The Bently Nevada 3300 XL 8 mm Proximity Transducer System provides an electrical output proportional to the distance between the probe tip and a conductive target. Baker Hughes identifies vibration and position measurement on fluid-film bearing machines, together with Keyphasor reference and speed measurement, as primary applications. The system is therefore more than a probe alone: a replacement decision must preserve the electrical and mechanical relationship among all three components.
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01 · Probe
Match diameter, thread, armor, case geometry, lead length, connector and approval code. |
02 · Extension Cable
Confirm length, standard or ETR family, armor, connector protection and approval option. |
03 · Proximitor Sensor
Match total system length, mounting format and required agency approval. |
Begin at the machine. The standard-mount 8 mm family includes 330101 probes with 3/8-24 UNF threads and no armor, 330102 with the same thread and armor, 330103 with M10 × 1 threads and no armor, and 330104 with M10 × 1 threads and armor. Reverse-mount and smooth-case families are separate choices. Check space, thread, insertion geometry, cable routing and approvals against the nameplate and drawing before selecting a suffix code.
Baker Hughes ordering information states that probe length plus extension-cable length must equal the Proximitor Sensor total length. For example, a 1.0 m probe lead paired with a 4.0 m extension cable forms a 5.0 m system; an 8.0 m extension cable with that probe forms a 9.0 m system. Do not infer the required length from appearance. Read the complete codes from the installed probe, cable and Proximitor, then reconcile the three values on one worksheet.
Treat family, total system length and target calibration as controlling data. Published performance applies to a complete 3300 XL 8 mm system calibrated to the specified target material; a partial model number or visually similar cable is not enough evidence for substitution.
The 330180 Proximitor Sensor ordering structure distinguishes 1.0, 5.0 and 9.0 m systems, with panel-mount, DIN-mount and no-hardware options. Approval codes are part of the order. Mixing XL and non-XL 3300-series 5 mm or 8 mm components limits performance to the non-XL system specification. For a legacy configuration, document every installed part before purchasing.
Provide clear labels for all three components, complete part numbers, probe mounting style and thread, case and unthreaded lengths, probe lead length, extension-cable length and type, Proximitor system length and mounting, approval requirement, target material, quantity and destination. This record separates a true like-for-like replacement from a component that only looks similar. See the 3300 XL technical resources available on this website.
Use these references to start a review, not to infer interchangeability. Confirm the full code, series, system length, approvals, quantity and label information before ordering.
| Model | Hardware Role / Description |
|---|---|
| 330101-00-30-90-02-05 | 3300 XL 8 mm standard-mount probe, no armor |
| 330101-00-40-05-02-00 | 3300 XL 8 mm standard-mount probe, no armor |
| 330101-00-60-10-02-05 | 3300 XL 8 mm standard-mount probe, no armor |
| 330102-24-72-10-02-00 | 3300 XL 8 mm standard-mount probe, armored |
| 330102-00-20-10-02-00 | 3300 XL 8 mm standard-mount probe, armored |
| 330103-00-12-10-11-05 | 3300 XL 8 mm M10 × 1 probe, no armor |
| 330103-00-05-10-02-00 | 3300 XL 8 mm M10 × 1 probe, no armor |
| 330104-05-12-10-02-00 | 3300 XL 8 mm M10 × 1 probe, armored |
| 330104-00-06-10-02-00 | 3300 XL 8 mm M10 × 1 probe, armored |
| 330105-02-12-10-02-05 | 3300 XL 8 mm reverse-mount probe |
| 330130-045-00-05 | 3300 XL standard extension cable |
| 102045-040-00-05 | 3300 XL extension-cable reference |
| 330130-040-00-05 | 3300 XL standard extension cable |
| 330180-50-05 | 3300 XL Proximitor Sensor, 5 m panel mount |
| 330180-91-00 | 3300 XL Proximitor Sensor, 9 m DIN mount |
Can any 3300 XL cable be used? No. The extension cable and probe lead must add up to the Proximitor system length, while cable type and approvals must also be checked.
Do new components need individual bench matching? Within a correctly specified 3300 XL 8 mm family, Baker Hughes states that probes, extension cables and Proximitor Sensors support complete interchangeability without individual matching or bench calibration.
How should end users and buyers screen a supplier? Verify the company identity, exact part number and condition, label photos, inspection options, delivery terms, warranty and return responsibilities. Confirm that business and contact records are consistent.
What should engineers require before approving a replacement? Require the complete model, series and revision, manufacturer-supported data, stated compatibility limits, and installation or firmware conditions. Reject undocumented claims such as “equivalent” or “drop-in replacement.”
