Overview
Specifications
| ParameterSpecification | |
| Model | 330101-00-18-10-02-05 |
| Brand | Bently Nevada |
| Origin | USA |
| Product Type | Proximity Transducers |
| Series | 3300 XL 8 mm |
| Probe Diameter | 8 mm |
| Measurement Principle | Eddy-current non-contact sensing |
| Functional Role | Shaft vibration, axial position, and displacement monitoring |
| System Compatibility | Bently Nevada 3300 XL transducer systems |
| Target Material | Electrically conductive metallic targets |
| Signal Chain Requirement | Matched probe, extension cable, and compatible Proximitor electronics |
| Output Characteristic | Electrical response proportional to target displacement |
| Mounting Method | Threaded mechanical installation |
| Weight | Not explicitly specified |
| Dimensions | Refer to manufacturer dimensional documentation |
| Operating Temp | Refer to official Bently Nevada environmental specification |
| Power Consumption | Determined by associated signal conditioning electronics |
Eddy-Current Probe Scaling and Cross-Talk Suppression
The 3300 XL 8 mm proximity transducer operates as part of a calibrated sensing chain. Therefore, users must maintain electrical matching between the probe, extension cable, and driver electronics to preserve eddy-current probe scaling accuracy.
During startup and commissioning, technicians often verify gap voltage response to confirm probe clearance and target interaction. In most Bently Nevada proximity systems, engineers compare measured bias behavior against expected negative DC operating regions, including values near -10 VDC targets. If the measured response drifts outside the expected range, maintenance personnel should inspect target material condition, cable selection, probe spacing, and mounting geometry.
In addition, multi-channel monitoring layouts demand disciplined cable management. Proper conductor separation, controlled shield continuity, and clean routing practices reduce cross-talk between adjacent vibration measurement channels and support stable rotor dynamic signal acquisition.
Frequently Asked Questions
Q: Can the probe operate without associated signal conditioning electronics?
A: No. The sensing element requires compatible Proximitor or equivalent conditioning hardware to provide excitation and maintain calibrated measurement behavior.
Q: Can installers shorten or splice the probe cable during field installation?
A: Installers should avoid cable shortening, splicing, or unauthorized connector modification because impedance changes can alter system scaling and signal response.
Q: Do grounding and cable routing practices influence measurement stability?
A: Yes. When technicians route probe wiring near switching circuits, motor feeders, or drive output conductors, electrical interference can affect low-level sensing signals.
Field Installation Guidelines
Install the probe with rigid mechanical support and controlled alignment to the conductive target surface. Also, maintain the configured sensing clearance required by the installed transducer arrangement.
Next, route probe cables separately from power wiring, switching conductors, and variable-frequency drive outputs. Apply shield grounding according to the site installation standard, and avoid uncontrolled multi-point shield bonding. Finally, verify connector integrity, mounting condition, and measured gap voltage response before returning the monitored equipment to service.
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