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- Bently Nevada
- 330105-02-12-10-12-RU
- 3300 XL 8 mm Proximity Probes
- USA
- 8 mm
- 0.5kg
- Xiamen, China
- New & In Stock
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Bently Nevada 330105-02-12-10-12-RU Full Technical Overview
1. Product Title
330105-02-12-10-12-RU 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 rotating equipment diagnostics.
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 displacement in critical rotating machinery.
4. Product Introduction
The 330105-02-12-10-12-RU is an 8 mm reverse mount proximity probe used for continuous monitoring of rotating machinery conditions.
It is based on eddy current non-contact sensing technology, which allows accurate detection of distance changes between the probe tip and conductive metal surfaces such as shafts.
The reverse mount structure is designed for equipment installations where axial space is limited or where conventional mounting orientation is not possible.
This probe is normally part of a complete 3-component system:
- Proximity probe
- Extension cable
- Proximitor signal conditioner
Together, they form a stable vibration monitoring chain for industrial machinery protection systems.
5. Technical Parameters
Key Specification Table
| Parameter | Specification |
|---|---|
| Model | 330105-02-12-10-12-RU |
| Series | 3300 XL 8 mm Reverse Mount System |
| Measurement Principle | Eddy current non-contact displacement |
| Probe Diameter | 8 mm |
| Mounting Type | Reverse mount configuration |
| Output Signal | Analog voltage proportional to vibration/displacement |
| Linear Range | ~2.0 mm (typical system range) |
| Operating Frequency | ~30–50 kHz system dependent |
| Cable Type | Integrated coaxial cable |
| Connector Type | ClickLoc miniature coaxial |
| Material | Stainless steel probe housing |
| Tip Material | PPS (Polyphenylene Sulfide) |
| Operating Temperature Range | -51°C to +177°C |
| Dimensions | Approx. 8–10 cm probe body + cable assembly |
| System Length Options | 0.5 m – 9 m configurations |
| Weight (kg) | 0.25 – 0.50 kg (typical configuration) |
6. Product Applications
This probe is widely used in industries where rotating machinery reliability is critical.
Main Applications:
- Steam turbine shaft vibration monitoring
- Gas turbine rotor position detection
- Centrifugal compressor condition monitoring
- Industrial pump vibration analysis
- Motor bearing condition monitoring
- Oil & gas rotating equipment protection
- Petrochemical processing machinery
- Power generation plant diagnostics
7. Product Advantages
1. High Precision Non-Contact Measurement
Provides accurate real-time vibration and displacement data without physical contact.
2. Reverse Mount Installation Flexibility
Designed for confined spaces or inverted installation orientations.
3. High Temperature Capability
Stable operation in harsh environments up to 177°C.
4. Strong Industrial Signal Stability
Resistant to electromagnetic noise in industrial environments.
5. Durable Construction
Stainless steel housing ensures long mechanical life.
6. Modular System Design
Compatible with extension cables and signal conditioning units.
7. Continuous Monitoring Capability
Suitable for 24/7 critical machinery protection.
8. Working Principle
The system operates based on the eddy current displacement principle:
- A high-frequency electromagnetic field is generated by the probe
- Conductive shaft surface induces eddy currents
- Distance changes modify the electromagnetic response
- Output voltage represents vibration or displacement
This allows precise monitoring of machinery behavior in real time.
9. System Composition
A complete system includes:
- 8 mm reverse mount proximity probe (this model)
- Coaxial extension cable
- Proximitor signal conditioning module
10. Recommended 5 Related Models (Same / Similar Series)
| Model | Description | Key Parameter |
|---|---|---|
| 330105-02-12-10-02-00 | Standard reverse mount probe | OEM industrial use |
| 330105-02-12-05-02-00 | Standard configuration probe | General monitoring |
| 330105-02-12-10-02-CN | Region compliance variant | Certified applications |
| 330105-02-12-05-12-05 | Extended cable version | Flexible installation |
| 330103-00-05-10-02-00 | Compact probe model | Space-limited machinery |
11. Recommended 5 Popular Models (Same Brand)
| Model | Category | Key Parameter |
|---|---|---|
| 3300 XL 8 mm Proximitor Sensor | Signal module | Converts probe output to monitoring signal |
| 3300 XL 11 mm Proximity Probe | Probe system | Extended measurement capability |
| 3500/42M Vibration Monitor | Protection module | Multi-channel vibration analysis |
| 3500/32 Relay Module | Control module | Alarm and shutdown logic |
| 1900/65 Monitoring System | Diagnostic system | Multi-asset condition monitoring |
12. FAQ (10 Questions & Answers)
Q1: What is the main function of this probe?
A1: It measures shaft vibration and displacement without physical contact.
Q2: What does “RU” mean in the model?
A2: It typically refers to a reverse mount or region-specific configuration variant.
Q3: What sensing technology is used?
A3: Eddy current non-contact displacement measurement.
Q4: What industries use it?
A4: Power generation, oil & gas, petrochemical, and heavy industry.
Q5: What is the operating temperature range?
A5: From -51°C to +177°C.
Q6: Does it contact the shaft?
A6: No, it operates without physical contact.
Q7: What signal does it output?
A7: Analog voltage proportional to displacement or vibration.
Q8: What is the typical weight?
A8: Around 0.25 kg to 0.50 kg depending on configuration.
Q9: Is it a standalone device?
A9: No, it is part of a 3-component measurement system.
Q10: What is the main advantage over mechanical sensors?
A10: No mechanical wear and high long-term measurement stability.