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- Bently Nevada
- 330901-00-12-70-02-00
- 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: 330901-00-12-70-02-00 Proximity Probe
1. Product Overview
The model 330901-00-12-70-02-00 is a precision industrial proximity probe used for non-contact measurement of shaft vibration, radial displacement, and rotor dynamic movement in rotating machinery systems.
It operates based on eddy current sensing technology, enabling accurate detection of distance variations between the probe tip and conductive metallic target surfaces without physical contact.
This probe is typically installed in high-speed rotating equipment such as turbines, compressors, pumps, and other critical industrial machinery where continuous condition monitoring is required for operational safety and predictive maintenance.
The product belongs to the 3300 XL proximity measurement architecture within the industrial machinery protection 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 a global industrial standard for rotating machinery monitoring.
Key characteristics of the series include:
- 8 mm standardized probe geometry
- Eddy current non-contact measurement technology
- Modular architecture (probe + cable + driver unit)
- High stability under extreme industrial environments
- Long-term calibration consistency
- Strong electromagnetic interference resistance
- Designed for continuous 24/7 monitoring systems
This series is widely applied in critical asset protection systems across heavy industry sectors.
3. Technical Parameters
Product Specification Table
| Parameter | Specification |
|---|---|
| Model | 330901-00-12-70-02-00 |
| 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 + insulation coating |
| Calibration | Factory calibrated linear response |
| Frequency Response | Suitable for high-speed rotating machinery |
| EMI Resistance | High immunity to industrial electromagnetic interference |
| Dimensions | 8 mm diameter × ~65–95 mm length |
| Total Assembly Length | Depends on installation 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 strength varies according to the distance between probe and shaft.
This variation is converted into an electrical signal proportional to displacement, which is then interpreted by monitoring systems for vibration analysis and machinery condition evaluation.
5. Application Fields
The model is widely used in rotating machinery condition 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 power plants
- Hydroelectric generation systems
- Oil and gas compressor stations
- Petrochemical refining facilities
- Industrial pumping systems
- Marine propulsion systems
- Heavy manufacturing rotating machinery
It is particularly important in predictive maintenance environments where early fault detection helps prevent costly downtime and equipment failure.
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 harsh environmental conditions such as high temperature, vibration, and contamination.
It delivers high linear accuracy across its measurement range, ensuring reliable diagnostic results.
It provides strong resistance to electromagnetic interference, improving signal stability in industrial environments.
It supports modular system integration, allowing flexible installation and maintenance.
It is designed for continuous operation in mission-critical applications with minimal maintenance requirements.
7. Related Models (Same Series / Closely Related Variants)
Technical Comparison Table
| Model | Description | Key Characteristics | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 330901-00-08-70-02-00 | Compact configuration probe | Short cable design, tight installation spaces | 8 mm × ~55 mm | ~0.17 |
| 330901-00-10-70-02-00 | Standard configuration probe | Balanced cable length, general industrial use | 8 mm × ~60 mm | ~0.19 |
| 330901-00-15-70-02-00 | Extended reach probe | Long cable for remote mounting systems | 8 mm × ~70 mm | ~0.27 |
| 330905-00-12-70-02-00 | High-temperature variant | Enhanced thermal resistance for extreme environments | 8 mm × ~65 mm | ~0.22 |
| 330908-00-12-70-02-00 | Heavy-duty reinforced probe | Improved vibration resistance and EMI shielding | 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 Proximitor Sensor | Signal conditioning module | Converts probe signal into monitoring output | Compact module | ~0.45 |
| 3500/42M Vibration Monitor Module | Monitoring module | Multi-channel vibration analysis system | Rack unit | ~1.6 |
| 190501 Accelerometer Sensor | Vibration sensor | Structural vibration measurement device | Small sensor body | ~0.12 |
| TK-3E Calibration Kit | Calibration system | Field testing and verification equipment | Portable kit | ~2.4 |
9. Summary
The 330901-00-12-70-02-00 proximity probe is a precision industrial sensor designed for continuous monitoring of rotating machinery conditions.
It provides accurate measurement of shaft vibration and displacement, supporting condition-based maintenance strategies in critical industrial systems.
Its robust construction, stable signal performance, and compatibility with standardized monitoring architectures make it suitable for long-term deployment in demanding environments.
The model is widely used in power generation, petrochemical, and heavy industrial sectors where equipment reliability and early fault detection are essential.