Bently Nevada 330105-02-12-15-02-CN Full Technical Overview

1. Product Title

330105-02-12-15-02-CN 3300 XL 8 mm Reverse Mount Proximity Probe

2. Brand

This product belongs to a globally recognized industrial condition monitoring technology brand widely used for vibration monitoring, shaft displacement measurement, and rotating machinery protection systems in critical industries.

3. Product Series

3300 XL 8 mm Proximity Transducer System (Reverse Mount Type)

This series is designed for non-contact measurement of shaft vibration and axial displacement in high-speed rotating machinery such as turbines, compressors, pumps, and motors.

4. Product Introduction

The 330105-02-12-15-02-CN is an 8 mm reverse mount proximity probe used for precise measurement of shaft vibration and position in industrial rotating equipment.

It operates using eddy current sensing technology, which allows accurate detection of distance changes between the probe tip and conductive metal surfaces without physical contact.

The reverse mount configuration is specifically designed for compact installations or situations where traditional axial probe mounting is not possible.

The “CN” suffix typically indicates a region-specific configuration or compliance version, commonly used for localized regulatory or procurement requirements while maintaining standard electrical performance.

This probe is normally used as part of a full monitoring system including:

• Proximity probe
• Extension cable
• Proximitor signal conditioning module

Together, they form a complete machinery protection system for continuous condition monitoring.

5. Technical Parameters

Key Specification Table

6. Product Applications

This probe is widely used in industrial rotating machinery where continuous vibration monitoring is required.

Main Applications:

• Steam turbine shaft vibration monitoring
• Gas turbine rotor displacement measurement
• Centrifugal compressor protection systems
• Industrial pump condition monitoring
• Motor bearing vibration analysis
• Oil & gas rotating machinery systems
• Petrochemical process equipment
• Power generation plant diagnostics

7. Product Advantages

1. High Precision Non-Contact Measurement

Provides accurate and stable vibration and displacement measurement without physical contact.

2. Reverse Mount Installation Flexibility

Suitable for compact mechanical spaces or special installation orientations.

3. High Temperature Resistance

Stable operation in harsh environments up to 177°C.

4. Strong Electromagnetic Noise Resistance

Reliable signal output in industrial environments with high interference.

5. Durable Mechanical Construction

Stainless steel housing ensures long operational life.

6. Modular System Compatibility

Fully compatible with extension cables and proximitor modules.

7. Continuous 24/7 Monitoring Capability

Designed for critical machinery protection applications.

8. Working Principle

The probe operates based on the eddy current displacement principle:

• High-frequency electromagnetic field is generated
• Conductive shaft induces eddy currents
• Distance variation changes electromagnetic response
• Output voltage represents vibration or displacement

This allows accurate real-time monitoring of rotating machinery conditions.

9. System Composition

A complete system includes:

• 8 mm reverse mount proximity probe (this model)
• Coaxial extension cable
• Proximitor signal conditioning module

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