Precision Monitoring for Critical Rotating Equipment
The Bently Nevada 330101-20-36-10-02-00 3300 XL 8 mm Proximity Probe is a high-accuracy eddy-current sensor designed to provide continuous, non-contact measurement of shaft vibration and shaft position in industrial rotating machinery. As part of the renowned 3300 XL 8 mm Proximity Transducer System, this probe delivers exceptional signal stability, reliable long-term performance, and outstanding resistance to harsh industrial environments.
Configured with a 2.0 in. (50.8 mm) unthreaded length, 3.6 in. (91.4 mm) overall case length, a 1.0 m (3.3 ft) integrated standard cable, and a Miniature ClickLoc™ coaxial connector, this model is ideal for machinery protection systems used in power generation, oil and gas, petrochemical, and manufacturing industries. The Option 00 approval indicates a standard industrial configuration without hazardous-area certifications. It integrates seamlessly with compatible 3300 XL Extension Cables and 3300 XL Proximitor Sensors to create a complete and highly dependable monitoring solution.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330101-20-36-10-02-00 |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Series | 3300 XL 8 mm Proximity Transducer System |
| Sensing Technology | Non-contact Eddy Current |
| Probe Diameter | 8 mm |
| Thread Size | 3/8-24 UNF |
| Unthreaded Length | 2.0 in. (50.8 mm) |
| Overall Case Length | 3.6 in. (91.4 mm) |
| Total Cable Length | 1.0 m (3.3 ft) |
| Cable Type | Standard FEP Cable |
| Connector Type | Miniature ClickLoc™ Coaxial Connector |
| Linear Measurement Range | 2.0 mm (80 mils) |
| Scale Factor | 7.87 V/mm (200 mV/mil) ±5% |
| Frequency Response | 0 Hz to 10 kHz |
| Operating Temperature | -51°C to +177°C (-60°F to +351°F) |
| Agency Approval | Option 00 – No Agency Approval |
| Dimensions | Approx. Ø8 mm × 91.4 mm |
| Approximate Net Weight | 0.24 kg |
| Approximate Shipping Weight | 0.48 kg |
Typical Applications
The 330101-20-36-10-02-00 is engineered for continuous condition monitoring and machinery protection across a wide range of industrial applications.
Typical installations include:
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Steam turbine monitoring
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Gas turbine protection systems
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Centrifugal compressors
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Industrial pumps
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Electric motors
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Power generation equipment
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Gearboxes
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Blowers and fans
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Petrochemical processing plants
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Pulp and paper production facilities
Its optimized probe geometry and reliable signal transmission help maintenance teams identify abnormal shaft movement before it develops into costly mechanical failures, supporting higher equipment availability and lower maintenance costs.
Technical FAQs
1. What is the primary function of this proximity probe?
The probe measures shaft vibration, shaft position, and dynamic displacement using advanced eddy-current sensing technology.
2. Which monitoring system is this probe designed for?
It is designed exclusively for the Bently Nevada 3300 XL 8 mm Proximity Transducer System.
3. What is the unthreaded length of this model?
This configuration includes a 2.0-inch (50.8 mm) unthreaded section to provide greater mounting flexibility.
4. What is the overall probe case length?
The probe body measures 3.6 inches (91.4 mm) in overall case length.
5. What cable length is supplied?
The probe is equipped with a 1.0 m (3.3 ft) factory-installed standard cable.
6. Which connector is used?
It utilizes a Miniature ClickLoc™ coaxial connector, providing secure installation and dependable signal integrity.
7. Does this model include hazardous-area certifications?
No. The Option 00 configuration is intended for standard industrial environments and does not include CSA, ATEX, or IECEx approvals.
8. Which equipment commonly uses this probe?
It is widely installed on turbines, compressors, generators, motors, pumps, and other critical rotating machinery.
9. Can this probe operate independently?
No. It is designed to operate with a compatible 3300 XL Proximitor Sensor and, where required, a matching extension cable to complete the transducer system.
10. Is it suitable for continuous online condition monitoring?
Yes. The probe is specifically designed for permanent installation in machinery protection and predictive maintenance systems operating continuously.
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