Bently Nevada 330851-01-000-020-10-00-00 Proximity Probe
A 25 mm proximity probe with 1¼-12 thread, 2.0 in case, 1.0 m total length and no armor.
Technical Summary
330851-01-000-020-10-00-00 is a threaded 3300 XL 25 mm probe for large-gap displacement and vibration measurements. Its code fixes the mechanical case and cable execution needed for installation planning.
The probe is one component of a calibrated transducer system. The probe, extension cable and Proximitor Sensor must be selected for the same total system length.
Specifications
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Model | 330851-01-000-020-10-00-00 |
| System | 3300 XL 25 mm Proximity Transducer System |
| Probe Case | 1¼-12 thread |
| Unthreaded Length | 0.0 in |
| Overall Case Length | 2.0 in |
| Probe Total Length | 1.0 m (3.3 ft) |
| Cable Armor | No armor |
| Agency Approval | No approvals |
| Cable Type | 75 ohm FluidLoc cable |
| System-Matching Rule | Probe plus extension cable must equal sensor system length |
Features
- Provides non-contact shaft position and vibration measurement within the matching 25 mm system.
- Uses a threaded case for adjustable mounting and mechanical retention.
- Includes a removable-nut connector arrangement for routing through restricted openings.
- Employs a PFA-jacketed probe cable in the non-armored execution.
Compatibility
- Use only with 3300 XL 25 mm system components of the matching total length.
- Confirm thread, case length, probe reach and bracket geometry against the installed machine.
- The no-approval suffix must agree with the site classification and project documentation.
Replacement
- Record the installed probe gap and mounting depth before loosening the locknut.
- Inspect the extension cable, connector protection and Proximitor Sensor rather than changing the probe in isolation.
- Set the mechanical gap and prove the complete system output before returning the machine to service.
FAQ
Can 330851-01-000-020-10-00-00 connect directly to any Bently Nevada Proximitor Sensor?
No. It belongs to the 3300 XL 25 mm system and the combined probe and extension-cable length must match the selected sensor system length.
What installation dimension is critical for 330851-01-000-020-10-00-00?
Confirm the 1¼-12 thread, 2.0 in overall case and required insertion depth before ordering or moving the locknut.
Does 330851-01-000-020-10-00-00 include stainless-steel cable armor?
No. The armor field is 00, so this execution is supplied without armor.
Can an M30x2 probe replace 330851-01-000-020-10-00-00?
Not without changing and validating the mechanical mounting; the submitted probe uses a 1¼-12 English thread.
What should be checked after fitting 330851-01-000-020-10-00-00?
Verify mounting torque, connector condition, probe gap, static output and the complete channel response under the approved commissioning procedure.
Which information should accompany a 330851-01-000-020-10-00-00 enquiry?
Provide the probe label, extension-cable number, Proximitor Sensor number, machine mounting details, existing gap and area-classification requirement.
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