High-Reliability Proximity Measurement for Critical Rotating Machinery
The Bently Nevada 330103-00-11-90-02-CN 3300 XL 8 mm Proximity Probe Metric is a precision eddy current sensor designed for continuous monitoring of vibration and shaft position in industrial rotating equipment. As part of the proven 3300 XL series, this probe is widely used in condition monitoring systems where stability, interchangeability, and long-term measurement accuracy are essential.
With a 9.0-meter total system length, metric M10 × 1 threading, and CN-approved configuration, this model is especially suitable for international industrial installations requiring standardized mounting and extended cable routing.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330103-00-11-90-02-CN |
| Series | 3300 XL |
| Probe Type | 8 mm Proximity Probe |
| Measurement Technology | Eddy Current Sensing |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 (Metric) |
| Unthreaded Length | 0 mm |
| Case Length | 110 mm |
| Total System Length | 9.0 meters (29.5 ft) |
| Connector Type | Miniature ClickLoc Coaxial |
| Cable Type | Standard Industrial Cable |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Housing Material | Stainless Steel (AISI 303/304) |
| Measurement Function | Shaft vibration & position |
| Output Signal | Dynamic + Static |
| Operating Temperature | -52°C to +177°C |
| Installation Style | Fixed threaded mounting |
| Approval | CN (regional compliance configuration) |
| Environmental Resistance | Oil, dust, vibration resistant |
| Approx. Weight | ~0.32 kg |
Application Scope
This probe is commonly deployed in predictive maintenance and machine protection systems across heavy industry.
Typical Applications
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Steam turbine shaft vibration monitoring
-
Gas compressor condition monitoring
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Centrifugal pump protection systems
-
Industrial motor diagnostics
-
Petrochemical rotating machinery
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Refinery processing equipment
-
Power generation turbines
-
Large-scale industrial drive systems
The extended 9-meter configuration makes it particularly effective in plants where sensors must be installed far from control or monitoring cabinets.
Key Advantages
Extended Reach for Complex Installations
The 9-meter cable configuration provides excellent flexibility for large industrial layouts and distributed monitoring architectures.
Stable High-Precision Measurement
Delivers reliable shaft vibration and displacement readings even under continuous industrial stress conditions.
Metric Installation Compatibility
M10 × 1 threading ensures seamless integration into globally standardized mechanical systems.
Rugged Industrial Design
Stainless-steel construction and PPS probe tip provide durability in harsh environments with heat, oil exposure, and vibration.
Strong Signal Integrity
Designed to maintain consistent eddy current signal stability over long cable distances.
Fully Integrated 3300 XL Ecosystem
Compatible with Bently Nevada Proximitor sensors and extension cable systems for complete machine protection solutions.
Technical FAQs
1. What is the main function of this probe?
It measures shaft vibration and position using non-contact eddy current sensing technology.
2. What does the “CN” suffix indicate?
It refers to a regional approval/configuration variant used for specific compliance requirements.
3. What is the total cable length?
The total system length is 9.0 meters (29.5 ft).
4. Is this a metric probe?
Yes, it uses an M10 × 1 metric thread.
5. What machines typically use this probe?
Turbines, compressors, pumps, and industrial rotating equipment.
6. Can it operate continuously?
Yes, it is designed for continuous industrial monitoring applications.
7. What material is the probe body made of?
Stainless steel (AISI 303/304).
8. Does it measure both vibration and position?
Yes, it supports both dynamic and static measurements.
9. Is it compatible with other 3300 XL components?
Yes, it integrates with the full 3300 XL transducer system.
10. Why is the 3300 XL series widely used?
Because it provides reliable accuracy, interchangeability, and long-term stability in harsh industrial environments.
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