a miniature coaxial ClickLoc connector.
8. What industries commonly use this model?
Power generation, petrochemical processing, manufacturing, and oil and gas operations.
9. Is it suitable for continuous monitoring?
Yes. It is designed specifically for long-term machinery condition monitoring.
10. Why is the 3300 XL series widely adopted?
Because it offers excellent accuracy, interchangeability, durability, and proven field performance.
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