The Bently Nevada 330104-00-22-10-01-05, also cataloged as the 330104 Proximity Probe, operates as a dedicated hardware component for non-contacting displacement and vibration measurements within 3300 XL Proximity Transducer System platforms.
Suffix Breakdown & Model Matrix
- 330104: Base model number for 3300 XL 8 mm proximity probe with M10 x 1 threads.
- -00: Unthreaded Length Option (00 = 0 mm).
- -22: Overall Case Length Option (22 = 220 mm).
- -10: Total Length Option (10 = 1.0 meter).
- -01: Connector and Cable-Type Option (01 = Miniature coaxial ClickLoc connector with connector protector, standard cable).
- -05: Agency Approvals Option (05 = CSA, ATEX, IECEx certified for hazardous areas).
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330104-00-22-10-01-05 |
| Brand | Bently Nevada |
| Origin | U.S.A. |
| Weight | 0.323 kg nominal |
| Dimensions | 8 mm probe tip diameter, 220 mm case length, 1.0 m total cable length |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Driven by external Proximitor Sensor |
| Input Voltage | -17.5 VDC to -26 VDC |
| Output Resistance | 50 Ohm nominal |
| Nominal Probe DC Resistance | 7.59 +/- 0.50 Ohm (for 1.0-meter cable length) |
| Thread Type | M10 x 1 |
| Mechanical Protection | TipLoc technology tip-to-body bond, armor protected cable |
Eddy-Current Probe Scaling and Gap Voltage Validation
The 330104 proximity probe transmits a high-frequency radio frequency (RF) signal to execute eddy-current probe scaling over a target area. Operating in conjunction with a 3300 XL Proximitor Sensor, it provides a calibrated scale factor of 7.87 V/mm (200 mV/mil) when measuring a standard target material. Field verification requires precise gap voltage validation, mapping the physical distance between the probe tip and the target to a centered electrical value of -10 VDC within the system's linear operating range. This step stabilizes the loop calibration needed to map rotor dynamics, such as static shaft position and dynamic radial vibration. Proper physical arrangement must also be observed during installation to facilitate multi-channel cross-talk suppression, ensuring that magnetic lines from adjacent probes do not overlap and disrupt individual channel performance.
Frequently Asked Questions
Q: How does a mismatch in the total physical system cable length alter the electrical properties?
A: The proximity probe is factory-calibrated for an exact total electrical length (1.0 meter for this model). If a 1.0-meter probe is paired with an incorrect extension cable that does not match the overall 5.0-meter or 9.0-meter Proximitor calibration, the loop impedance shifts, which disrupts the nominal DC resistance profile and compromises the accuracy of the scale factor.
Q: What is the benefit of the "01" option connector protector on the ClickLoc interface?
A: The gold-plated ClickLoc connector protector prevents the coaxial terminal from contacting electrical ground or tracking contaminants within machinery housings. It maintains a clean environment around the 50 Ohm interface, ensuring that moisture and ground potential variations do not induce signal attenuation or measurement noise.
Field Installation Guidelines
- Mechanical Mounting and Torque Limits: Thread the M10 x 1 stainless steel probe case into the target mounting block. Do not exceed the maximum rated torque specification for an 8 mm probe case to prevent structural deformation or detachment at the TipLoc tip-to-body interface.
- Setting the Electrical Gap: Connect a digital voltmeter to the Proximitor sensor output. Adjust the probe depth relative to the shaft surface until the voltmeter stabilizes at the target -10 VDC value, ensuring the probe operates at the absolute midpoint of its linear envelope.
- Cable Routing and Shield Separation: Route the standard cable and armor through dedicated low-voltage instrument trays. Ensure a minimum physical bend radius of 25.4 mm (1.0 inch) is maintained along the entire cable path to prevent damaging the inner coaxial conductor.
- Hazardous Area Isolation: Under the -05 approval option, all wiring terminations and extension cables must comply with local ATEX, CSA, and IECEx intrinsic safety standards. Ensure the outer armor layer is grounded at a single point, typically at the Proximitor housing panel, to mitigate electrical noise without generating ground loops.
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
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