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- Bently Nevada
- 330901-00-12-05-02
- 3300 XL NSv Proximity Probe
- USA
- 8 mm
- 0.32kg
- Xiamen, China
- New & In Stock
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Industrial Proximity Probe Technical Report
Model: 330901-00-12-05-02
1. Product Introduction
The model 330901-00-12-05-02 is a proximity probe used in industrial machinery monitoring systems for non-contact measurement of shaft vibration and displacement.
It is designed to operate as part of an eddy current measurement chain, working together with a proximitor sensor and extension cable to provide accurate dynamic shaft position data.
This probe is commonly installed in critical rotating equipment such as turbines, compressors, and pumps where continuous condition monitoring is required for operational safety and predictive maintenance.
The product belongs to the 3300 XL proximity measurement platform developed within the industrial monitoring ecosystem of Bently Nevada.
2. Product Series Overview
The model is part of the 3300 XL 8mm Proximity Probe Series, a widely used industrial standard for vibration and displacement monitoring.
Key characteristics of the series include:
- 8 mm probe tip diameter standardization
- High temperature resistance design
- Modular architecture (probe, cable, sensor driver)
- Stable linear response for precise measurement
- Long-term durability in harsh industrial environments
- Compatibility with multiple monitoring systems
This series is widely adopted in global rotating machinery protection applications.
3. Technical Parameters
Detailed Specification Table
| Parameter | Specification |
|---|---|
| Model | 330901-00-12-05-02 |
| Measurement Principle | Eddy current displacement sensing |
| System Type | 3300 XL proximity probe system |
| Probe Diameter | 8 mm |
| Sensing Range | Approx. 2 mm to 4 mm linear range |
| Target Material | Conductive metallic shaft surfaces |
| Output Type | Voltage proportional to gap distance |
| Cable Type | Integrated probe cable |
| Cable Length Code | 12 (configuration-based length) |
| Electrical Connection | Standard industrial connector system |
| Operating Temperature | -52°C to +177°C |
| Storage Temperature | -55°C to +200°C |
| Mounting Type | Threaded probe installation |
| Housing Material | Stainless steel + insulated protective coating |
| Calibration | Factory calibrated linear response |
| Frequency Response | Suitable for high-speed rotating machinery |
| Dimensions | 8 mm probe diameter × ~60–90 mm probe body length |
| Total Assembly Length | Depends on cable configuration |
| Weight | ~0.18 – 0.32 kg |
4. Product Structure Description
The probe consists of three main functional parts:
The sensing tip is made of wear-resistant stainless steel, responsible for generating the eddy current field.
The probe body provides structural support and insulation, ensuring signal stability in high vibration environments.
The integrated cable system transmits the measurement signal to the monitoring module with minimal noise interference.
Each part is designed for long-term industrial deployment with minimal maintenance requirements.
5. Application Areas
The model is widely used in rotating machinery monitoring and protection systems, including:
It is applied for measuring shaft vibration, axial displacement, rotor eccentricity, and dynamic clearance in real time.
Typical industrial sectors include:
- Power generation plants (gas, steam, hydro turbines)
- Oil and gas compressor stations
- Petrochemical refining systems
- Industrial pumping systems
- Marine propulsion machinery
- Heavy manufacturing equipment
It is particularly valuable in continuous monitoring systems where early fault detection is critical.
6. Product Advantages
The model provides several important engineering advantages:
It delivers high accuracy in non-contact measurement, eliminating mechanical wear issues common in contact sensors.
It maintains stable performance under high temperature, vibration, and oil contamination environments.
The probe offers strong electromagnetic interference resistance, ensuring reliable signal integrity in industrial settings.
Its modular design allows flexible system integration and simplified maintenance.
The long operational life reduces downtime and maintenance cost in critical machinery systems.
It also provides excellent linearity across its measurement range, ensuring precise diagnostic results.
7. Related Models (Same Series / Closely Related)
Model Comparison Table
| Model | Description | Key Characteristics | Size | Weight (kg) |
|---|---|---|---|---|
| 330901-00-08-05-02 | Short cable configuration probe | Standard 8 mm probe, compact wiring length | 8 mm × ~55 mm | ~0.17 |
| 330901-00-10-05-02 | Balanced configuration version | Medium cable length, general industrial use | 8 mm × ~60 mm | ~0.19 |
| 330901-00-15-05-02 | Extended reach probe | Long cable for remote mounting systems | 8 mm × ~65 mm | ~0.26 |
| 330905-00-12-05-02 | High temperature variant | Enhanced thermal resistance design | 8 mm × ~60 mm | ~0.21 |
| 330908-00-12-05-02 | Heavy duty reinforced probe | Improved vibration resistance and shielding | 8 mm × ~70 mm | ~0.23 |
8. Popular Models from Same Brand Ecosystem
High Demand Product Table
| Model | Product Type | Key Function | Size | Weight (kg) |
|---|---|---|---|---|
| 3300 XL 8mm Probe System | Proximity probe system | Standard shaft vibration monitoring | 8 mm probe | ~0.20 |
| 330780-90-00 Proximitor Sensor | Signal conditioner | Converts probe signal into usable output | Compact module | ~0.45 |
| 3500/42M Vibration Monitor Module | Monitoring module | Multi-channel vibration analysis | Rack module | ~1.6 |
| 190501 Accelerometer Sensor | Vibration sensor | Structural vibration measurement | Small sensor | ~0.12 |
| TK-3E Calibration Kit | Calibration equipment | Field calibration and testing system | Portable kit | ~2.4 |
9. Summary
The 330901-00-12-05-02 proximity probe is a precision industrial sensing device designed for continuous monitoring of rotating machinery.
It plays a critical role in condition monitoring systems by providing accurate shaft displacement and vibration data in real time.
Its robust construction, stable performance, and compatibility with standardized monitoring platforms make it suitable for long-term deployment in demanding industrial environments.
The model is widely integrated into the 3300 XL proximity measurement architecture and remains a key component in predictive maintenance strategies across heavy industry applications.