Bently Nevada 330103-10-12-05-11-05 3300 XL 8 mm Proximity Probe

The Bently Nevada 330103-10-12-05-11-05, also cataloged as the 330103 3300 XL 8 mm Proximity Probe, provides non-contact shaft displacement measurement through an eddy-current sensing circuit. This configuration uses an M10 x 1 thread, a 0.5 meter cable, a miniature coaxial ClickLoc connector with connector protector, and FluidLoc cable construction.

Hardware Specifications

Eddy-Current Measurement and Gap Voltage Validation

The 3300 XL 8 mm probe operates as part of an eddy-current proximity measurement system. The probe generates an electromagnetic field at the target surface, and changes in the target distance modify the electrical response of the sensing circuit.

During commissioning, technicians should verify the probe-to-target gap against the associated Bently Nevada Proximitor system requirements. For standard Bently Nevada eddy-current systems, gap voltage validation commonly uses a negative DC voltage, with approximately -10 VDC serving as a typical reference target when specified by the applicable system documentation.

The probe installation should also maintain the required mechanical alignment with the monitored shaft. Consequently, probe position, target geometry, cable routing, and electrical shielding all affect measurement quality.

Frequently Asked Questions

Q: What mechanical thread does the 330103-10-12-05-11-05 use?
A: This configuration uses an M10 x 1 thread and has a minimum unthreaded length of 100 mm.

Q: What connector and cable configuration does this probe have?
A: It uses a miniature coaxial ClickLoc connector with a connector protector and FluidLoc cable. The specified cable length is 0.5 meter.

Q: Does this configuration include hazardous-area approvals?
A: Yes. The supplied specification identifies CSA, ATEX, and IECEx approvals for this configuration.

Field Installation Guidelines

1. Confirm the probe model, thread specification, and mechanical mounting dimensions before installation.
2. Install the M10 x 1 threaded body without applying mechanical force to the probe cable or connector.
3. Maintain the specified probe orientation relative to the monitored shaft or target surface.
4. Route the coaxial cable away from high-current power conductors, variable-frequency drive cables, and other strong electromagnetic sources.
5. Avoid sharp bends, crushing, abrasion, and excessive tensile loading of the FluidLoc cable.
6. Protect the miniature ClickLoc connector and connector protector from mechanical impact and contamination.
7. Connect the probe to the compatible Bently Nevada signal conditioning equipment before performing electrical verification.
8. Verify probe gap voltage and signal behavior during commissioning according to the applicable 3300 XL system documentation.
9. For hazardous-area installations, verify that the complete probe, cable, connector, and monitoring circuit configuration satisfies the applicable CSA, ATEX, or IECEx installation requirements.