Excellent PLC
Product Introduction
The Bently Nevada 330908-00-08-05-02-00 3300 NSv Proximity Probe is a high-precision, non-contact eddy-current sensor engineered for critical rotating machinery monitoring. As part of the 3300 NSv (Narrow Side-view) series, this probe is designed to measure shaft vibration, dynamic displacement, and rotor position with high accuracy in limited-space installations. It features a rugged stainless-steel construction and integrated EMI shielding, ensuring reliable performance in industrial environments with extreme temperatures, high pressure, or strong electromagnetic interference. This probe plays a critical role in predictive maintenance programs and machine protection systems, providing early detection of mechanical issues in turbines, compressors, generators, pumps, and other rotating equipment.
Product Specifications
| Parameter | Description |
|---|---|
| Model Number | 330908-00-08-05-02-00 |
| Series | 3300 NSv Proximity Probes |
| Sensing Principle | Eddy-current, non-contact vibration & displacement |
| Linear Range | 0 to 2 mm (typical) |
| Sensitivity | 7.87 mV/µm (±5%) |
| Frequency Response | DC to 10 kHz (±3 dB) |
| Nominal Gap | 1.0 mm |
| Probe Tip Diameter | 5 mm stainless steel |
| Operating Temperature | −35 °C to +177 °C |
| Pressure Rating | Up to 500 psi |
| Compatible Driver | Bently Nevada 3300 XL Proximitor |
| Extension Cable Type | 330130 or approved NSv cable |
| Total Length | 0.5 meter |
| Weight | 0.15 kg |
Applications
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Steam and Gas Turbines: Monitors shaft vibration and displacement in constrained spaces.
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Compressors: Detects bearing wear, surge conditions, and cavitation-induced vibrations.
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Electric Motors and Generators: Monitors rotor displacement and vibration in tight or unconventional installations.
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Gearboxes: Detects misalignment, mechanical looseness, and gear mesh issues.
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Industrial Pumps: Provides precise monitoring of shaft deflection and hydraulic instabilities.
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Fans and Blowers: Detects imbalance and bearing wear in hard-to-access areas.
Advantages
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High Accuracy: Excellent linearity and sensitivity for precise vibration and displacement measurement.
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Compact Design: 5 mm probe tip enables installation in limited or complex spaces.
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Durable Construction: Stainless-steel housing ensures corrosion resistance and longevity.
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Wide Temperature Range: Operates reliably from −35 °C to +177 °C.
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Integrated EMI Shielding: Provides stable signal performance in high-electromagnetic environments.
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Seamless Integration: Fully compatible with Bently Nevada 3300 XL Proximitor systems.
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Low Maintenance: Non-contact sensing reduces wear, minimizing downtime and servicing needs.
FAQ
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How is the 330908-00-08-05-02-00 probe calibrated for accurate measurements?
Factory-calibrated using an AISI 4140 steel target to ensure linearity and sensitivity across its range. -
Can this probe interface with standard Bently Nevada Proximitor drivers?
Yes, it is fully compatible with the 3300 XL Proximitor and approved NSv extension cables. -
What is the maximum vibration frequency measurable by this probe?
Accurate measurements are achievable up to 10 kHz within the probe’s linear range. -
What type of output signal does the probe provide?
The probe outputs a voltage proportional to shaft displacement, typically 0–20 V peak-to-peak. -
Is additional EMI shielding necessary in high-noise environments?
No, integrated EMI shielding ensures stable and reliable signal output without additional protection. -
Can this probe be used in pressurized or oil-submerged applications?
Yes, it is rated for pressures up to 500 psi and suitable for submerged conditions. -
How does the probe maintain measurement accuracy under varying temperatures?
Internal thermal compensation and stainless-steel construction preserve accuracy across the operating range. -
Can this probe monitor both radial and axial displacement?
Yes, installation orientation determines whether radial or axial displacement is measured. -
What signal conditioning equipment is recommended for optimal performance?
The Bently Nevada 3300 XL Proximitor or equivalent driver provides the necessary power and signal processing. -
Does extension cable length affect calibration or sensitivity?
Yes, the probe is calibrated for a specific cable length; using the correct extension cable is essential.
Recommended Related Models (Same Series or Similar)
| Model | Description |
|---|---|
| 330905-00-12-05-02-05 | NSv probe variant for standard mounting configurations |
| 330905-00-16-10-02-05 | NSv probe designed for extended installation environments |
| 330905-00-18-05-02-05 | NSv probe with enhanced vibration measurement stability |
| 330905-00-25-05-01 | NSv probe for narrow-space machinery monitoring |
| 330909-00-05-05-02 | NSv probe offering extended frequency response capability |
| 330904-00-12-05-02-05 | Compact NSv proximity probe for space-limited applications |
Popular Bently Nevada Models
| Model | Description |
|---|---|
| 3300 XL 5 mm | Standard proximity probe for general rotating machinery |
| 3500/42M | Advanced vibration monitoring module |
| 3500/22M | Transient data interface module |
| 3500/40M | Proximitor monitor for displacement and vibration |
| 7200 Series | High-performance proximity probe series |
| 330130-040-00 | Compatible extension cable for proximity probe systems |
