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- Bently Nevada
- 330903-00-02-05-02-CN
- 3300 XL NSv Proximity Probe
- USA
- 8 mm × 50 mm
- 0.12kg
- Xiamen, China
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Industrial Proximity Probe System – Model 330903-00-02-05-02-CN
1. Brand Identification
This product belongs to a high-precision industrial vibration and shaft displacement monitoring category widely used in rotating machinery protection systems.
It is commonly associated with Bently Nevada, a leading provider of predictive maintenance and rotor dynamics monitoring solutions.
2. Product Series
The model 330903-00-02-05-02-CN is part of the 3300 XL 8mm Proximity Probe Series.
This series is designed for:
- Non-contact eddy current displacement measurement
- Continuous vibration and shaft position monitoring
- High-reliability industrial environments
- Integration into machinery protection systems
Typical system structure:
- Proximity probe
- Extension cable
- Signal conditioning driver (Proximitor type)
3. Product Overview
This probe is a precision eddy current displacement sensor used to measure the gap between the probe tip and a conductive rotating shaft.
It converts mechanical motion into an electrical voltage signal proportional to displacement, enabling real-time monitoring of vibration, axial movement, and radial shaft behavior.
The “00-02-05-02-CN” configuration indicates a specific calibration, connector, and regional or customized production variant tailored for certain industrial applications.
4. Operating Principle
The system works based on eddy current induction:
- High-frequency electromagnetic field is generated at the probe tip
- Conductive target (shaft) induces eddy currents
- Impedance change is detected by the system
- Output voltage corresponds to displacement variation
Key advantages:
- No physical contact with rotating equipment
- No mechanical wear or friction
- Stable long-term signal output
- High sensitivity to micro-displacement changes
5. Technical Specifications
Key Parameters Table
| Parameter | Specification |
|---|---|
| Model | 330903-00-02-05-02-CN |
| Measurement Type | Eddy current non-contact displacement sensor |
| System Type | Probe + extension cable + driver |
| Measurement Range | 2 mm – 4 mm linear range (typical) |
| Sensitivity | ~7.87 V/mm (system dependent) |
| Output Signal | Analog voltage proportional output |
| Operating Temperature | -35°C to +177°C |
| Frequency Response | kHz-level dynamic response |
| Probe Material | Stainless steel sensing tip |
| Cable Type | High-temperature coaxial armored cable |
| Shielding | EMI/RFI protection |
| Installation Type | Fixed proximity mounting |
| Dimensions (Probe) | 8 mm × 50 mm (approx.) |
| Cable Length | Industrial configurable |
| Weight | 0.12 kg (approx.) |
6. Product Introduction
This model is designed for continuous monitoring of rotating machinery in demanding industrial environments.
It is installed near shafts inside bearing housings or machine casings, where it continuously measures displacement caused by vibration, imbalance, misalignment, or bearing wear.
The system is built for long operational life, stable output performance, and reliable operation in harsh conditions.
7. Application Areas
This probe system is widely used in:
- Steam turbine monitoring systems
- Gas turbine generator sets
- Centrifugal compressors
- Industrial pump systems
- Marine propulsion shafts
- Paper production machinery
- Metallurgical rolling mills
- Heavy rotating equipment
It is essential for predictive maintenance and early fault detection.
8. Product Advantages
- High-precision non-contact measurement
- No mechanical wear or friction
- Stable performance in high-temperature environments
- Strong resistance to oil, dust, and humidity
- Long service life under continuous operation
- Excellent electromagnetic interference immunity
- Suitable for 24/7 monitoring systems
- Fully compatible with industrial protection architectures
9. Same Series or Related Models
3300 XL Probe Variants
| Model | Description | Measurement Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 330901-00-02-05-02-CN | Standard calibration probe | Eddy current displacement | 8 × 50 | 0.11 |
| 330902-00-02-05-02-CN | Medium sensitivity probe | Eddy current displacement | 8 × 50 | 0.12 |
| 330904-00-02-05-02-CN | High-temperature reinforced probe | Eddy current displacement | 8 × 55 | 0.14 |
| 330905-00-02-05-02-CN | Heavy-duty industrial probe | Eddy current displacement | 8 × 65 | 0.15 |
| 330906-00-02-05-02-CN | Compact installation probe | Eddy current displacement | 6 × 45 | 0.10 |
10. Popular Models from Same Brand
Widely Used Monitoring Modules
| Model | Function | Application | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 3500/42M | Dual channel vibration monitor | Shaft vibration protection | 170 × 110 × 45 | 0.50 |
| 3500/40M | Signal processing module | Displacement monitoring | 160 × 100 × 40 | 0.45 |
| 3500/22M | Rack interface module | System integration unit | 150 × 100 × 35 | 0.40 |
| 3500/92 | Communication gateway module | Data transmission system | 180 × 120 × 50 | 0.60 |
| 3500/15 | Power supply module | Industrial power management | 200 × 130 × 60 | 0.75 |
11. Summary
The model 330903-00-02-05-02-CN is a precision eddy current proximity probe designed for continuous shaft displacement monitoring in rotating machinery systems.
It delivers stable, accurate, and non-contact measurement performance under harsh industrial environments.
Its reliability, durability, and compatibility make it suitable for long-term deployment in critical industrial monitoring and protection systems where operational safety is essential.