330851-04-000-023-10-01-05 Bently Nevada 25 mm Probe
330851-04-000-023-10-01-05
330851-04-000-023-10-01-05 is a Bently Nevada 3300 XL 25 mm proximity probe with smooth 1.06 in side-exit case, 0.0 in unthreaded length, 2.3 in overall case length, a 1 m high-temperature FluidLoc lead, SST armor, and the multiple-approvals option. 330851-04-000-023-10-01-05 is one component of a matched 25 mm transducer system for steam-turbine expansion measurement; 330851-04-000-023-10-01-05 alone does not deliver complete-system performance.
Scope note: 330851-04-000-023-10-01-05 identifies 3300 XL 25 mm proximity probe only. Complete-system performance is labeled separately and does not apply to 330851-04-000-023-10-01-05 alone.
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330851-04-000-023-10-01-05 is only the listed proximity probe; 330851-04-000-023-10-01-05 must be matched with the correct 25 mm probe, cable path and Proximitor Sensor configuration.
330851-04-000-023-10-01-05 does not independently provide the published complete-system range or scale factor. The official 12.7 mm range and 0.787 V/mm average scale factor apply only to a complete matched 330851/330854/330850 chain under the published target and test conditions.
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Exact model / part number | 330851-04-000-023-10-01-05 |
| Component type | 3300 XL 25 mm proximity probe only |
| Compatible transducer family | 3300 XL 25 mm components only |
| Decoded order options | case option 04 = smooth 1.06 in side-exit case; unthreaded length 0.0 in; overall case length 2.3 in; probe lead 1 m; SST armor; approval 05 - multiple approvals; verify the stocked unit nameplate and certificate when certification matters |
| Required total electrical/system length | Use with a 4 m extension cable for a 5 m system or an 8 m extension cable for a 9 m system |
| Agency option | 05 - multiple approvals; verify the stocked unit nameplate and certificate when certification matters |
| Probe lead construction | High-temperature FluidLoc |
| Probe tip material | PEEK |
| Probe case material | AISI 304 stainless steel |
| Probe temperature | -35 to +200 deg C continuously; +250 deg C for less than 24 hours |
| Official document | 163236 Rev. M |
| Complete matched system - components | 330851 probe + optional 330854 extension cable + 330850 Proximitor Sensor |
| Complete matched system - linear range | 12.7 mm (500 mil), approximately 0.63 to 13.33 mm gap and -1.5 to -11.5 Vdc |
| Complete matched system - average scale factor | 0.787 V/mm (20 mV/mil) nominal |
| Complete matched system - DSL | Less than +/-0.31 mm (+/-12 mil) |
| Complete matched system - electrical lengths | 5 m or 9 m including any extension cable |
| Complete matched system - target basis | Bently Nevada AISI 4140 steel, flat target at least 61 mm diameter; standard specification gap 7.0 mm |
| Complete matched system - frequency response | 0 to 2.7 kHz, +0/-3 dB typical, with up to 305 m field wiring under published conditions |
The family remains covered by current Baker Hughes documentation. Exact configuration availability, condition and lead time must be confirmed separately; documentation alone is not a lifecycle declaration.
330851-04-000-023-10-01-05 is a Bently Nevada 3300 XL 25 mm proximity probe with smooth 1.06 in side-exit case, 0.0 in unthreaded length, 2.3 in overall case length, a 1 m high-temperature FluidLoc lead, SST armor, and the multiple-approvals option.
330851-04-000-023-10-01-05 specifies case option 04 = smooth 1.06 in side-exit case; unthreaded length 0.0 in; overall case length 2.3 in; probe lead 1 m; SST armor; approval 05 - multiple approvals; verify the stocked unit nameplate and certificate when certification matters.
330851-04-000-023-10-01-05 is designed for the Bently Nevada 3300 XL 25 mm Proximity Transducer System and 330851-04-000-023-10-01-05 must be used with matched 25 mm family components.
330851-04-000-023-10-01-05 must be installed in a matched 5 m or 9 m electrical path; for 330851-04-000-023-10-01-05, probe lead length plus extension-cable length must equal the Proximitor Sensor system length.
330851-04-000-023-10-01-05 alone does not establish the published system performance; for 330851-04-000-023-10-01-05, the official range and scale factor apply to the complete matched probe, cable and Proximitor Sensor under the datasheet target and test conditions.
330851-04-000-023-10-01-05 has the component-specific official temperature statement shown in the technical table: -35 to +200 deg C continuously; +250 deg C for less than 24 hours.
330851-04-000-023-10-01-05 carries order option 05: multiple approvals; final site acceptance for 330851-04-000-023-10-01-05 must follow the unit marking and applicable certificate.
330851-04-000-023-10-01-05 is a component of the 3300 XL 25 mm system used for differential expansion on mid-size to large steam turbines.
Send the complete component and matching system part numbers, required electrical length, quantity, target material, approval requirements, destination and clear label photos. Availability and condition will be confirmed before quotation.
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