Designed for Accurate Machinery Protection
The 330103-00-07-20-02-CN utilizes advanced eddy current technology to measure the gap between the probe tip and a conductive shaft surface without physical contact. The resulting electrical output is proportional to shaft movement, allowing highly accurate monitoring of vibration, shaft position, eccentricity, and rotational behavior.
When combined with a compatible 3300 XL Extension Cable and 3300 XL Proximitor® Sensor, the probe forms a complete transducer system capable of delivering reliable data for predictive maintenance and machinery protection systems.
Typical monitored equipment includes:
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Steam turbines
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Gas turbines
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Centrifugal compressors
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Electric motors
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Pumps
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Generators
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Industrial gearboxes
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330103-00-07-20-02-CN |
| Product Type | 3300 XL 8 mm Eddy Current Probe |
| Series | 330103 Metric Series |
| Measurement Principle | Non-contact Eddy Current |
| Mounting Thread | M10 × 1 Metric |
| Probe Diameter | 8 mm |
| Unthreaded Length | 0 mm |
| Overall Case Length | 70 mm |
| Total Cable Length | 2.0 m (6.6 ft) |
| Connector Type | Miniature Coaxial ClickLoc™ Connector |
| Cable Type | Standard Cable |
| Agency Approval | CN (Country-Specific Approval) |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Probe Housing Material | AISI 303/304 Stainless Steel |
| Seal Material | Viton® O-ring |
| Compatible Extension Cable | 3300 XL Extension Cable |
| Compatible Sensor | 3300 XL Proximitor® Sensor |
| Operating Temperature | Approx. -51°C to +177°C |
| Approximate Dimensions | Ø8 mm × 70 mm case length |
| Approximate Weight | 0.323 kg |
Typical Applications
The 330103-00-07-20-02-CN is widely deployed in industries where uninterrupted machinery operation is essential.
| Industry | Typical Equipment |
|---|
| Power Generation | Steam turbines, gas turbines, generators |
| Oil & Gas | Compressors, pumps, turbo expanders |
| Petrochemical | Process compressors and rotating equipment |
| Manufacturing | High-speed motors, gearboxes, production lines |
| Mining & Metals | Crushers, mills, heavy rotating machinery |
Common applications include:
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Shaft vibration monitoring
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Radial displacement measurement
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Axial position monitoring
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Rotor eccentricity analysis
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Machine protection systems
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Predictive maintenance programs
Product Advantages
Extended 2.0-Meter Cable
The integrated 2.0-meter cable provides additional installation flexibility, making routing easier on large rotating machines and simplifying system integration.
Proven Eddy Current Measurement Technology
The non-contact sensing principle delivers highly accurate, repeatable measurements while eliminating mechanical wear, ensuring dependable long-term performance.
Rugged Industrial Construction
Built with a stainless-steel housing, PPS sensing tip, and Viton® sealing, the probe withstands harsh industrial environments, including vibration, oil exposure, moisture, and elevated temperatures.
CN Hazardous-Area Approval
The CN approval option supports installations requiring China-specific hazardous-area certification, making the probe suitable for regulated industrial applications.
Seamless System Compatibility
The probe integrates directly with 3300 XL Extension Cables and 3300 XL Proximitor® Sensors, allowing straightforward replacement and expansion of existing monitoring systems.
Technical FAQs
1. What is the 330103-00-07-20-02-CN used for?
It is used for non-contact measurement of shaft vibration, radial displacement, and axial position in rotating machinery.
2. Which transducer system does it belong to?
It is part of the 3300 XL 8 mm Proximity Transducer System.
3. What mounting thread does this probe use?
It features an M10 × 1 metric mounting thread.
4. What does the "07" option represent?
The 07 option specifies a 70 mm overall probe case length.
5. What does the "20" option indicate?
It denotes a 2.0-meter (6.6 ft) integral cable.
6. Which connector is supplied?
The probe is equipped with a Miniature Coaxial ClickLoc™ connector and standard cable.
7. What does the "CN" suffix mean?
The CN suffix indicates a country-specific approval configuration intended for installations requiring Chinese hazardous-area certifications.
8. Which materials are used in its construction?
The sensing tip is made from Polyphenylene Sulfide (PPS), while the housing is manufactured from AISI 303/304 stainless steel with a Viton® O-ring seal.
9. Is this probe compatible with existing 3300 XL systems?
Yes. It is fully compatible with matching 3300 XL Extension Cables and 3300 XL Proximitor® Sensors.
10. Which machines commonly use this probe?
It is commonly installed on turbines, compressors, generators, pumps, motors, and other critical rotating machinery requiring continuous condition monitoring.
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