High-Precision Eddy Current Monitoring for Critical Industrial Machinery
The Bently Nevada 330101-24-35-10-02-00 3300 XL 8 mm Proximity Probe is a robust non-contact eddy-current sensor designed for continuous measurement of shaft vibration, radial displacement, and position in rotating machinery. As part of the widely adopted 3300 XL system, it provides stable signal output, high repeatability, and long-term durability in harsh industrial environments where machinery protection is essential.
This configuration is commonly associated with a 2.4-inch class probe case length, 3.5-inch mounting geometry variant, 1.0-meter system cable, ClickLoc connector, and standard configuration option (00), making it suitable for turbomachinery applications requiring deeper installation depth and reinforced mechanical stability. Based on 3300 XL ordering structure references, the “24-35” segment defines the mechanical probe body geometry used for specific mounting requirements in rotating equipment monitoring systems.
Built with stainless steel housing and a PPS sensing tip, the probe ensures reliable performance under vibration, temperature variation, and continuous industrial operation.
Technical Specifications Overview
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330101-24-35-10-02-00 |
| 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 |
| Case Length | ~2.4 in class configuration |
| Mounting Geometry | ~3.5 in variant (mechanical configuration) |
| System Cable Length | 1.0 m (3.3 ft) |
| Connector Type | Miniature coaxial ClickLoc |
| Housing Material | AISI 303/304 stainless steel |
| Probe Tip Material | PPS (Polyphenylene Sulfide) |
| Linear Measurement Range | 2.0 mm (80 mils) |
| Sensitivity | 7.87 V/mm (200 mV/mil) ±5% |
| Operating Temperature | -52°C to +177°C |
| Frequency Response | Up to 10 kHz |
| System Compatibility | 3300 XL Proximitor systems |
| Weight | Approx. 0.20–0.35 kg |
Industrial Applications
The 330101-24-35-10-02-00 probe is widely used in industries where rotating machinery reliability directly affects safety, productivity, and operational continuity.
Typical applications include:
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Steam turbine vibration monitoring
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Gas turbine condition monitoring
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Centrifugal compressor diagnostics
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Industrial pump performance analysis
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Electric motor shaft displacement measurement
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Generator protection systems
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Oil & gas processing facilities
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Petrochemical plants
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Power generation stations
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Heavy industrial rotating equipment systems
It enables continuous monitoring of shaft behavior, helping detect early-stage faults such as imbalance, misalignment, looseness, and bearing wear—supporting predictive maintenance strategies and reducing unplanned downtime.
Key Advantages
Stable Non-Contact Measurement
Eddy-current sensing ensures accurate, repeatable vibration and displacement readings.
Reinforced Mechanical Configuration
The 2.4–3.5 inch class geometry supports deeper or more demanding installation requirements.
Industrial Durability
Stainless steel housing and PPS tip provide resistance to harsh environments and continuous operation stress.
Predictive Maintenance Enablement
Supports early fault detection and condition-based monitoring strategies.
Seamless System Integration
Fully compatible with 3300 XL Proximitor systems and extension cables.
Long-Term Operational Reliability
Designed for 24/7 industrial monitoring in mission-critical applications.
Technical FAQs
Q1: What is the main function of this probe?
It measures shaft vibration, displacement, and position without physical contact.
Q2: What technology does it use?
It uses eddy-current non-contact sensing technology.
Q3: What does the “24-35” configuration represent?
It indicates a specific mechanical case length and mounting geometry combination within the 3300 XL ordering structure.
Q4: What is the system cable length?
It uses a 1.0-meter cable assembly.
Q5: Which industries use this probe?
Power generation, oil & gas, petrochemical, and heavy industrial sectors.
Q6: Does it require physical contact with the shaft?
No, it measures through non-contact eddy-current sensing.
Q7: What materials are used in construction?
AISI 303/304 stainless steel housing 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 compatible with other 3300 XL components?
Yes, it is fully interchangeable within the 3300 XL system architecture.
Q10: What is the main benefit for maintenance teams?
It enables early detection of mechanical degradation, reducing downtime and maintenance costs.
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