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- Bently Nevada
- 330903-00-02-10-12-CN
- 3300 XL NSv Proximity Probe
- USA
- 8 mm × 50 mm
- 0.12kg
- Xiamen, China
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Industrial Proximity Probe System – Model 330903-00-02-10-12-CN
1. Brand Positioning
This product belongs to a precision industrial vibration and shaft displacement monitoring category used in rotating machinery protection systems.
It is associated with Bently Nevada, a globally established provider of rotor dynamics monitoring, predictive maintenance, and machinery protection technologies.
2. Product Series
The model 330903-00-02-10-12-CN is part of the 3300 XL 8mm Proximity Probe Series.
This series is designed for:
- Non-contact eddy current displacement measurement
- Continuous shaft vibration and position monitoring
- Harsh industrial environments
- Integration into protection and monitoring systems
Typical system architecture:
- Proximity probe
- Extension cable
- Proximitor signal conditioner
3. Product Overview
This probe is a high-precision eddy current displacement sensor used to measure the gap between the probe tip and a conductive rotating shaft.
It converts mechanical vibration and movement into a stable electrical voltage signal, enabling real-time monitoring of shaft position, vibration amplitude, and mechanical condition.
The “00-02-10-12-CN” configuration indicates a specific calibration, connector configuration, and regional or customized production variant designed for targeted industrial applications.
4. Working Principle
The system operates using eddy current induction technology:
- High-frequency electromagnetic field is generated at the probe tip
- Conductive target (shaft) induces eddy currents
- Impedance variations are detected
- Output voltage corresponds to displacement
Key advantages of this principle:
- No physical contact with rotating shaft
- No mechanical wear or friction
- Stable long-term performance
- High sensitivity to micro-level vibration
5. Technical Specifications
Key Parameters Table
| Parameter | Specification |
|---|---|
| Model | 330903-00-02-10-12-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.) |
| Weight | 0.12 kg (approx.) |
6. Product Introduction
This model is designed for continuous monitoring of rotating machinery operating under demanding industrial environments.
It is typically 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 engineered for long-term stability, accurate signal output, and strong resistance to harsh operating conditions.
7. Application Areas
This probe system is widely used in:
- Steam turbine monitoring systems
- Gas turbine generator units
- Centrifugal compressors
- Industrial pump systems
- Marine propulsion systems
- Paper production machinery
- Metallurgical rolling mills
- Heavy rotating equipment systems
It is essential in predictive maintenance and machinery protection applications.
8. Product Advantages
- High-precision non-contact measurement
- No mechanical wear or friction
- Stable operation under high temperature
- 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 platforms
9. Same Series or Related Models
3300 XL Probe Variants
| Model | Description | Measurement Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 330901-00-02-10-12-CN | Standard calibration probe | Eddy current displacement | 8 × 50 | 0.11 |
| 330902-00-02-10-12-CN | Medium sensitivity probe | Eddy current displacement | 8 × 50 | 0.12 |
| 330904-00-02-10-12-CN | High-temperature reinforced probe | Eddy current displacement | 8 × 55 | 0.14 |
| 330905-00-02-10-12-CN | Heavy-duty industrial probe | Eddy current displacement | 8 × 65 | 0.15 |
| 330906-00-02-10-12-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 conditioning 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 330903-00-02-10-12-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 conditions.
Its reliability, durability, and compatibility make it suitable for long-term deployment in critical machinery protection and predictive maintenance environments.