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      21504-00-12-10-02

      8 mm Proximity Probe
      Ships by Friday, November 6
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      Bently Nevada 21504-00-12-10-02 is a 7200 Series 8 mm standard-mount proximity probe with a 3/8-24 case thread, 1.2 in case and 1.0 m integral lead.
      • Manufacturer part number
        21504-00-12-10-02
      • Shipping
        Swift global dispatch
      • Condition
        New, original product
      • Shipping size (est.)
        1.5cm x 1.3cm x 120cm
      • Country of Origin
        USA

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      What happens after you enquire

      • 0

        Review your reference

        Send the complete 21504-00-12-10-02 marking and the installed 7200 Series 8 mm proximity transducer system configuration with your enquiry.
      • 1

        Confirm the offer

        Check that the quotation identifies 21504-00-12-10-02 and specifies the supplied assembly, fittings and accessories.
      • 2

        Arrange dispatch

        Confirm the delivery details and receive a tracking reference when shipment is arranged.

      • Match the complete marking

        Include 21504-00-12-10-02 and the visible revision or assembly identity in your enquiry. Keep the full reference on the quotation.

      • Check the offered item before ordering

        Request available label and connector photos. Have your maintenance team compare the offered 21504-00-12-10-02 with the installed equipment and applicable Bently Nevada documentation.

      Technical specifications for 21504-00-12-10-02

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring Systems
      • Spare Part Number:
        21504-00-12-10-02
      • Weight:
        0.05 kg
      • Tariff Code:
        8537101190
      • Probe family:
        7200 Series 8 mm
      • Mounting thread:
        3/8-24 UNF
      • Lead armor:
        none
      • Unthreaded length:
        0.0 in
      • Overall case length:
        1.2 in
      • Integral lead:
        1.0 m nominal
      • Connector:
        miniature male coaxial
      • System length:
        match probe, extension cable and Proximitor
      View as PDF Ask for Quote

      Information

      Overview Downloads Applications / Compatibility Product Precautions
      • Bently Nevada 21504-00-12-10-02. The 21504 probe senses shaft-to-tip distance as the front end of a 7200 Series proximity transducer chain.
      System identification: Light-yellow color coding for the 7200 5/8 mm family
      Monitor interface: Matched 7200 8 mm system supported by 1900/65A channels
      The 21504 is the 8 mm, unarmored, standard-mount probe in a 7200 eddy-current transducer system. The Proximitor drives a radio-frequency signal through the probe; its conditioned return signal represents the noncontact gap to a conductive shaft target for static position and dynamic vibration measurement.

      Its 3/8-24 UNF case has a 0.0 in unthreaded section and a 1.2 in overall length. Options 10 and 02 select a nominal 1.0 m integral lead and miniature male coaxial connector. The manufacturer's 8 mm probe construction uses PPS, and the probe and extension-cable operating range is -34 °C to +177 °C.

      A matched probe lead, extension cable and Proximitor form a 5 m or 9 m calibrated system. The documented 7200 system has a 2.0 mm (80 mil) linear range beginning about 0.25 mm from the target, a 7.87 V/mm (200 mV/mil) scale factor within its stated calibration conditions, and a 0 to 10 kHz frequency response with -5% at 10 kHz. These performance values describe the complete system.
      Installed-system reference: 7200 Series 8 mm proximity transducer system. Match the nominal 1.0 m lead and coaxial connector to the installed 7200 transducer chain.
      Technical downloads for Bently Nevada 21504-00-12-10-02: selected original manufacturer pages and a model-specific Apter Power installation guide.
      The technical reference preserves selected original manufacturer pages. The installation guide is prepared by Apter Power for this exact model; apply site procedures and the original equipment documentation during work.
      Measurement application: Bently Nevada 21504-00-12-10-02 is an 8 mm 7200-series proximity probe for noncontact shaft motion measurement. In a matched 7200 transducer system, the probe-to-target gap provides relative vibration or position information.

      Compatibility scope: The 3/8-24 UNF case, 1.2 in overall length, unarmored 1.0 m lead and miniature male coaxial connector must match the installed bracket and extension cable. System performance belongs to the complete probe, cable and Proximitor chain.
      Installation and commissioning checks for Bently Nevada 21504-00-12-10-02. Match the 7200 transducer chain before setting the sensing gap.
      Machine isolation

      Make the machine and monitor channel safe before adjusting the probe. Record the previous mounting depth and reference gap.

      Thread and locknut

      Check the 3/8-24 UNF opening and locknut against the installed bracket. Confirm that the 1.2 in case can be secured at the required depth.

      Target clearance

      Inspect the shaft target and expected movement envelope before setting the tip. Leave the specified clearance at the extremes of travel.

      Lead protection

      Route the unarmored 1.0 m lead clear of hot or sharp surfaces. Avoid tension at the probe exit and at the miniature coaxial connector.

      Connector and cable

      Keep the miniature male coaxial connection clean and dry. Pair the probe with the specified extension cable and Proximitor for the intended total system length.

      Gap verification

      Set and verify the static gap under the approved procedure. Check the resulting channel voltage and signal response before machine release.

      Alternative Names

      2150400121002 Bently Nevada 21504-00-12-10-02

      Technical notes

      Probe configuration: Options 00 / 12 / 10 / 02 select a flush section, 1.2 in case, nominal 1.0 m lead and miniature coaxial connector.

      System boundary: Sensing performance applies to the calibrated probe, extension cable, Proximitor and target arrangement.

      Technical reference: Bently Nevada 7200 Proximity Transducer Systems, 5 mm and 8 mm Technical/Ordering Information.

      FAQ View All FAQ

      • Which sensing system uses 21504-00-12-10-02?
        It is a 7200 Series 8 mm proximity probe intended for a matched transducer chain.
      • What is the mounting thread on 21504-00-12-10-02?
        The 21504 standard-mount case uses a 3/8-24 UNF thread.
      • Does 21504-00-12-10-02 have an unthreaded section?
        The 00 option selects 0.0 in unthreaded length.
      • What case length is selected for 21504-00-12-10-02?
        The 12 option selects a 1.2 in overall case length.
      • How long is the lead on 21504-00-12-10-02?
        Code 10 selects a nominal 1.0 m integral probe lead.
      • Is the lead of 21504-00-12-10-02 armored?
        The 21504 probe family has no stainless steel lead armor.
      • Which connector is supplied on 21504-00-12-10-02?
        The final 02 selects a miniature male coaxial connector.
      • Does 21504-00-12-10-02 operate as a complete calibrated transducer alone?
        The probe requires the appropriate extension cable and 7200 Proximitor to form the calibrated measuring system.
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