Bently Nevada 330105-02-15-05-02-02 Full Technical Overview

1. Product Title

330105-02-15-05-02-02 3300 XL 8 mm Reverse Mount Proximity Probe

2. Brand

This product belongs to a globally recognized industrial condition monitoring and machinery protection technology brand widely used in vibration monitoring, shaft displacement measurement, and predictive maintenance systems across power generation, oil & gas, petrochemical, and heavy industries.

3. Product Series

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

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

4. Product Introduction

The 330105-02-15-05-02-02 is an 8 mm reverse mount proximity probe used for continuous monitoring of rotating machinery condition.

It operates using eddy current sensing technology, which measures the gap variation between the probe tip and conductive shaft surface without physical contact.

The “15” in the model code typically indicates a 1.5-meter system configuration, commonly used for compact installations where shorter cable routing is required.

The reverse mount structure makes it suitable for installations where axial space is limited or where conventional probe positioning is not feasible.

This probe is part of a complete 3-component system:

• Proximity probe
• Extension cable
• Proximitor signal conditioner

Together, they form a stable vibration monitoring chain for machinery protection and predictive maintenance systems.

5. Technical Parameters

Key Specification Table

📌 Typical probe weight values for this series cluster around ~0.323 kg depending on cable configuration and termination style.

6. Product Applications

This probe is widely used in industrial rotating machinery where compact installation and high reliability are required.

Main Applications:

• Steam turbine shaft vibration monitoring
• Gas turbine rotor displacement measurement
• Compressor vibration monitoring systems
• Industrial pump condition monitoring
• Motor bearing diagnostics
• Generator shaft vibration analysis
• Petrochemical rotating equipment
• Power plant predictive maintenance systems

7. Product Advantages

1. Compact system design

Ideal for short-distance installation layouts (1.5 m configuration).

2. Non-contact measurement

No mechanical wear, ensuring long service life.

3. High temperature resistance

Stable operation up to 177°C in industrial environments.

4. Strong EMI resistance

Reliable signal output in electrically noisy conditions.

5. Industrial-grade construction

Stainless steel body ensures corrosion resistance and durability.

6. Modular compatibility

Works with extension cables and proximitor systems.

7. Stable long-term monitoring

Suitable for continuous 24/7 machinery protection systems.

8. Working Principle

The probe operates based on the eddy current displacement principle:

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

This enables precise real-time monitoring of rotating machinery condition.

9. System Composition

A complete system includes:

• 8 mm reverse mount proximity probe (this model)
• 1.5 m coaxial cable assembly
• Proximitor signal conditioning module

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