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- 330105-02-12-05-12-RU
- 3300 XL 8 mm Proximity Probes
- USA
- 8 mm
- 0.45kg
- Xiamen, China
- New & In Stock
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Bently Nevada 330105-02-12-05-12-RU Full Technical Overview
1. Product Title
330105-02-12-05-12-RU 3300 XL 8 mm Reverse Mount Proximity Probe
2. Brand Information
The product belongs to the Bently Nevada condition monitoring and machinery protection technology portfolio, widely used in critical rotating equipment protection systems across 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 axial position in turbines, compressors, pumps, and motors.
4. Product Introduction
The 330105-02-12-05-12-RU is an 8 mm reverse mount proximity probe designed for high-reliability measurement of rotating machinery behavior.
It operates using eddy current displacement sensing technology, which enables non-contact detection of shaft movement and vibration.
The reverse mount structure makes it suitable for installations with limited axial space or where traditional mounting is not feasible.
This model is part of a modular system consisting of:
- Proximity probe
- Extension cable
- Proximitor sensor
The system delivers stable and accurate signals for real-time machinery protection and predictive maintenance.
5. Technical Parameters
Key Specification Table
| Parameter | Specification |
|---|---|
| Model | 330105-02-12-05-12-RU |
| Series | 3300 XL 8 mm Reverse Mount Proximity System |
| Measurement Type | Non-contact eddy current displacement |
| Probe Diameter | 8 mm |
| Mounting Type | Reverse mount configuration |
| Operating Temperature Range | -51°C to +177°C |
| Linear Measurement Range | Approx. up to 2 mm (system dependent) |
| Output Signal | Analog voltage proportional to displacement |
| Cable Type | Coaxial integrated cable |
| Connector Type | Miniature ClickLoc coaxial |
| Material | Stainless steel probe tip |
| Electrical Frequency | High-frequency excitation (~10–50 kHz system range) |
| Size (Dimensions) | Approx. 20–25 cm probe assembly length |
| Weight (kg) | 0.23 – 0.45 kg (depending on cable and configuration) |
6. Product Applications
This probe is designed for industrial environments where continuous monitoring of rotating machinery is critical.
Typical Applications:
- Steam turbine shaft vibration monitoring
- Gas turbine rotor displacement measurement
- Centrifugal compressor protection systems
- Industrial pump shaft monitoring
- Motor bearing condition monitoring
- Oil & gas rotating machinery diagnostics
- Petrochemical plant machinery protection
- Power generation systems
7. Product Advantages
1. High Precision Measurement
Provides accurate detection of shaft vibration and displacement with minimal signal drift.
2. Reverse Mount Flexibility
Ideal for tight installation spaces or unconventional mounting orientations.
3. Non-Contact Technology
Reduces mechanical wear and ensures long-term reliability.
4. High Temperature Resistance
Operates in extreme environments up to 177°C.
5. Strong Signal Stability
Designed for industrial noise resistance and stable output.
6. Modular System Design
Fully compatible with extension cables and proximitor modules.
7. Long Operational Life
Built with rugged stainless steel construction for harsh industrial conditions.
8. Working Principle
The system operates based on eddy current induction principle:
- Probe emits an electromagnetic field
- Conductive shaft surface induces eddy currents
- Distance change modifies signal response
- System converts this into displacement and vibration data
This allows precise, real-time monitoring of rotating equipment behavior.
9. System Structure
The full monitoring system includes:
- 3300 XL proximity probe (this model)
- Extension cable (matched impedance coaxial)
- Proximitor sensor (signal conditioning unit)
10. Recommended 5 Related Models (Same / Similar Series)
| Model | Description | Key Parameter |
|---|---|---|
| 330105-02-12-05-02-00 | Standard 8 mm reverse mount probe | General-purpose monitoring |
| 330105-02-12-10-02-05 | Extended cable variant | Longer installation distance |
| 330103-00-05-10-02-00 | Compact 8 mm probe | Space-limited applications |
| 330106-05-30-10-02-05 | High-temp reinforced probe | Enhanced thermal resistance |
| 330104-00-12-05-01-00 | Lightweight probe version | Low-vibration systems |
11. Recommended 5 Popular Models (Same Brand)
| Model | Category | Key Parameter |
|---|---|---|
| 3300 XL 8 mm Proximitor Sensor | Signal converter | Converts probe signal to vibration data |
| 3300 XL 11 mm Proximity Probe | Larger probe series | Extended measurement range |
| 3500/42M Vibration Monitor | Monitoring module | Multi-channel machinery protection |
| 3500/32 Relay Module | Protection system module | Alarm and shutdown control |
| 1900/65 General Purpose Monitor | Condition monitoring system | Multi-asset diagnostics |
12. FAQ (10 Questions & Answers)
Q1: What is the main function of this probe?
A1: It measures shaft vibration and displacement in rotating machinery without physical contact.
Q2: Why is reverse mount design important?
A2: It allows installation in restricted spaces or special orientations where standard probes cannot fit.
Q3: What technology does it use?
A3: It uses eddy current non-contact displacement sensing technology.
Q4: What industries use this model?
A4: Power generation, oil & gas, petrochemical, and heavy manufacturing industries.
Q5: Can it operate in high temperature environments?
A5: Yes, it can operate reliably up to approximately 177°C.
Q6: Does it require physical contact with the shaft?
A6: No, it measures displacement without touching the surface.
Q7: What type of signal does it output?
A7: It outputs an analog voltage proportional to vibration or displacement.
Q8: What is the typical weight of the probe?
A8: Around 0.23 to 0.45 kg depending on configuration.
Q9: Is it part of a system or standalone device?
A9: It is part of a three-component system including probe, cable, and signal processor.
Q10: What is its main advantage over mechanical sensors?
A10: It provides non-contact measurement, reducing wear and increasing long-term reliability.