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The model 330901-00-12-05-02-RU is a proximity probe designed for continuous non-contact measurement of shaft vibration, radial displacement, and dynamic movement in rotating machinery systems.
It is based on eddy current sensing technology, which enables precise distance measurement between the probe tip and conductive metallic surfaces without physical contact.
This probe is typically deployed in critical industrial equipment where real-time condition monitoring is required to prevent mechanical failure and ensure operational safety.
The product is part of the 3300 XL proximity measurement architecture within the industrial machinery monitoring ecosystem of Bently Nevada.
The model belongs to the 3300 XL 8 mm Proximity Probe Series, a widely used industrial standard for rotating machinery protection.
Key characteristics of this series include:
The series is widely used in power generation, petrochemical, and heavy industrial applications.
| Parameter | Specification |
|---|---|
| Model | 330901-00-12-05-02-RU |
| 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 shaft surfaces |
| Output Signal | Analog voltage proportional to gap distance |
| Cable Configuration | Integrated probe cable |
| Cable Length Code | 12 configuration standard |
| Electrical Interface | Industrial-grade 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 interference |
| Dimensions | 8 mm diameter × ~65–95 mm length |
| Total Assembly Length | Depends on cable configuration |
| Weight | ~0.19 – 0.35 kg |
The probe generates a high-frequency electromagnetic field at its sensing tip.
When positioned near a conductive rotating shaft, eddy currents are induced on the shaft surface.
The strength of this interaction varies depending on the distance between the probe and the 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.
The model is widely used in industrial rotating machinery monitoring systems.
It is applied for measuring shaft vibration, axial position, rotor eccentricity, and dynamic clearance.
Typical application industries include:
It is especially important in predictive maintenance systems where early fault detection helps prevent costly downtime.
This model provides several key engineering advantages:
It enables non-contact measurement, eliminating mechanical wear and extending operational lifespan.
It maintains stable performance in harsh environments including high temperature, vibration, and contamination conditions.
It offers excellent linearity across its measurement range, ensuring accurate diagnostic data.
It provides strong electromagnetic interference resistance, improving signal reliability.
It is designed for modular integration, allowing flexible installation in standardized monitoring systems.
It supports long-term continuous operation with minimal maintenance requirements.
| Model | Description | Key Characteristics | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 330901-00-08-05-02-RU | Compact cable version | Short installation design for tight spaces | 8 mm × ~55 mm | ~0.17 |
| 330901-00-10-05-02-RU | Standard configuration | Balanced cable length, general industrial use | 8 mm × ~60 mm | ~0.19 |
| 330901-00-15-05-02-RU | Extended reach version | Long cable for remote mounting systems | 8 mm × ~70 mm | ~0.27 |
| 330905-00-12-05-02-RU | High-temperature variant | Enhanced thermal resistance design | 8 mm × ~65 mm | ~0.22 |
| 330908-00-12-05-02-RU | Heavy-duty reinforced probe | Improved vibration and shielding protection | 8 mm × ~70 mm | ~0.24 |
| 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 unit | 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 |
The 330901-00-12-05-02-RU proximity probe is a precision industrial sensing device designed for continuous monitoring of rotating machinery conditions.
It provides reliable measurement of shaft vibration and displacement, which is essential for condition-based maintenance strategies in critical industrial systems.
Its robust mechanical structure, stable electrical performance, and compatibility with standardized monitoring platforms make it suitable for long-term use in demanding industrial environments.
The model is widely applied in predictive maintenance systems across power generation, petrochemical, and heavy industrial sectors.