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- 330903-00-03-10-02-05
- 3300 XL NSv Proximity Probe
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Industrial Proximity Probe System – Model 330903-00-03-10-02-05
Brand
The model 330903-00-03-10-02-05 belongs to the industrial machinery monitoring product portfolio of Bently Nevada.
The brand is recognized for developing high-performance condition monitoring solutions for rotating equipment used in power generation, petrochemical processing, oil and gas production, mining, marine engineering, steel manufacturing, paper production, and other heavy industrial sectors. Its products are designed to provide continuous machinery health monitoring, enabling predictive maintenance, reducing unplanned downtime, and improving equipment reliability throughout the operating lifecycle.
Product Series
The 330903-00-03-10-02-05 belongs to the 3300 XL 8 mm Proximity Probe Series.
The 3300 XL Series is a family of non-contact displacement measurement products that use eddy current sensing technology to monitor shaft movement in rotating machinery. The series consists of probes, extension cables, and signal conditioning modules that operate together as a complete measurement system.
Typical characteristics of this series include:
- High measurement accuracy
- Excellent long-term stability
- Superior linearity
- Strong resistance to industrial interference
- Excellent environmental adaptability
- Reliable continuous operation
- Easy installation and maintenance
- Compatibility with industrial vibration monitoring systems
The series has become one of the most commonly selected proximity measurement solutions for critical rotating machinery protection.
Product Introduction
The 330903-00-03-10-02-05 is a precision non-contact eddy current proximity probe developed for continuous shaft vibration and displacement monitoring.
The probe continuously measures the distance between its sensing tip and a conductive metallic shaft without making physical contact. As the shaft rotates, any movement caused by imbalance, misalignment, looseness, thermal expansion, bearing wear, or rotor instability is converted into an electrical signal that can be processed by monitoring equipment.
Because there is no direct contact between the probe and the rotating component, mechanical wear is eliminated, resulting in excellent durability and measurement consistency over extended operating periods.
Its compact structure makes installation convenient even in confined machinery spaces, while its rugged construction allows reliable operation in demanding industrial environments.
Working Principle
The probe operates according to the eddy current measurement principle.
An alternating high-frequency electromagnetic field is generated at the probe tip.
When a conductive metallic surface approaches the sensing area, eddy currents are induced within the target material.
The interaction between the magnetic field and the induced eddy currents changes the probe impedance.
The signal conditioning electronics convert these impedance variations into an analog voltage output proportional to shaft displacement.
This enables continuous monitoring without physical contact while maintaining extremely high measurement precision.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330903-00-03-10-02-05 |
| Product Type | Non-contact Proximity Probe |
| Measurement Principle | Eddy Current Technology |
| Series | 3300 XL 8 mm Proximity Probe Series |
| Probe Diameter | 8 mm |
| Measurement Type | Shaft Vibration, Shaft Position, Radial Displacement, Axial Position |
| Output Signal | Analog Voltage |
| Measurement Range | Typical 2–4 mm Linear Range |
| Sensitivity | Approximately 7.87 V/mm (system dependent) |
| Frequency Response | High-frequency dynamic response suitable for rotating machinery |
| Probe Housing Material | Stainless Steel |
| Cable Type | Shielded Coaxial Cable |
| Connector Type | Industrial Standard Connector |
| Operating Temperature | -35°C to +177°C |
| Protection Characteristics | Oil Resistant, Dust Resistant, Moisture Resistant |
| Mounting Method | Threaded Fixed Installation |
| Electromagnetic Compatibility | High EMI/RFI Immunity |
| Dimensions | Approximately Ø8 mm × 50 mm |
| Weight | Approximately 0.12 kg |
Product Applications
The 330903-00-03-10-02-05 is designed for continuous condition monitoring of critical rotating machinery across a wide range of industrial sectors.
Typical applications include:
- Steam turbines
- Gas turbines
- Hydroelectric turbines
- Industrial compressors
- Centrifugal compressors
- Reciprocating compressors
- High-speed motors
- Industrial generators
- Boiler feed pumps
- Centrifugal pumps
- Process pumps
- Cooling water pumps
- Marine propulsion equipment
- Metallurgical rolling mills
- Mining machinery
- Paper production equipment
- Petrochemical processing units
- Natural gas compression stations
- Chemical production plants
- Large industrial fans and blowers
The probe is particularly suitable for machinery where uninterrupted operation and early fault detection are essential.
Product Advantages
The 330903-00-03-10-02-05 offers numerous advantages that make it suitable for demanding industrial applications.
- Non-contact measurement eliminates mechanical wear.
- High measurement accuracy supports reliable machine diagnostics.
- Excellent repeatability ensures stable long-term performance.
- Fast dynamic response enables detection of small shaft movements.
- Rugged stainless steel construction improves durability.
- Resistant to oil contamination, moisture, vibration, and industrial dust.
- High immunity to electromagnetic interference.
- Stable performance during continuous 24-hour operation.
- Compact mechanical dimensions simplify installation.
- Suitable for predictive maintenance programs.
- Reduces unexpected equipment shutdowns.
- Improves machinery availability and operational safety.
- Long service life minimizes replacement frequency.
- Compatible with a wide range of machinery monitoring systems.
Recommended Models from the Same Series
| Model | Product Type | Probe Diameter | Typical Dimensions | Weight (kg) |
|---|---|---|---|---|
| 330901-00-03-10-02-05 | Standard Proximity Probe | 8 mm | Ø8 × 50 mm | 0.11 |
| 330902-00-03-10-02-05 | High Stability Probe | 8 mm | Ø8 × 50 mm | 0.12 |
| 330904-00-03-10-02-05 | Extended Configuration Probe | 8 mm | Ø8 × 55 mm | 0.14 |
| 330905-00-03-10-02-05 | Heavy-Duty Proximity Probe | 8 mm | Ø8 × 65 mm | 0.15 |
| 330906-00-03-10-02-05 | 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 Monitor | Shaft Vibration Monitoring | 170 × 110 × 45 | 0.50 |
| 3500/40M | Proximitor Monitor | Shaft Displacement Monitoring | 160 × 100 × 40 | 0.45 |
| 3500/22M | Rack Interface Module | Communication Interface | 150 × 100 × 35 | 0.40 |
| 3500/92 | Communication Gateway | Industrial Network Communication | 180 × 120 × 50 | 0.60 |
| 3500/15 | Power Supply Module | System Power Distribution | 200 × 130 × 60 | 0.75 |
Summary
The 330903-00-03-10-02-05 is a high-performance proximity probe developed for precision shaft displacement and vibration measurement in industrial rotating machinery.
As a member of the 3300 XL 8 mm Proximity Probe Series, it combines non-contact eddy current sensing, high measurement accuracy, excellent environmental resistance, and long-term operational stability. Its robust construction and dependable performance make it suitable for demanding applications involving turbines, compressors, generators, pumps, motors, and other critical rotating assets.
With its compact dimensions, durable stainless steel housing, excellent electromagnetic compatibility, and reliable continuous monitoring capability, the 330903-00-03-10-02-05 provides an effective solution for predictive maintenance, machinery protection, equipment diagnostics, and operational reliability improvement across a broad range of industrial environments.