製品紹介
The Bently Nevada 330901-51-82-10-02-00 3300 NSv Proximity Probe is a high-precision non-contact displacement sensor designed for measuring shaft vibration, axial position, and phase reference in compact rotating machinery. Belonging to the 3300 NSv (Narrow Signal Version) family, it is engineered specifically for small and space-constrained machines such as miniature turbines, compressors, gearboxes, pumps, and electric motors where standard 3300 XL probes cannot be installed due to physical limitations.
This probe operates on the eddy current principle, utilizing a high-frequency electromagnetic field to detect the position and vibration / a conductive target surface. When used in combination with a Bently Nevada 3300 NSv Proximitor Sensor and appropriate extension cable, the system provides precise, linear, and stable measurements consistent with API 670 machinery protection standards.
The 330901-51-82-10-02-00 model delivers superior measurement accuracy, enhanced environmental robustness, and high reliability under oil-contaminated or thermally dynamic conditions. It is an essential component for predictive maintenance, vibration diagnostics, and shaft position monitoring, ensuring operational safety and reduced downtime for critical rotating assets.
Technical Specifications
| Parameter | Specification |
|---|---|
| モデル Number | 330901-51-82-10-02-00 |
| Product Family | Bently Nevada 3300 NSv (Narrow Signal Version) |
| Product Type | Non-contact Eddy Current Proximity Probe |
| Operating Principle | Eddy current displacement measurement |
| Compatible Driver | 3300 NSv Proximitor Sensor (e.g., 330930 series) |
| Nominal Linear Range | 1.0 mm (40 mils) |
| Total Measurement Range | 0.25 mm to 1.25 mm |
| System Sensitivity | –200 mV/μm ±6% |
| Linear Deviation | ±1% typical / full scale |
| Frequency Response (–3 dB) | 0 to 10 kHz |
| Probe Tip Material | Polyphenylene Sulfide (PPS), non-conductive |
| Body Material | Stainless Steel (AISI 304) |
| Target Material (Calibration) | AISI 4140 Steel |
| Mounting Thread Size | M8 × 1.0 |
| Cable Type | Coaxial, shielded, molded with flexible armor |
| Total Length | 1.0 meter |
| Connector Type | Miniature coaxial connector, female |
| Operating Temperature Range | –35°C to +177°C |
| Storage Temperature Range | –50°C to +200°C |
| Maximum Vibration Endurance | 20 g (200 m/s²) peak |
| Insulation Resistance | >10 MΩ at 500 VDC |
| Environmental Protection | Hermetically sealed, oil and moisture resistant |
| Compliance Standards | API 670, CE, IEC 60068, ISO 10816 |
| 重量 | 0.15 kg |
| Cable Jacket Material | Fluoropolymer (Teflon) |
| Typical Output Noise | <10 mV rms |
| Calibration Tolerance | ±5% system level |
| Mounting Configuration | Threaded probe with lock nut |
| System Compatibility | 3300 NSv measurement chain (probe + proximitor + cable) |
Applications
The 330901-51-82-10-02-00 Proximity Probe is specifically engineered for precision measurement in environments where space and access are restricted. It is ideally suited for use in small, high-speed, and critical rotating machinery that demands continuous monitoring / vibration and shaft position.
Common application areas include:
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Compact Steam and Gas Turbines – Accurate rotor position and vibration feedback for protection systems.
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Centrifugal Compressors – Monitoring / rotor dynamic behavior and bearing condition.
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Pumps and Gearboxes – Detection / imbalance, looseness, and shaft misalignment.
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Electric Motors and Generators – Shaft displacement and vibration diagnostics.
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Industrial Fans and Blowers – Early warning for rotor instability or mechanical looseness.
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Aerospace and Marine Machinery – Designed for compact rotating drives and auxiliary propulsion systems.
These probes are frequently integrated into Bently Nevada 3500 and 3300 monitoring systems, forming part / an API 670-compliant vibration and position measurement chain.
