330878-90-05 Bently Nevada 50 mm Proximitor Sensor
330878-90-05
330878-90-05 is a Bently Nevada 3300 XL 50 mm Proximitor Sensor configured for a 9 m transducer system with panel mounting and the multiple-approvals option. 330878-90-05 accepts one matched 3300 XL 50 mm proximity probe and the compatible cable path. 330878-90-05 is the signal-conditioning component, not a complete transducer system.
Scope note: 330878-90-05 identifies 3300 XL 50 mm Proximitor Sensor; signal conditioner only. Complete-system performance is labeled separately and does not apply to 330878-90-05 alone.
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+86 18150117685Proximitor Sensor
330878-90-05 is only the listed Proximitor Sensor; 330878-90-05 must be matched with the correct 50 mm probe, cable path and Proximitor Sensor configuration.
330878-90-05 does not independently provide the published complete-system range or scale factor. The official 27.9 mm range and 394 mV/mm average scale factor apply only to a complete matched 330876/330877/330878 chain under the published target and test conditions.
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Exact model / part number | 330878-90-05 |
| Component type | 3300 XL 50 mm Proximitor Sensor; signal conditioner only |
| Compatible transducer family | 3300 XL 50 mm components only |
| Decoded order options | AA 90 = 9 m system with panel mounting; approval 05 - multiple approvals; verify the stocked unit nameplate and certificate when certification matters |
| Required total electrical/system length | 9 m; the matched probe lead plus extension-cable length must equal 9 m |
| Agency option | 05 - multiple approvals; verify the stocked unit nameplate and certificate when certification matters |
| Sensor power | -17.5 to -26 Vdc without barriers, 12 mA maximum; -23 to -26 Vdc with barriers |
| Output resistance | 50 ohm |
| Operating temperature | -51 to +100 deg C |
| Storage temperature | -51 to +105 deg C |
| Official document | 174014 Rev. L |
| Complete matched system - components | 330876 probe + optional 330877 extension cable + 330878 Proximitor Sensor |
| Complete matched system - linear range | 27.9 mm (1100 mil), approximately 1.3 to 29.2 mm gap and -1.5 to -12.5 Vdc |
| Complete matched system - average scale factor | 394 mV/mm (10 mV/mil) nominal |
| Complete matched system - DSL | Less than +/-0.74 mm (+/-29 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 102 mm diameter |
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.
330878-90-05 is a Bently Nevada 3300 XL 50 mm Proximitor Sensor with a 9 m system, panel mounting, and the multiple-approvals option.
330878-90-05 specifies AA 90 = 9 m system with panel mounting; approval 05 - multiple approvals; verify the stocked unit nameplate and certificate when certification matters.
330878-90-05 is designed for the Bently Nevada 3300 XL 50 mm Proximity Transducer System and 330878-90-05 must be used with matched 50 mm family components.
330878-90-05 must be installed in a matched 5 m or 9 m electrical path; for 330878-90-05, probe lead length plus extension-cable length must equal the Proximitor Sensor system length.
330878-90-05 alone does not establish the published system performance; for 330878-90-05, the official range and scale factor apply to the complete matched probe, cable and Proximitor Sensor under the datasheet target and test conditions.
330878-90-05 has the component-specific official temperature statement shown in the technical table: -51 to +100 deg C operating; -51 to +105 deg C storage.
330878-90-05 carries order option 05: multiple approvals; final site acceptance for 330878-90-05 must follow the unit marking and applicable certificate.
330878-90-05 is a component of the 3300 XL 50 mm system used for differential or rotor expansion on 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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