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      Bently Nevada 76683-90
      Bently Nevada 76683-90
      Bently Nevada 76683-90
      Bently Nevada 76683-90
      Bently Nevada 76683-90
      Bently Nevada 76683-90
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      76683-90

      Proximitor Sensor
      In Stock
      Ships by Wednesday, October 7
      Fast Shipping Available

      Product Describe：

      Bently Nevada 76683-90 is a 35 mm Proximitor Sensor in the 7200 Series proximity transducer system. The -90 option requires a 9 m total probe-lead-plus-extension-cable electrical length and supplies proportional dc output for position measurement.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 76683-90

      Technical specifications for 76683-90

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring System
      • Spare Part Number:
        76683-90
      • Estimated shipping dimensions:
        7.8x6x4.8cm
      • Weight:
        0.28 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Product family:
        7200 Series 35 mm Proximity Transducer System
      • Required electrical length:
        9 m total probe lead plus extension cable
      • Calibration range:
        500 mils (12.7 mm), approximately 50 to 550 mils
      • Average scale factor:
        20.00 mV/mil (0.787 V/mm) nominal system value
      • Supply voltage:
        -18 Vdc to -24 Vdc
      • Current draw:
        24 mA maximum with 10 kohm load
      • Output resistance:
        50 ohms
      • Output load:
        Calibrated into a 10 kohm resistive load
      • Frequency response:
        0 to 600,000 rpm, +0/-5%
      • Target calibration:
        AISI E4140 steel
      • System use:
        Shaft alignment, thrust position and differential expansion
      • Proximitor housing:
        A380 aluminum; encapsulated printed-circuit assembly
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Bently Nevada 76683-90 is a 35 mm Proximitor Sensor in the 7200 Series proximity transducer system. The -90 option requires a 9 m total probe-lead-plus-extension-cable electrical length.
      • Conditions the 35 mm eddy-current probe signal
      • Provides proportional dc output for position measurement
      • Uses a documented 9 m electrical cable length
      • Supports controlled calibration and fault isolation

      Use 76683-90 only with the documented 35 mm probe arrangement and preserve the approved cable length, target material and shielding method.

      Important Notice: Verify the exact catalog number, 9 m system arrangement, polarity, target and final response before service release.

      Bently Nevada 76683-90 Manuals & Downloads
      Bently Nevada 76683-90 Technical Reference (PDF)Bently Nevada 76683-90 Installation & Commissioning Guide (PDF)

      These documents are different: the first presents exact-model technical and engineering data; the second provides installation, commissioning and acceptance checks.

      Thrust position
      Tracks axial shaft position using the documented 35 mm transducer system.
      Differential expansion
      Measures relative rotor-to-casing growth on large rotating machinery.
      Shaft alignment
      Provides a proportional dc position signal for alignment observation.
      Controlled replacement
      Restores the exact 76683-90 signal-conditioning position without changing the approved cable length.
      Read the applicable 7200 Series instructions before work. Verify Bently Nevada 76683-90, the 35 mm probe arrangement and the 9 m total electrical cable length.
      1
      Verify the complete 76683-90 nameplate and installed system position before work.
      2
      Place the connected machine and monitoring channel in the approved maintenance state.
      3
      Isolate the documented supply and field wiring before disconnection.
      4
      Record every terminal, cable, shield and companion component.
      5
      Protect the coaxial connection from contamination and mechanical damage.
      6
      Match the documented 9 m system length and AISI E4140 target before energizing.
      7
      Restore power with correct polarity and review the output for open- or short-circuit indications.
      8
      Complete a controlled gap-response test and retain the final acceptance record.

      Technical notes

      Technical notes

      Use only with the documented 35 mm probe arrangement and a 9 m total electrical cable length. Preserve single-point shield grounding and verify calibration against the installed AISI E4140 target.

      FAQS

      • What total cable length is required for Bently Nevada 76683-90?
        Bently Nevada 76683-90 requires 9 m total probe-lead-plus-extension-cable electrical length.
      • What supply is specified for Bently Nevada 76683-90?
        The specified supply range is -18 Vdc to -24 Vdc; polarity must be verified before connection.
      • What measurement range is documented for Bently Nevada 76683-90?
        The documented calibration range is 500 mils (12.7 mm), approximately 50 to 550 mils.
      • What target material is used to calibrate Bently Nevada 76683-90?
        The system data are specified with an AISI E4140 steel target.
      • What output resistance is specified for Bently Nevada 76683-90?
        The documented output resistance is 50 ohms.
      • How should Bently Nevada 76683-90 shielding be grounded?
        Use single-point grounding and ground only one end of each field-wiring shield.
      • What fault output behavior should be checked on Bently Nevada 76683-90?
        An open probe or extension cable drives the output more negative than -16 V; a short drives it near zero.
      • What final acceptance check is required for Bently Nevada 76683-90?
        Verify the exact 9 m system arrangement, polarity, stable gap output and controlled response before service release.
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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      Bently Nevada 76683-90
      Bently Nevada 76683-90
      Bently Nevada 76683-90
      Bently Nevada 76683-90
      Bently Nevada 76683-90
      Bently Nevada 76683-90