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Product Introduction
The Bently Nevada 330102-00-40-10-01-05 3300 XL 8 mm Proximity Probe is a precision-engineered sensing device designed for reliable and accurate shaft displacement, vibration, and position measurements. It is part of the widely adopted 3300 XL Proximity Transducer System, which is an industry standard in machinery protection and condition monitoring.
This probe uses non-contact eddy current technology to measure the distance between the probe tip and a conductive target, typically a rotating shaft. It ensures high reliability under harsh industrial environments, including high temperatures, electrical noise, and mechanical stress, making it suitable for critical rotating equipment such as turbines, compressors, pumps, and motors.
Product Parameters
| Parameter | Specification |
|---|---|
| Model Number | 330102-00-40-10-01-05 |
| Series | Bently Nevada 3300 XL Proximity Probes |
| Probe Type | 8 mm tip, non-contact eddy current probe |
| Linear Range | 2.0 mm (80 mils) typical |
| Sensitivity | 7.87 V/mm (200 mV/mil) |
| Frequency Response | DC to 10 kHz |
| Operating Temperature | -35 °C to +180 °C (probe body) |
| Cable Length | 10 ft (specified by “-10” in part number) |
| Connector Type | Standard coaxial connector, compatible with 3300 XL extension cables |
| Insulation Resistance | > 10⁹ Ω at 500 VDC |
| Total Length | 1 m |
| Weight | 0.323 kg |
| Mounting Thread | M10 x 1 or 3/8-24 UNF, depending on variant |
| Compliance | API 670 Machinery Protection Standards |
Product Applications
The 330102-00-40-10-01-05 Proximity Probe is widely deployed in critical machinery monitoring systems. Typical applications include:
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Shaft vibration monitoring in turbines, compressors, pumps, and electric motors.
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Axial position measurement in thrust-bearing equipped machines.
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Radial displacement detection for rotating shafts.
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Rotor dynamics analysis in large industrial machinery.
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Protection systems for rotating assets following API 670 standards.
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Integration with Bently Nevada 3300 XL Transducer Systems for machine protection and diagnostics.
Product Advantages
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High Reliability: Built to operate under extreme industrial environments, resistant to temperature variations and EMI interference.
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Accurate Measurements: Provides stable and repeatable shaft displacement and vibration readings.
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Compliance with API 670: Meets industry requirements for critical machine protection systems.
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Flexible Cabling: Available in different cable lengths to suit installation needs.
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Interchangeability: Fully compatible with 3300 XL extension cables and Proximitor® sensors.
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Proven Design: Part of the long-trusted Bently Nevada 3300 XL series, used worldwide for decades in machinery protection.
FAQ
Q1: What is the operating principle of this proximity probe?
A1: It works on the eddy current principle, generating a high-frequency magnetic field that induces eddy currents in the conductive shaft surface. The probe detects changes in current flow proportional to the shaft distance.
Q2: Can this probe measure both radial and axial displacement?
A2: Yes, the probe can be mounted either radially to monitor shaft vibration or axially to monitor thrust position.
Q3: What is the maximum gap voltage output of the probe?
A3: The probe provides a DC voltage proportional to shaft displacement, typically up to -24 VDC at maximum gap.
Q4: How is linearity maintained across the measurement range?
A4: The probe, extension cable, and Proximitor® sensor are matched as a calibrated system, ensuring linear response across the 2 mm range.
Q5: What is the effect of target material on measurement accuracy?
A5: The probe is factory-calibrated for 4140 steel; use with other materials requires correction factors to maintain accuracy.
Q6: Is the probe shielded against electromagnetic interference?
A6: Yes, the probe incorporates coaxial shielding to minimize EMI, ensuring reliable performance in noisy environments.
Q7: What frequency response does the system support?
A7: The probe supports DC to 10 kHz frequency response, suitable for monitoring high-speed rotating machinery.
Q8: Can the probe operate in hazardous areas?
A8: Certain variants are available with hazardous area certifications (ATEX, CSA, IECEx). Users should verify the marking on the device.
Q9: What is the recommended installation torque for the mounting thread?
A9: Typically, 2.8 to 3.4 N·m is recommended, ensuring secure mounting without damaging the probe.
Q10: Does cable length affect probe calibration?
A10: Yes, the system is calibrated for specific cable lengths (e.g., 5 m, 9 m). Using incorrect cable lengths without recalibration will reduce accuracy.
Recommended Same-Series or Related Models
| Model Number | Description |
|---|---|
| 330102-00-36-05-02-05 | 3300 XL 8 mm Proximity Probe, 5 m cable |
| 330102-00-32-10-02-05 | 3300 XL 8 mm Proximity Probe, 10 m cable |
| 330102-00-35-05-02-00 | 3300 XL 8 mm Proximity Probe, alternate cable variant |
| 330102-00-28-05-02-00 | 3300 XL 8 mm Proximity Probe, shorter cable option |
| 330103-00-07-10-02-05 | 3300 XL 11 mm Proximity Probe for larger shafts |
| 330104-00-09-10-02-05 | 3300 XL 25 mm Proximity Probe for special applications |
Popular Bently Nevada Models
| Model Number | Description | Application Area |
|---|---|---|
| 3500/22M | Transient Data Interface Module | Data acquisition for 3500 system |
| 3500/42M | Proximitor®/Seismic Monitor | Vibration and position monitoring |
| 3500/15 | Power Supply Module | System power management |
| 330104-00-09-10-02-05 | 3300 XL 25 mm Proximity Probe | Large shaft monitoring |
| 330103-00-07-10-02-05 | 3300 XL 11 mm Proximity Probe | General vibration monitoring |
| 330130-040-00-00 | 3300 XL NSv Proximity Probe | Small shaft measurements |
| 330400 | Accelerometer | Machine vibration monitoring |
| 3500/50E | Keyphasor® Module | Phase reference for rotating equipment |
