Product Introduction
The Bently Nevada 330903-00-09-05-02-05 3300 NSv Proximity Probe is a high-precision vibration and position sensor designed for critical rotating machinery monitoring. It is part of the 3300 Series Proximity Systems, widely used in power generation, oil & gas, and heavy industrial applications. The probe provides accurate, reliable measurements of shaft vibration and position, enabling early detection of potential machinery issues and supporting predictive maintenance strategies..
Product Advantages
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High Accuracy: Provides precise vibration and shaft displacement measurements.
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Reliability: Robust design ensures stable operation under extreme temperatures, pressures, and environments.
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Compatibility: Seamlessly integrates with the Bently Nevada 3300 series monitoring systems.
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Predictive Maintenance Support: Enables early detection of machinery issues, reducing unplanned downtime.
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Long Cable Length Capability: Allows flexible installation in complex machinery setups.
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Maintenance Friendly: Probe tips and cabling are easily serviceable without system shutdown.
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | Proximity Probe (Eddy Current) |
| Operating Temperature | -40°C to 120°C |
| Cable Length | 0.5 m |
| Weight | 0.15 kg |
| Probe Tip Diameter | 3.18 mm |
| Measurement Range | 0–2.54 mm |
| Frequency Response | DC to 10 kHz |
| Supply Voltage | 18–30 V DC |
| Output Type | AC signal proportional to displacement |
| Mounting Type | Threaded (M8x1) |
| Connector Type | 2-pin Lemo |
| Environmental Rating | IP65 |
Product Applications
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Condition monitoring of turbines, compressors, and generators
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Detection of shaft vibration and rotor displacement in high-speed rotating machinery
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Integration into predictive maintenance programs for critical industrial equipment
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Monitoring of pumps and motors in oil & gas, power plants, and petrochemical plants
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Early warning of mechanical faults such as imbalance, misalignment, or bearing wear
FAQ
Q1: How does the 3300 NSv Proximity Probe measure shaft vibration?
A1: It uses eddy current technology, where the probe tip induces a voltage signal proportional to the distance from the target shaft surface, allowing precise vibration and displacement measurements.
Q2: What is the recommended installation orientation for the probe?
A2: The probe should be installed perpendicular to the shaft surface, maintaining consistent gap alignment to ensure accurate readings.
Q3: Can the probe operate in high-temperature environments?
A3: Yes, the probe is rated for -40°C to 120°C, making it suitable for most industrial high-temperature machinery applications.
Q4: How is the probe connected to the monitoring system?
A4: It uses a 2-pin Lemo connector, compatible with the Bently Nevada 3300 series monitors.
Q5: What is the maximum cable length supported without signal degradation?
A5: The standard probe cable is 0.5 m, but Bently Nevada recommends using the specified extension cables for longer distances while maintaining signal integrity.
Q6: Is the probe compatible with all Bently Nevada 3300 series monitors?
A6: Yes, it is designed for full compatibility with the 3300 NSv and other standard 3300 series monitoring systems.
Q7: How should the probe gap be adjusted?
A7: The probe gap should be adjusted according to the shaft diameter and the system’s calibration instructions, typically between 0.25 mm and 0.5 mm for optimal signal.
Q8: Can this probe detect axial and radial displacement?
A8: Yes, when installed in appropriate positions, it can monitor radial vibration and axial movement depending on system setup.
Q9: Is the probe resistant to electromagnetic interference (EMI)?
A9: Yes, the probe includes shielding to minimize EMI effects, ensuring accurate measurements in electrically noisy environments.
Q10: What maintenance is required for this probe?
A10: Regular inspection of the probe tip and cable integrity is recommended, along with cleaning to prevent debris accumulation, but no calibration is required during routine operation.
Related / Same-Series Models
| Model Number | Description |
|---|---|
| 330903-00-09-05-02-01 | 3300 NSv Proximity Probe, short cable |
| 330903-00-09-05-02-02 | 3300 NSv Proximity Probe, medium cable |
| 330903-00-09-05-02-03 | 3300 NSv Proximity Probe, long cable |
| 330903-00-09-05-02-04 | 3300 NSv Proximity Probe with enhanced tip |
| 330903-00-09-05-02-06 | 3300 NSv Proximity Probe, extended range |
| 330903-00-09-05-02-07 | 3300 NSv Proximity Probe, high-temperature |
Popular Bently Nevada Models
| Model Number | Description |
|---|---|
| 3300 XL Proximity Probe | High-accuracy vibration monitoring |
| 3300 XL Transducer | General machinery monitoring |
| 3300 XL RPM Probe | Shaft speed measurement |
| 3500/22M Bearing Monitor | High-speed machinery bearing monitoring |
| 3500/40V Vibration Monitor | Advanced vibration diagnostics |
| 3300 XL Keyphasor | Rotor keyphasor monitoring |
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