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Industrial Proximity Probe System – Model 330903-00-03-10-02-CN
Brand
The model 330903-00-03-10-02-CN belongs to the industrial machinery monitoring product portfolio of Bently Nevada.
This brand is widely recognized for developing precision monitoring technologies for rotating equipment used in power generation, petrochemical production, natural gas processing, marine engineering, metallurgy, mining, paper manufacturing, and other industrial sectors. Its products are designed to support continuous equipment condition monitoring, improve machinery reliability, reduce maintenance costs, and minimize unexpected shutdowns in critical production environments.
Product Series
The 330903-00-03-10-02-CN is a member of the 3300 XL 8 mm Proximity Probe Series.
The 3300 XL Series is designed for high-accuracy non-contact shaft displacement measurement using eddy current sensing technology. The complete measurement system normally consists of a proximity probe, an extension cable, and a signal conditioning module working together to provide stable and reliable monitoring data.
Key features of this series include:
- High measurement precision
- Excellent linearity
- Stable long-term operation
- Superior environmental adaptability
- High resistance to electromagnetic interference
- Reliable continuous monitoring capability
- Compact structural design
- Convenient installation and maintenance
- Excellent compatibility with industrial machinery monitoring systems
The CN suffix generally indicates a configuration intended for a specific regional market or customized project requirement while maintaining compatibility with the standard 3300 XL platform.
Product Introduction
The 330903-00-03-10-02-CN is a precision non-contact proximity probe developed for monitoring shaft vibration, shaft position, radial displacement, and axial movement in rotating machinery.
Using advanced eddy current sensing technology, the probe continuously measures the distance between its sensing surface and a conductive metallic target. The resulting signal accurately reflects shaft movement during machine operation.
Because the sensing process is completely non-contact, there is no mechanical friction between the probe and the rotating shaft. This design significantly reduces wear while improving measurement stability and extending service life.
Its rugged construction enables reliable operation in environments exposed to vibration, oil contamination, humidity, temperature fluctuations, and industrial dust.
The compact mechanical structure also allows installation inside bearing housings and other confined equipment spaces without affecting normal machine operation.
Working Principle
The probe measures displacement using electromagnetic induction.
A high-frequency oscillating electromagnetic field is generated at the sensing tip.
As the conductive shaft enters the sensing field, eddy currents are induced on the shaft surface.
These eddy currents alter the electrical impedance of the sensing circuit.
The signal conditioning electronics convert the impedance variation into a proportional analog voltage signal that accurately represents shaft displacement.
This measurement principle provides excellent repeatability and rapid dynamic response while eliminating mechanical contact.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330903-00-03-10-02-CN |
| Product Type | Industrial Non-contact Proximity Probe |
| Measurement Principle | Eddy Current Technology |
| 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 Measurement Range | Approximately 2–4 mm |
| Sensitivity | Approximately 7.87 V/mm (system dependent) |
| Frequency Response | Suitable for high-speed rotating machinery monitoring |
| Probe Housing Material | Stainless Steel |
| Cable Type | Shielded High-Temperature Coaxial Cable |
| Connector Style | Industrial Standard Connector |
| Mounting Method | Threaded Installation |
| 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 330903-00-03-10-02-CN is suitable for continuous machinery condition monitoring in a wide variety of industrial applications.
Typical applications include:
- Steam turbines
- Gas turbines
- Hydroelectric generating units
- Industrial generators
- Centrifugal compressors
- Axial compressors
- High-speed electric motors
- Boiler feed pumps
- Process pumps
- Centrifugal pumps
- Cooling water pumps
- Marine propulsion systems
- Metallurgical rolling equipment
- Mining machinery
- Cement production equipment
- Paper manufacturing machinery
- Petrochemical production facilities
- Natural gas compressor stations
- Chemical processing plants
- Large industrial blowers and fans
Its high reliability makes it particularly suitable for machinery that requires continuous operation with minimal downtime.
Product Advantages
The 330903-00-03-10-02-CN provides numerous performance advantages for industrial users.
- High-precision non-contact displacement measurement.
- No friction between the probe and rotating shaft.
- Excellent long-term measurement stability.
- High sensitivity to small shaft movement.
- Fast response to dynamic vibration changes.
- Durable stainless steel construction.
- Resistant to oil contamination, moisture, vibration, and dust.
- Excellent resistance to electromagnetic interference.
- Reliable operation during continuous 24-hour industrial service.
- Compact size simplifies installation in restricted spaces.
- Low maintenance requirements.
- Long operational service life.
- Supports predictive maintenance programs.
- Improves equipment availability and operational safety.
- Reduces maintenance costs and unexpected shutdowns.
Recommended Models from the Same Series
| Model | Product Description | Probe Diameter | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 330901-00-03-10-02-CN | Standard Proximity Probe | 8 mm | Ø8 × 50 mm | 0.11 |
| 330902-00-03-10-02-CN | High Stability Probe | 8 mm | Ø8 × 50 mm | 0.12 |
| 330904-00-03-10-02-CN | Extended Configuration Probe | 8 mm | Ø8 × 55 mm | 0.14 |
| 330905-00-03-10-02-CN | Heavy-Duty Industrial Probe | 8 mm | Ø8 × 65 mm | 0.15 |
| 330906-00-03-10-02-CN | 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 Measurement | 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 330903-00-03-10-02-CN is a precision non-contact proximity probe engineered for continuous shaft displacement, shaft position, and vibration monitoring in industrial rotating machinery.
As part of the 3300 XL 8 mm Proximity Probe Series, it combines eddy current sensing technology, excellent linearity, high measurement accuracy, robust environmental resistance, and dependable long-term stability. These characteristics make it well suited for critical applications involving turbines, compressors, generators, motors, pumps, and other rotating equipment operating in demanding industrial environments.
With its compact dimensions, lightweight construction, durable stainless steel housing, and stable signal output, the 330903-00-03-10-02-CN is an effective solution for predictive maintenance, machinery diagnostics, equipment protection, and long-term operational reliability.