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- 330903-00-03-10-11-05
- 3300 XL NSv Proximity Probe
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Industrial Proximity Probe System – Model 330903-00-03-10-11-05
Brand
The model 330903-00-03-10-11-05 belongs to the industrial machinery monitoring product portfolio of Bently Nevada.
The brand specializes in developing advanced condition monitoring technologies for rotating machinery used in power generation, oil and gas production, petrochemical processing, mining, metallurgy, marine engineering, paper manufacturing, and other heavy industrial sectors. Its monitoring solutions are designed to improve equipment reliability, extend service life, support predictive maintenance strategies, and reduce unplanned production interruptions.
Product Series
The 330903-00-03-10-11-05 belongs to the 3300 XL 8 mm Proximity Probe Series.
This series is designed for precision non-contact shaft displacement measurement using eddy current sensing technology. The complete measurement system generally consists of a proximity probe, an extension cable, and a signal conditioning module that work together to provide accurate and continuous machinery condition data.
Main characteristics of the series include:
- High measurement precision
- Stable long-term performance
- Excellent linearity
- Rapid dynamic response
- Strong environmental adaptability
- High electromagnetic interference resistance
- Compact mechanical construction
- Reliable continuous industrial operation
- Easy installation and maintenance
The 3300 XL Series is widely applied to monitor critical rotating machinery where continuous equipment protection is required.
Product Introduction
The 330903-00-03-10-11-05 is a precision non-contact proximity probe developed for continuous measurement of shaft vibration, shaft position, radial displacement, and axial movement in industrial rotating equipment.
The sensing element operates without physical contact with the rotating shaft, allowing accurate measurement while eliminating mechanical wear. During machine operation, the probe continuously detects changes in shaft position caused by imbalance, thermal expansion, bearing degradation, rotor eccentricity, shaft bow, looseness, or misalignment.
The probe features a durable stainless steel housing and high-temperature shielded cable, allowing reliable operation under demanding industrial conditions. Its compact dimensions simplify installation in bearing housings and confined machinery spaces where installation space is limited.
Working Principle
The probe measures displacement using the eddy current principle.
A high-frequency electromagnetic field is generated by the sensing tip.
When a conductive metallic shaft enters the sensing area, eddy currents are induced on the shaft surface.
The induced currents change the electrical impedance of the probe.
These impedance variations are converted by the signal conditioning electronics into an analog voltage proportional to shaft displacement.
The completely non-contact measurement method provides outstanding repeatability, rapid response, and excellent long-term stability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330903-00-03-10-11-05 |
| Product Type | Industrial Non-contact Proximity Probe |
| Measurement Principle | Eddy Current Technology |
| Product Series | 3300 XL 8 mm Proximity Probe Series |
| Probe Diameter | 8 mm |
| Measurement Function | Shaft Vibration, Shaft Position, Radial Displacement, Axial Position |
| Output Signal | Analog Voltage |
| Typical Linear Range | Approximately 2–4 mm |
| Sensitivity | Approximately 7.87 V/mm (system dependent) |
| Frequency Response | Suitable for high-speed rotating equipment |
| Housing Material | Stainless Steel |
| Cable Type | Shielded High-Temperature Coaxial Cable |
| Connector Type | Industrial Standard Connector |
| Installation Method | Threaded Mounting |
| Operating Temperature | -35°C to +177°C |
| Environmental Protection | Resistant to Oil, Dust, Moisture and Industrial Vibration |
| Electromagnetic Compatibility | High EMI/RFI Immunity |
| Dimensions | Approximately Ø8 mm × 50 mm |
| Weight | Approximately 0.12 kg |
Product Applications
The 330903-00-03-10-11-05 is intended for continuous condition monitoring of critical rotating machinery operating in demanding industrial environments.
Typical applications include:
- Steam turbines
- Gas turbines
- Hydroelectric generators
- Industrial generators
- Centrifugal compressors
- Axial compressors
- Boiler feed pumps
- Process pumps
- Cooling water pumps
- High-speed electric motors
- Marine propulsion systems
- Metallurgical rolling mills
- Mining equipment
- Cement production machinery
- Paper manufacturing equipment
- Petrochemical production facilities
- Natural gas compressor stations
- Chemical processing plants
- Industrial blowers
- Large centrifugal fans
The probe is particularly suitable for machinery requiring continuous online monitoring and predictive maintenance.
Product Advantages
The 330903-00-03-10-11-05 offers several important operational advantages.
- High-precision non-contact displacement measurement.
- No mechanical wear during operation.
- Excellent long-term measurement stability.
- Fast response to dynamic shaft movement.
- High sensitivity to small vibration changes.
- Durable stainless steel construction.
- Excellent resistance to oil contamination, moisture, dust, and industrial vibration.
- Strong immunity to electromagnetic interference.
- Reliable operation during continuous industrial service.
- Compact design simplifies installation.
- Low maintenance requirements.
- Long operational service life.
- Supports predictive maintenance programs.
- Improves equipment availability.
- Helps reduce unexpected production downtime.
- Enhances machinery operational safety.
Recommended Models from the Same Series
| Model | Product Description | Probe Diameter | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 330901-00-03-10-11-05 | Standard Proximity Probe | 8 mm | Ø8 × 50 mm | 0.11 |
| 330902-00-03-10-11-05 | High Stability Probe | 8 mm | Ø8 × 50 mm | 0.12 |
| 330904-00-03-10-11-05 | Extended Configuration Probe | 8 mm | Ø8 × 55 mm | 0.14 |
| 330905-00-03-10-11-05 | Heavy-Duty Industrial Probe | 8 mm | Ø8 × 65 mm | 0.15 |
| 330906-00-03-10-11-05 | Compact Installation Probe | 8 mm | Ø8 × 45 mm | 0.10 |
Recommended Popular Models from the Same Brand
| Model | Product Type | Main Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 3500/42M | Vibration Monitoring Module | Shaft Vibration Monitoring | 170 × 110 × 45 | 0.50 |
| 3500/40M | Proximitor Monitoring Module | Shaft Displacement Monitoring | 160 × 100 × 40 | 0.45 |
| 3500/22M | Rack Interface Module | Communication Interface | 150 × 100 × 35 | 0.40 |
| 3500/92 | Communication Module | Industrial Network Communication | 180 × 120 × 50 | 0.60 |
| 3500/15 | Power Supply Module | System Power Distribution | 200 × 130 × 60 | 0.75 |
Summary
The 330903-00-03-10-11-05 is a high-performance non-contact proximity probe developed for continuous shaft displacement and vibration measurement in industrial rotating machinery.
As a member of the 3300 XL 8 mm Proximity Probe Series, it combines advanced eddy current sensing technology with excellent linearity, stable signal output, strong environmental resistance, and dependable long-term performance. These characteristics make it well suited for monitoring turbines, compressors, pumps, motors, generators, and other mission-critical rotating equipment.
Its compact structure, lightweight design, durable stainless steel housing, and high measurement accuracy enable reliable operation in harsh industrial environments. The probe supports predictive maintenance strategies, improves machinery protection, enhances equipment availability, and contributes to the safe and efficient operation of industrial production systems.