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- Bently Nevada
- 330901-00-12-05-11-05
- 3300 XL NSv Proximity Probe
- USA
- 8 mm diameter × ~65–95 mm length
- 0.36kg
- Xiamen, China
- New & In Stock
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Industrial Technical Specification Report
Model: 330901-00-12-05-11-05 Proximity Probe
1. Product Overview
The model 330901-00-12-05-11-05 is a precision proximity probe designed for continuous non-contact measurement of shaft vibration, radial displacement, and dynamic position in rotating machinery.
It operates using eddy current sensing technology, which allows accurate distance measurement between the probe tip and conductive metal surfaces without physical contact.
The probe is commonly installed in critical industrial rotating equipment where real-time monitoring is required to ensure operational stability and prevent mechanical failure.
This product belongs to the 3300 XL proximity measurement platform 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, a widely adopted industrial standard for rotating machinery monitoring.
Key characteristics of this series include:
- 8 mm standardized probe geometry
- Eddy current non-contact sensing technology
- Modular system design (probe + cable + driver unit)
- High stability in extreme industrial environments
- Long-term calibration reliability
- Strong electromagnetic interference resistance
- Designed for continuous 24/7 monitoring applications
This series is widely used in global industrial asset protection systems.
3. Technical Parameters
Product Specification Table
| Parameter | Specification |
|---|---|
| Model | 330901-00-12-05-11-05 |
| Measurement Principle | Eddy current displacement sensing |
| Application Type | Shaft vibration and radial displacement monitoring |
| Probe Diameter | 8 mm |
| System Compatibility | 3300 XL proximity monitoring system |
| Linear Measurement Range | Approx. 2 mm – 4 mm |
| Target Material | Conductive metallic rotating shafts |
| Output Signal | Analog voltage proportional to gap distance |
| Cable Configuration | Integrated probe cable |
| Cable Length Code | 12 configuration standard |
| Electrical Interface | Industrial connector system |
| Operating Temperature | -52°C to +177°C |
| Storage Temperature | -55°C to +200°C |
| Mounting Type | Threaded 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 system configuration |
| Weight | ~0.20 – 0.36 kg |
4. Working Principle
The probe generates a high-frequency electromagnetic field at the sensing tip.
When placed near a conductive rotating shaft, eddy currents are induced on the shaft surface.
The interaction between the electromagnetic field and the shaft changes according to the gap distance.
This variation is converted into an electrical signal proportional to displacement, which is then processed by monitoring systems for vibration and condition analysis.
5. Application Fields
The model is widely used in rotating machinery monitoring systems across multiple heavy industries.
It is applied for measuring shaft vibration, rotor eccentricity, axial position, and dynamic clearance in real time.
Typical application industries include:
- Gas turbine and steam turbine systems
- Hydropower generation equipment
- Oil and gas compressor stations
- Petrochemical refining facilities
- Industrial pumping systems
- Marine propulsion machinery
- Heavy manufacturing rotating equipment
It plays a key role in predictive maintenance systems where early fault detection is essential.
6. Product Advantages
This model provides several important engineering advantages:
It enables non-contact measurement, eliminating mechanical wear and improving long-term reliability.
It maintains stable performance under harsh industrial conditions such as high temperature, vibration, and contamination.
It offers excellent linear response, ensuring high accuracy in vibration diagnostics.
It provides strong resistance to electromagnetic interference, improving signal stability.
It supports modular integration into standardized monitoring systems, simplifying installation and maintenance.
It is designed for continuous operation in critical industrial environments with minimal downtime requirements.
7. Related Models (Same Series / Closely Related Variants)
Technical Comparison Table
| Model | Description | Key Characteristics | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 330901-00-08-05-11-05 | Compact configuration probe | Short cable, tight installation environments | 8 mm × ~55 mm | ~0.17 |
| 330901-00-10-05-11-05 | Standard industrial version | Balanced cable length, general use | 8 mm × ~60 mm | ~0.19 |
| 330901-00-15-05-11-05 | Extended reach probe | Long cable for remote installation | 8 mm × ~70 mm | ~0.28 |
| 330905-00-12-05-11-05 | High-temperature variant | Enhanced thermal resistance | 8 mm × ~65 mm | ~0.22 |
| 330908-00-12-05-11-05 | Reinforced heavy-duty probe | Improved vibration and EMI resistance | 8 mm × ~70 mm | ~0.25 |
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 | Converts probe signal into monitoring output | 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 measurement | Small sensor body | ~0.12 |
| TK-3E Calibration Kit | Calibration system | Field testing and verification | Portable kit | ~2.4 |
9. Summary
The 330901-00-12-05-11-05 proximity probe is a high-precision industrial sensor designed for continuous monitoring of rotating machinery.
It delivers reliable measurement of shaft vibration and displacement, which is essential for condition-based maintenance in critical industrial systems.
Its robust construction, stable electrical performance, and compatibility with standardized monitoring architectures make it suitable for long-term deployment in demanding environments.
The model is widely used in predictive maintenance systems across power generation, petrochemical, and heavy industrial sectors.