Advantages
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Compact Design: Ideal for installation in tight machinery housings and compact mechanical assemblies.
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High Sensitivity and Accuracy: Maintains ±1% linearity over the full range.
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Wide Temperature Operating Range: Designed to withstand harsh thermal cycling environments.
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Oil and Moisture Resistant: Sealed design ensures stability in oil-lubricated and humid environments.
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Electromagnetic Shielding: Coaxial cable minimizes EMI interference for clean signal transmission.
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Durable Stainless Steel Housing: Provides superior corrosion resistance and mechanical integrity.
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Low Noise Output: Ensures stable readings for accurate trend and spectrum analysis.
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API 670 Compliant: Compatible with global vibration and machinery protection standards.
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Easy Installation and Maintenance: Factory-calibrated, plug-and-play system integration.
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Long-Term Reliability: Minimal drift ensures consistent performance and reduced calibration cycles.
FAQ
-
What operating principle does the 330901-51-82-10-02-00 use?
It uses the eddy current principle, detecting shaft displacement by measuring changes in magnetic field strength. -
Which Proximitor module is compatible with this probe?
It is designed for use with the Bently Nevada 3300 NSv Proximitor Sensor (330930 series) for accurate signal conditioning. -
Can this probe measure both dynamic and static shaft movement?
Yes, it measures dynamic vibration as well as static shaft position in one continuous signal output. -
How does the probe maintain measurement accuracy in high-temperature conditions?
The probe uses temperature-compensated calibration and thermally stable materials to reduce drift. -
Is this probe suitable for operation near oil film bearings?
Yes, its sealed design allows for reliable measurement in oil-lubricated bearing housings without contamination. -
What is the system sensitivity for this model?
The standard system sensitivity is –200 mV per micron when calibrated with AISI 4140 steel. -
Can this probe be installed in areas with strong electromagnetic interference?
Yes, its coaxial shielding provides strong imm台y to external electrical noise. -
How does this NSv version differ from the standard 3300 XL probe?
The NSv version is optimized for narrow installation spaces and has a shorter linear range but similar accuracy. -
What is the frequency response range for vibration measurements?
The probe system typically supports a 0–10 kHz frequency response, suitable for high-speed machinery. -
Can it be used in conjunction with Bently Nevada 3500 monitoring racks?
Yes, it is fully compatible with both 3300 and 3500 series systems, supporting standard signal interfaces.
Related モデルs (Same Series or Similar Configuration)
| モデル Number | 説明 | Cable Length | Sensitivity | Key Feature |
|---|---|---|---|---|
| 330901-00-12-05-02 | NSv Proximity Probe | 0.5 m | –200 mV/μm | Short-range model for compact devices |
| 330901-00-90-10-10-02-05 | NSv Proximity Probe | 1.0 m | –200 mV/μm | High-accuracy general-purpose type |
| 330901-05-15-05-02 | NSv Proximity Probe | 1.5 m | –200 mV/μm | Extended range version |
| 330930-065-01-05 | NSv Proximitor Sensor | – | – | Driver module for NSv probes |
| 330171-00-90-10-02 | Extension Cable | 9.0 m | – | Shielded signal extension cable |
| 330104-00-20-10-02 | XL Series Cable | 2.0 m | – | Standard probe interconnection cable |
Popular モデルs (Same ブランド – Bently Nevada)
| モデル Number | Product Type | Function | Typical Application |
|---|---|---|---|
| 3500/42M | Vibration Monitor Module | Dual-channel monitoring | Turbine and compressor vibration protection |
| 3500/22M | Communication Module | Rack data interface | 3500 system networking |
| 3500/92 | Display Interface | Real-time vibration display | Machinery condition monitoring |
| 330505-02-12-10-02 | Proximitor Sensor | Probe driver module | NSv and XL probe systems |
| 3300 XL 5 mm Probe | Proximity Probe | Shaft displacement sensor | Standard industrial machinery |
| 330130-040-00 | 3300 XL Cable | Interconnection cable | For standard XL series probes |
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