



High-Reliability Industrial Sensing for Continuous Machinery Protection
The Bently Nevada 330101-00-76-10-02-05 3300 XL 8 mm Proximity Probe is a precision-engineered eddy-current sensor designed for accurate, non-contact measurement of shaft vibration, radial displacement, and position in rotating industrial equipment. As part of the globally recognized 3300 XL series, it delivers stable performance, strong noise immunity, and long service life in demanding industrial environments.
This configuration is commonly associated with a 7.6-inch class probe geometry option and a 1.0-meter system cable setup, providing extended mechanical reach and flexible installation for a wide range of turbomachinery applications. It is widely used in condition monitoring systems where continuous measurement accuracy is essential for operational safety and asset protection.
Built with stainless steel housing and a PPS sensing tip, this probe is engineered for durability, corrosion resistance, and consistent performance under harsh operating conditions.
Technical Specifications Overview
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330101-00-76-10-02-05 |
| Product Series | 3300 XL |
| Product Type | 8 mm Proximity Probe |
| Measurement Technology | Eddy Current (Non-Contact) |
| Probe Diameter | 8 mm |
| Thread Type | 3/8-24 UNF |
| System Cable Length | 1.0 m (typical configuration) |
| Connector Type | Miniature coaxial ClickLoc |
| Housing Material | AISI 303/304 stainless steel |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Linear Measurement Range | 2.0 mm (80 mils) |
| Sensitivity | 7.87 V/mm (200 mV/mil) ±5% |
| Frequency Response | Up to 10 kHz |
| Operating Temperature | -52°C to +177°C |
| System Compatibility | 3300 XL Proximitor systems |
| Weight | Approx. 0.15–0.32 kg (configuration dependent) |
Industrial Applications
The 330101-00-76-10-02-05 probe is widely applied in industries where rotating machinery reliability directly affects production continuity, safety, and operational efficiency.
Typical applications include:
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Steam turbine vibration monitoring
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Gas turbine protection and diagnostics
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Centrifugal compressor condition monitoring
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Industrial pump performance analysis
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Electric motor shaft displacement tracking
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Generator protection systems
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Oil and gas processing facilities
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Petrochemical plants
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Power generation stations
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Heavy industrial manufacturing systems
By continuously monitoring shaft motion, it enables early detection of imbalance, misalignment, looseness, and bearing degradation—supporting predictive maintenance strategies and reducing unplanned downtime.
Key Advantages
High-Accuracy Non-Contact Measurement
Eddy-current sensing ensures stable, repeatable vibration and displacement readings.
Extended Mechanical Reach
The 7.6-inch class geometry supports deeper or more complex installation requirements.
Industrial-Grade Durability
Stainless steel construction provides excellent resistance to corrosion and mechanical stress.
Predictive Maintenance Optimization
Supports early fault detection for improved asset lifecycle management.
Seamless System Integration
Fully compatible with the 3300 XL transducer ecosystem.
Reliable 24/7 Operation
Designed for continuous monitoring in mission-critical industrial environments.
Technical FAQs
Q1: What is the main function of this probe?
It measures shaft vibration, displacement, and position without physical contact.
Q2: What does the 3300 XL system represent?
A high-performance eddy-current proximity measurement platform used for machinery protection.
Q3: What does the “76” code indicate?
It represents a specific probe geometry/configuration variant within the ordering structure.
Q4: What is the cable length?
Typically 1.0 meter system cable configuration.
Q5: Which industries use this probe?
Power generation, oil and gas, petrochemical, and heavy industrial sectors.
Q6: Does it require contact with the shaft?
No, it operates using non-contact eddy-current sensing.
Q7: What materials are used?
AISI 303/304 stainless steel body with PPS sensing tip.
Q8: Can it operate in harsh environments?
Yes, it is designed for high vibration and temperature industrial conditions.
Q9: Is it interchangeable with other 3300 XL probes?
Yes, it is fully compatible within the 3300 XL system.
Q10: What is the main benefit for maintenance teams?
Early detection of mechanical faults, reducing downtime and maintenance cost.