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- Bently Nevada
- 330901-00-12-05-02-05
- 3300 XL NSv Proximity Probe
- USA
- 8 mm diameter × ~65–95 mm length
- 0.34kg
- Xiamen, China
- New & In Stock
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Industrial Technical Specification Report
Model: 330901-00-12-05-02-05 Proximity Probe
1. Product Overview
The model 330901-00-12-05-02-05 is an industrial-grade proximity probe used for continuous monitoring of shaft vibration, radial displacement, and dynamic position in rotating machinery systems.
It is designed to operate using eddy current sensing technology, enabling accurate non-contact measurement between the probe tip and a conductive rotating surface.
The device is typically installed in bearing housings or machine casings where real-time monitoring of rotor behavior is required for equipment protection and predictive maintenance strategies.
This product belongs to the 3300 XL proximity probe architecture within the industrial condition monitoring ecosystem of Bently Nevada.
2. Product Series Description
The model is part of the 3300 XL 8 mm Proximity Probe Series, which is widely recognized as an industrial standard for rotating machinery monitoring.
Key characteristics of the series include:
- 8 mm standardized probe tip design
- Eddy current non-contact measurement technology
- Modular system structure (probe + extension cable + driver module)
- High stability in harsh industrial environments
- Long-term calibration consistency
- Strong electromagnetic interference resistance
- Designed for continuous 24/7 monitoring applications
This series is widely deployed in global heavy industry monitoring systems.
3. Technical Parameters
Detailed Specification Table
| Parameter | Specification |
|---|---|
| Model | 330901-00-12-05-02-05 |
| Measurement Principle | Eddy current displacement sensing |
| Application | Shaft vibration and radial position monitoring |
| Probe Diameter | 8 mm |
| System Type | 3300 XL proximity measurement system |
| Linear Measurement Range | Approx. 2 mm – 4 mm |
| Target Material | Conductive metallic shaft surfaces |
| Output Signal | Analog voltage proportional to gap distance |
| Cable Configuration | Integrated probe cable |
| Cable Length Code | 12 standard configuration |
| Electrical Interface | 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 coating |
| Calibration | Factory calibrated linear response |
| Frequency Response | Suitable for high-speed rotating machinery |
| EMI Resistance | High industrial electromagnetic immunity |
| Dimensions | 8 mm diameter × ~65–95 mm length |
| Total Assembly Length | Depends on cable configuration |
| Weight | ~0.19 – 0.34 kg |
4. Working Principle
The probe operates by generating a high-frequency electromagnetic field at the sensing tip.
When positioned near a conductive rotating shaft, eddy currents are induced on the shaft surface.
The magnitude of this interaction changes according to the distance between the probe and the shaft.
This variation is converted into an electrical signal proportional to displacement, which is then interpreted by a monitoring system to evaluate vibration behavior and mechanical condition.
5. Application Fields
The model is widely used in rotating machinery monitoring systems across multiple industries.
It is applied in measuring shaft vibration, rotor eccentricity, axial displacement, and dynamic clearance in real time.
Typical application environments include:
- Gas and steam turbine systems
- Hydroelectric power generation units
- Oil and gas compressor stations
- Petrochemical processing plants
- Industrial pump systems
- Marine propulsion machinery
- Heavy-duty manufacturing equipment
It is especially critical in predictive maintenance systems where early fault detection is required to prevent downtime.
6. Product Advantages
This model provides several key engineering advantages:
It enables non-contact measurement, eliminating mechanical wear and extending service life.
It maintains stable performance under extreme conditions such as high temperature, vibration, and oil contamination.
It delivers high linear accuracy across the full measurement range, ensuring precise diagnostic data.
It has strong resistance to electromagnetic interference, improving reliability in industrial environments.
It supports modular integration with standard monitoring systems, improving installation flexibility.
It is designed for continuous operation with minimal maintenance requirements, making it suitable for critical assets.
7. Related Models (Same Series / Closely Related Variants)
Technical Comparison Table
| Model | Description | Key Characteristics | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 330901-00-08-05-02-05 | Compact configuration probe | Short cable, tight installation environments | 8 mm × ~55 mm | ~0.17 |
| 330901-00-10-05-02-05 | Standard industrial probe | Balanced cable length, general use | 8 mm × ~60 mm | ~0.19 |
| 330901-00-15-05-02-05 | Extended cable version | Remote mounting capability | 8 mm × ~70 mm | ~0.27 |
| 330905-00-12-05-02-05 | High-temperature variant | Enhanced thermal resistance design | 8 mm × ~65 mm | ~0.22 |
| 330908-00-12-05-02-05 | Reinforced heavy-duty probe | Improved vibration and shielding resistance | 8 mm × ~70 mm | ~0.24 |
8. Popular Models from Same Ecosystem
Widely Used Industrial Products Table
| Model | Product Type | Function | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 3300 XL 8mm Proximity System | Probe system | Shaft vibration monitoring platform | 8 mm probe | ~0.20 |
| 330780-90-00 Signal Conditioner | Proximitor driver | Signal conversion and processing | Compact module | ~0.45 |
| 3500/42M Vibration Monitor Module | Monitoring module | Multi-channel vibration analysis | Rack unit | ~1.6 |
| 190501 Accelerometer Sensor | Vibration sensor | Structural vibration detection | Small sensor body | ~0.12 |
| TK-3E Calibration Kit | Calibration system | Field calibration and verification | Portable kit | ~2.4 |
9. Summary
The 330901-00-12-05-02-05 proximity probe is a high-precision industrial sensor designed for continuous monitoring of rotating machinery conditions.
It plays a critical role in detecting vibration, displacement, and rotor instability, which are essential parameters in machinery health assessment.
Its robust mechanical construction, stable electrical performance, and compatibility with standardized monitoring systems make it suitable for long-term deployment in demanding industrial environments.
The model is widely used in predictive maintenance systems across power generation, oil and gas, and heavy industrial sectors.