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- Bently Nevada
- 330851-02-000-034-50-00-00
- 3300 XL 25mm Proximity Probe
- USA
- 2 m / 5 m / 10 m
- 0.25kg
- Xiamen, China
- New & In Stock
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- 1-3 Working Days
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Technical Specification Report – 330851-02-000-034-50-00-00
1. Product Overview
The 330851-02-000-034-50-00-00 is a compact eddy current proximity probe designed for high-precision, non-contact measurement of shaft vibration, axial displacement, and rotor dynamics in rotating machinery systems.
This model belongs to the NSv short-range configuration within the 3300 XL proximity transducer family. The “034” configuration indicates a specific calibrated sensitivity range variant used in slightly extended short-gap measurement conditions compared to lower-range NSv variants.
It is widely used in industrial monitoring systems where stable signal output, compact installation, and reliable long-term performance are required.
The system operates using an eddy current principle, where a high-frequency electromagnetic field is generated at the probe tip, and variations in distance to a conductive target surface are converted into proportional voltage signals.
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 sensing
3. Product Series
- Series family: 3300 XL NSv Proximity Transducer System
This series is designed for compact machinery environments requiring high accuracy, stable output, and resistance to harsh industrial conditions.
System composition:
- Proximity probe
- Extension cable
- Signal conditioning module
4. Product Application Areas
The 330851-02-000-034-50-00-00 is widely applied in:
- Gas turbines (small to medium units)
- High-speed compressors
- Industrial pumps
- Electric motors
- Gearbox systems
- Auxiliary rotating machinery
- Marine propulsion systems
- Process industry equipment
Functional monitoring includes:
- Shaft radial vibration measurement
- Axial displacement monitoring
- Rotor dynamic tracking
- Bearing condition evaluation
- Machinery 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 design |
| Frequency response | Up to 10 kHz |
| Signal stability | High long-term stability |
5.2 Measurement Performance
| Parameter | Specification |
|---|---|
| Measurement range | 0 – 2 mm (NSv short-range calibrated variant) |
| 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 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 surface induces eddy currents when distance changes
- Coil impedance varies proportionally with gap variation
- Signal conditioner converts this variation into calibrated voltage output
This enables accurate non-contact measurement of micro-level shaft motion in rotating machinery systems.
7. Product Advantages
7.1 Extended Short-Range Calibration
- Suitable for slightly wider NSv measurement tuning (“034” configuration)
- Stable response across dynamic operating conditions
- Optimized sensitivity curve for industrial use
7.2 High Stability Performance
- Low signal drift over long operating cycles
- Reliable operation under vibration and temperature variation
- Suitable for continuous monitoring systems
7.3 Strong Environmental Resistance
- Resistant to oil mist, dust, and contamination
- Strong EMI shielding capability
- Stable operation in harsh industrial environments
7.4 Easy Installation
- Compact probe structure
- Flexible mounting configuration
- Simple 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 machinery failures
- Improves operational safety
- Reduces maintenance cost and downtime
- Enhances early fault detection capability
- Extends equipment service life
9. Related Models (Same Series / Closely Related)
9.1 NSv Short-Range 034 Configuration Family
| Parameter | 330851-02-000-034-50-00-00 | 330850-90-000-034-50-00-00 | 330852-02-000-034-50-00-00 | 330853-02-000-034-50-00-00 | 330854-02-000-034-50-00-00 |
|---|---|---|---|---|---|
| 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 probe | Compact probe | Compact probe | Compact probe | Compact 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-34-50-00 | 330881-28-NS-34-50-00 | 330103-00-NS-34-50-00-00 | 330106-05-NS-34-50-00-00 | 330104-00-NS-34-50-00-00 |
|---|---|---|---|---|---|
| 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 | 330901-02-34-50-00 | 330905-02-34-50-00 | 330909-02-34-50-00 | 330910-02-34-50-00 | 330930-02-34-50-00 |
|---|---|---|---|---|---|
| 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 330851-02-000-034-50-00-00 is a NSv short-range eddy current proximity probe optimized for stable and precise displacement measurement in compact rotating machinery systems. It provides reliable performance, high sensitivity, and strong environmental resistance, making it suitable for continuous industrial monitoring and predictive maintenance applications.