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- Bently Nevada
- 330851-01-000-030-10-00-00
- 3300 XL 25mm Proximity Probe
- USA
- 2 m / 5 m / 10 m
- 0.25kg
- Xiamen, China
- New & In Stock
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Technical Specification Report – 330851-01-000-030-10-00-00
1. Product Overview
The 330851-01-000-030-10-00-00 is a compact eddy current proximity probe assembly designed for precise, non-contact measurement of shaft vibration, axial displacement, and rotor position in rotating machinery.
It is typically applied in industrial condition monitoring systems where small shaft diameters and tight installation spaces require a compact, high-sensitivity measurement solution.
The system works by generating a high-frequency electromagnetic field at the probe tip. Changes in distance between the probe and conductive target surface are converted into proportional voltage signals for accurate displacement monitoring.
2. Brand Information
- Brand category: Industrial condition monitoring instrumentation manufacturer
- Product type: Eddy current proximity probe system
- Application field: Rotating machinery vibration and displacement monitoring
- Technology principle: Electromagnetic eddy current displacement sensing
3. Product Series
- Series family: 3300 XL NSv Proximity Transducer System
This series is designed specifically for small shaft applications where compact size and high resolution are required.
System composition:
- Proximity probe
- Extension cable
- Signal conditioning module
4. Product Application Areas
The 330851-01-000-030-10-00-00 is widely used in industrial environments such as:
- Small gas turbines
- High-speed compressors
- Industrial pumps
- Electric motors
- Gearbox monitoring systems
- Auxiliary rotating equipment
- Marine auxiliary systems
- Light industrial machinery
Functional monitoring includes:
- Shaft radial vibration measurement
- Axial displacement detection
- Rotor dynamic movement tracking
- Bearing condition monitoring
- Equipment health diagnostics
5. Technical Parameters
5.1 Electrical Characteristics
| Parameter | Specification |
|---|---|
| Operating voltage | 24 V DC |
| Output signal | Analog voltage signal |
| Measurement principle | Eddy current induction |
| Output impedance | Low impedance industrial standard |
| Frequency response | Up to 10 kHz |
| Signal stability | High long-term stability |
5.2 Measurement Performance
| Parameter | Specification |
|---|---|
| Measurement range | 0 – 2 mm (NSv compact range) |
| Resolution | ≤ 1 μm |
| Accuracy | ±0.25% – ±0.5% FS |
| Linearity | High linear response |
| Repeatability | Excellent consistency |
5.3 Environmental Conditions
| Parameter | Specification |
|---|---|
| Operating temperature | -40°C to +120°C |
| Storage temperature | -55°C to +125°C |
| Humidity | 5% – 95% non-condensing |
| Vibration resistance | Industrial-grade durability |
| EMI protection | Strong electromagnetic shielding |
5.4 Mechanical Specifications
| Parameter | Specification |
|---|---|
| Probe tip design | Compact NSv miniature type |
| Cable type | Shielded coaxial cable |
| Cable length options | 2 m / 5 m / 10 m |
| Total system weight | ~0.25 kg |
| Probe weight | ~0.06 kg |
| Installation type | Threaded mounting structure |
6. Working Principle
The system operates based on eddy current induction:
- The probe generates a high-frequency electromagnetic field
- Conductive target surfaces generate eddy currents when distance changes
- Coil impedance varies according to gap distance
- Signal conditioner converts variation into calibrated voltage output
This allows precise non-contact measurement of micro-level shaft motion in rotating machinery.
