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Product Introduction
The Bently Nevada 330905-00-13-10-02-05 3300 NSv Proximity Probe is a high-precision, non-contact sensor designed for monitoring vibration and shaft displacement in critical rotating machinery. Part of the 3300 NSv (Narrow Side View) series, this probe provides accurate measurements in constrained spaces while maintaining reliable long-term performance. Utilizing advanced eddy-current technology, it delivers real-time detection of shaft vibration and displacement, enabling early fault detection, predictive maintenance, and increased operational reliability. Its rugged stainless-steel construction with hermetic sealing ensures stability and durability in extreme industrial environments, including turbines, compressors, pumps, and large electric motors.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 330905-00-13-10-02-05 |
| Series | 3300 NSv Proximity Probe |
| Total Length | 1 meter |
| Weight | 0.15 kg |
| Sensing Principle | Eddy current, non-contact displacement measurement |
| Tip Diameter | 5 mm (nominal) |
| Linear Range | 0.25 mm to 2.0 mm (material dependent) |
| Sensitivity | 7.87 V/mm ±5% |
| Frequency Response | 0 to 10 kHz (typical) |
| Operating Temperature | –35 °C to +177 °C |
| Probe Material | Hermetically sealed stainless steel |
| Insulation Resistance | >10 MΩ at 500 VDC |
| Power Requirement | Requires compatible Bently Nevada proximitor |
| Connector Type | Standard Bently Nevada miniature coaxial |
| Mounting Thread | M10 × 1.0 or 3/8-24 UNF (varies by configuration) |
| Compliance | CE, RoHS, and ATEX certified for hazardous areas |
Applications
The 330905-00-13-10-02-05 probe is used in a variety of industrial settings where precise monitoring of critical rotating machinery is required:
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Gas and Steam Turbines – Monitors shaft vibration and axial displacement to prevent imbalance and misalignment.
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Compressors and Pumps – Detects early-stage bearing wear, cavitation, and mechanical looseness.
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Motors and Generators – Provides accurate rotor dynamics tracking for predictive maintenance programs.
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Gearboxes and Industrial Fans – Monitors gear mesh irregularities and shaft vibration for reliable operation.
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OEM Machinery – Compact design allows integration into custom industrial equipment with restricted space.
Advantages
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High Measurement Accuracy – Advanced eddy-current technology provides precise and stable readings.
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Compact NSv Design – Narrow Side View configuration allows installation in tight or confined spaces.
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Rugged Construction – Stainless steel housing with hermetic sealing protects against dust, moisture, and corrosive environments.
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Seamless Integration – Fully compatible with Bently Nevada 3300 series monitoring systems for straightforward installation and calibration.
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Wide Operating Temperature – Maintains reliable performance from –35 °C to +177 °C.
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Low Maintenance – Non-contact design eliminates mechanical wear and reduces downtime.
FAQ
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Which target material ensures optimal calibration accuracy?
The probe is factory-calibrated for AISI 4140 steel; other ferromagnetic materials may require system recalibration. -
What is the maximum cable extension supported?
Extensions up to 9 meters are supported when used with a compatible Bently Nevada proximitor. -
Can this probe be used in hazardous environments?
Yes, it meets ATEX and CE Zone 1 requirements when installed with certified accessories. -
How is measurement accuracy affected by temperature changes?
Integrated temperature compensation minimizes drift across the operating temperature range. -
What is the typical output sensitivity when connected to a proximitor?
Standard output is 200 mV per mil (7.87 V/mm) with ±5% tolerance. -
Does this probe provide both dynamic vibration and static shaft position measurements?
Yes, it delivers simultaneous vibration and displacement signals. -
What is the recommended minimum bend radius during installation?
A minimum bend radius of 25 mm is recommended to maintain cable integrity. -
Is periodic recalibration required under normal operation?
Recalibration is generally only necessary after major system reconfiguration or component replacement. -
Is the probe shielded against electromagnetic interference (EMI)?
Yes, the coaxial cable and internal shielding ensure excellent EMI resistance. -
Is it compatible with older Bently Nevada monitoring systems?
Yes, when used with the appropriate proximitor and following proper calibration procedures.
Related Models in the Same Series
| Model | Description |
|---|---|
| 330904-08-15-10-02-05 | NSv probe, 1 m cable length |
| 330904-00-10-10-01-05 | Standard NSv probe with 1 m cable |
| 330905-00-05-50-02-00 | Long cable NSv probe, 5 m integral cable |
| 330904-05-14-05-02-00 | NSv probe, 0.5 m cable length |
| 330909-00-05-05-02-00 | High-temperature NSv probe |
| 330930-040-01-00 | Extended linear range NSv probe for larger shafts |
Popular Bently Nevada Models
| Model | Application |
|---|---|
| 3500/22M | Rack Interface Module for advanced machine monitoring |
| 330105-02-12-10-02-00 | Standard proximity probe for general industrial use |
| 330400 | High-performance accelerometer for vibration detection |
| 330500 | Velocity transducer for rotating equipment |
| 330780-91-05 | Proximitor sensor for precision displacement monitoring |
| 3500/42M | Advanced vibration monitor with diagnostics |
