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      24765-01-00

      Case Expansion Transducer Assembly
      In Stock
      Ships by Tuesday, September 22
      Fast Shipping Available

      Product Describe：

      Bently Nevada 24765-01-00 is a dc case-expansion transducer assembly with a 25.4 mm ordered range and no spring return. Its LVDT measures turbine-casing thermal growth relative to the foundation for supervisory monitoring.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 24765-01-00

      Technical specifications for 24765-01-00

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring System
      • Spare Part Number:
        24765-01-00
      • Estimated shipping dimensions:
        25.5x11.5x9cm
      • Weight:
        1.94 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Transducer type:
        dc LVDT case expansion assembly
      • Input power:
        +24 Vdc, 30 mA minimum
      • Ordered range:
        25.4 mm (1.0 in)
      • Linear measurement span:
        +/-12.7 mm (+/-0.5 in)
      • Spring return:
        Without
      • Scale factor:
        0.346 V/mm (8.79 V/in)
      • -3 dB frequency:
        20 Hz
      • Output impedance:
        7 kohm nominal
      • Minimum load resistance:
        50 kohm
      • Linearity:
        +/-0.5% full-range
      • Operating temperature:
        -18 to 71 deg C
      • Housing design:
        NEMA 3
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      This foundation-referenced assembly tracks turbine-casing movement so thermal expansion and sliding-foot behavior can be supervised during operation.
      • Measures turbine-casing thermal growth relative to the fixed foundation
      • Uses an enclosed LVDT and conditioned dc output for monitoring
      • Provides the no-spring-return mechanical arrangement for the selected assembly
      • Supports dual-transducer supervision of sliding-foot behavior

      Mount 24765-01-00 on the foundation at the engineered case-expansion location and connect its rod to the turbine casing without imposing side load. Establish electrical null and verify the full thermal-growth direction before configuring the 3300 or 3500 monitoring channel.

      Important Notice: Confirm 24765-01-00, 25.4 mm range, no-spring construction, foundation bracket, rod alignment, usable travel, +24 Vdc supply, shield and conduit treatment, monitor scaling, null direction and a controlled alarm test.

      Apter Power 24765-01-00 Manuals and Guides

      The first document is a model-specific engineering data reference. The second is a distinct installation and commissioning workbook with field checks and acceptance records.

      Steam-turbine startup supervision
      Tracks casing growth as the machine heats during controlled startup.
      Sliding-foot obstruction detection
      Uses a dual-transducer arrangement to identify unequal case movement that may indicate a jammed foot.
      Rotor-to-casing growth comparison
      Supports observation of differential thermal growth that can precede rubbing.
      Case-expansion alarm integration
      Feeds a compatible 3300 or 3500 position-monitoring channel for display and alarms.
      Read the applicable Bently Nevada installation information before work. Verify 24765-01-00 and the installed Case Expansion Transducer Assembly configuration before isolation, wiring or commissioning.
      1
      Confirm the full 24765-01-00 marking, 1.0 in range and no-spring option.
      2
      Isolate the dc supply and monitoring channel before mechanical work.
      3
      Verify the foundation bracket and casing connection point against the drawing.
      4
      Align the rod to prevent side load, binding or loss of usable travel.
      5
      Confirm the plunger starts within the required measurement span.
      6
      Check supply polarity, signal conductors, shielding and conduit entry.
      7
      Establish electrical null and verify increasing-growth direction at the monitor.
      8
      Perform a controlled movement check and confirm alarms before turbine release.

      Technical notes

      Technical notes

      Mount 24765-01-00 on the foundation at the engineered case-expansion location and connect its rod to the turbine casing without imposing side load. Establish electrical null and verify the full thermal-growth direction before configuring the 3300 or 3500 monitoring channel.

      FAQS

      • What do the option codes specify for 24765-01-00?
        The -01 range option is 25.4 mm and the -00 spring option means without spring return.
      • What does 24765-01-00 measure?
        Its LVDT measures machine-case thermal growth relative to the foundation.
      • Where is 24765-01-00 typically mounted?
        The system is typically mounted on the foundation opposite the turbine casing's fixed end.
      • Why is rod alignment important for 24765-01-00?
        Side load or binding can restrict travel and distort the reported case-expansion signal.
      • Which monitoring systems can use 24765-01-00?
        The datasheet describes use with compatible 3300 or 3500 monitor arrangements.
      • Why may two transducers be used with 24765-01-00?
        A dual arrangement indicates the position of both sliding feet and can reveal unequal or obstructed movement.
      • How should zero be established for 24765-01-00?
        Set mechanical position and electrical null according to the installation geometry, then confirm signal direction with controlled movement.
      • What should be checked after replacing 24765-01-00?
        Verify range and spring codes, rod alignment, supply, signal polarity, null, travel and alarm response.
      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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