7. Product Advantages
7.1 Compact NSv Design
- Designed for small shaft applications
- Suitable for tight mechanical spaces
- High sensitivity in short-range measurement
7.2 High Stability Performance
- Stable output under vibration and temperature variation
- Low drift during long-term operation
- Suitable for continuous monitoring systems
7.3 Strong Environmental Adaptability
- Resistant to oil mist, dust, and industrial contamination
- High EMI shielding capability
- Reliable in harsh industrial environments
7.4 Easy Installation
- Compact structure simplifies installation
- Flexible mounting options
- Quick maintenance and replacement
7.5 High Precision Output
- Sub-micron resolution capability
- Excellent linear response
- Suitable for predictive maintenance systems
8. Industrial Value
- Prevents unexpected equipment failures
- Improves operational safety
- Reduces maintenance costs and downtime
- Enhances early fault detection capability
- Extends machinery service life
9. Related Models (Same Series / Closely Related)
9.1 3300 XL NSv Series Variants
| Parameter | 330851-01-000-030-10-00-00 | 330850-90-000-030-10-00-00 | 330852-01-000-030-10-00-00 | 330853-01-000-030-10-00-00 | 330854-01-000-030-10-00-00 |
|---|---|---|---|---|---|
| Measurement type | Eddy current displacement | Eddy current displacement | Eddy current displacement | Eddy current displacement | Eddy current displacement |
| Voltage | 24 V DC | 24 V DC | 24 V DC | 24 V DC | 24 V DC |
| Frequency response | Up to 10 kHz | Up to 10 kHz | Up to 10 kHz | Up to 10 kHz | Up to 10 kHz |
| Measurement range | 0–2 mm | 0–2 mm | 0–2 mm | 0–2 mm | 0–2 mm |
| Accuracy | ±0.25–0.5% FS | ±0.25–0.5% FS | ±0.25–0.5% FS | ±0.25–0.5% FS | ±0.25–0.5% FS |
| Dimensions | Compact NSv probe | Compact NSv probe | Compact NSv probe | Compact NSv probe | Compact NSv probe |
| Weight (kg) | 0.25 kg | 0.25 kg | 0.25 kg | 0.25 kg | 0.25 kg |
9.2 Five Related Models in Same Ecosystem
| Parameter | 330780-NS-10-00-00 | 330881-28-NS-10-02-02 | 330103-00-NS-10-10-02-00 | 330106-05-NS-10-10-02-00 | 330104-00-NS-10-10-02-00 |
|---|---|---|---|---|---|
| System type | Proximity probe | Signal module | Proximity probe | Proximity probe | Proximity probe |
| Technology | Eddy current | Eddy current | Eddy current | Eddy current | Eddy current |
| Voltage | 24 V DC | 24 V DC | 24 V DC | 24 V DC | 24 V DC |
| Frequency range | Up to 10 kHz | Up to 10 kHz | Up to 10 kHz | Up to 10 kHz | Up to 10 kHz |
| Measurement range | 2–5 mm | 2–5 mm | 2–5 mm | 2–5 mm | 2–5 mm |
| Accuracy | ±0.5% FS | ±0.5% FS | ±0.5% FS | ±0.5% FS | ±0.5% FS |
| Dimensions | 80×120×35 mm | 110×160×50 mm | 85×130×35 mm | 85×130×35 mm | 85×130×35 mm |
| Weight (kg) | 0.18 kg | 1.9 kg | 0.95 kg | 0.95 kg | 0.95 kg |
9.3 Five Popular Models (Same Product Family)
| Parameter | 330901-01-10-10-02-05 | 330905-01-10-10-02-00 | 330909-01-10-10-02-05 | 330910-01-10-10-02-00 | 330930-01-10-10-02-00 |
|---|---|---|---|---|---|
| Product type | Proximity probe | Signal conditioner | High sensitivity probe | Vibration probe | Industrial probe unit |
| Technology | Eddy current | Eddy current | Eddy current | Eddy current | Eddy current |
| Voltage | 24 V DC | 24 V DC | 24 V DC | 24 V DC | 24 V DC |
| Frequency response | Up to 10 kHz | Up to 10 kHz | Up to 10 kHz | Up to 10 kHz | Up to 10 kHz |
| Measurement range | 5 mm | 5 mm | 7 mm | 5 mm | 5 mm |
| Accuracy | ±0.5% FS | ±0.5% FS | ±0.25% FS | ±0.5% FS | ±0.5% FS |
| Dimensions | 90×140×40 mm | 120×180×60 mm | 100×160×50 mm | 90×140×40 mm | 90×140×40 mm |
| Weight (kg) | 1.8 kg | 2.5 kg | 2.1 kg | 1.7 kg | 1.5 kg |
10. Summary
The 330851-01-000-030-10-00-00 is a compact NSv eddy current proximity probe designed for small shaft vibration and displacement monitoring. It delivers high sensitivity, stable performance, and strong environmental resistance, making it suitable for continuous industrial machinery protection applications.