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      Bently Nevada 3500/42M 128240-01
      Bently Nevada 3500/42M 128240-01
      Bently Nevada 3500/42M 128240-01
      Bently Nevada 3500/42M 128240-01
      Bently Nevada 3500/42M 128240-01
      Bently Nevada 3500/42M 128240-01
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      3500/42M 128240-01

      Four-channel Proximitor/Seismic monitor component
      In Stock
      Ships by Wednesday, October 7
      Fast Shipping Available

      Product Describe：

      The Bently Nevada 3500/42M is a four-channel Proximitor/Seismic Monitor that accepts proximity, velocity or acceleration signals for shaft and casing vibration, position and combined shaft-absolute measurements.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 3500/42M 128240-01

      Technical specifications for 3500/42M 128240-01

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring System
      • Spare Part Number:
        3500/42M 128240-01
      • Estimated shipping dimensions:
        2.3x11x24.1cm
      • Weight:
        0.4 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Exact I/O identity:
        External terminations; Seismoprobe channel type
      • Channels:
        1 to 4 proximity, velocity or acceleration inputs
      • Power consumption:
        7.7 W typical
      • Standard Prox/Accel input impedance:
        10 kOhm
      • Transducer supply:
        -24 Vdc nominal
      • Buffered-output impedance:
        550 Ohm
      • Recorder output:
        4-20 mA per channel
      • Recorder load:
        0 to 600 Ohm
      • Recorder update:
        100 ms or less
      • Channel programming:
        Pairs may use separate or identical configurations
      • Measurement types:
        Radial vibration, REBAM, thrust, acceleration, differential expansion, shaft absolute, eccentricity and velocity
      • Operating temperature:
        -30 to +65 degrees C
      • Storage temperature:
        -40 to +85 degrees C
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Bently Nevada 3500/42M 128240-01 is the documented four-channel proximitor/seismic monitor component for the 42M product family.
      • Accepts one to four proximity, velocity or acceleration transducer signals.
      • Supports radial vibration, thrust, acceleration, velocity and shaft-absolute measurements.
      • Programs channels in pairs with separate or identical measurement configurations.
      • Provides buffered transducer and 4-20 mA recorder outputs for commissioning and trending.

      Install 3500/42M 128240-01 only with the documented 42M front/rear module, termination hardware, transducers and approved 3500 rack configuration. Commissioning covers identity, signal path, scaling, alarms and controlled response.

      Important Notice: Confirm the complete 3500/42M 128240-01 identity, installed interfaces, approved configuration and final functional acceptance record before service release.

      Bently Nevada 3500/42M 128240-01 Manuals & Downloads
      Bently Nevada 3500/42M 128240-01 Technical Reference (PDF)Bently Nevada 3500/42M 128240-01 Installation & Commissioning Guide (PDF)

      Important Notice: The first document presents exact-model technical data and engineering questions. The second provides a separate model-specific installation, configuration and acceptance workflow.

      Shaft-relative vibration
      Use proximity inputs for radial shaft vibration and position channels.
      Casing seismic vibration
      Use the documented seismic transducer type for velocity or acceleration measurements.
      Shaft-absolute vibration
      Combine compatible shaft-relative and casing signals in the configured channel pair.
      Machine-position measurements
      Apply thrust, eccentricity or differential-expansion channel types as documented.
      Read the applicable Bently Nevada installation instructions before work. Verify 3500/42M 128240-01, its installed system arrangement and configured interfaces before commissioning.
      1
      Confirm the exact I/O module and its transducer population before replacement.
      2
      Preserve paired-channel assignments when moving or restoring the module.
      3
      Match proximity, Seismoprobe, Velomitor or accelerometer wiring to the selected input type.
      4
      Verify transducer sensitivity and supply requirements before energizing.
      5
      Review gap, bias and buffered outputs before accepting the processed measurement.
      6
      Keep recorder loads within 0-600 Ohm and verify output scaling.
      7
      Function-test Alert, Danger and Not-OK paths with controlled signals.
      8
      Record final channel type, filter, full scale, alarm setpoints and acceptance response.

      Technical notes

      Technical notes

      Confirm the exact I/O module and its transducer population before replacement. Record final channel type, filter, full scale, alarm setpoints and acceptance response.

      FAQS

      • Which transducer type is documented for 3500/42M 128240-01?
        128240-01 is the external-termination Seismoprobe I/O variant; the datasheet notes other transducer types are supported but not recommended for this code.
      • What external hardware must be retained with 3500/42M 128240-01?
        Keep the correct external termination block, interconnect cable and Seismoprobe field wiring with the I/O module.
      • How should seismic velocity scaling be confirmed for 3500/42M 128240-01?
        Match the selected channel type and transducer sensitivity to the installed Seismoprobe, then verify a controlled velocity response.
      • Why is channel-pair documentation important for 3500/42M 128240-01?
        The monitor programs channels in pairs even when each channel has a separate measurement configuration.
      • What recorder-interface check applies to 3500/42M 128240-01?
        Confirm 4-20 mA scaling, 0-600 Ohm load and 100 ms or faster update for each active output.
      • How can a temporary instrument affect tests on 3500/42M 128240-01?
        Respect the 550 Ohm buffered-output impedance and avoid loading that changes the observed transducer signal.
      • Which field checks precede alarm verification on 3500/42M 128240-01?
        Verify external block identity, cable continuity, shielding, sensor orientation and buffered output before testing processed alarms.
      • What acceptance record closes work on 3500/42M 128240-01?
        Retain the Seismoprobe identity, external termination path, sensitivity, filter, full scale, recorder scaling and alarm results.
      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 3500/42M 128240-01
      Bently Nevada 3500/42M 128240-01
      Bently Nevada 3500/42M 128240-01
      Bently Nevada 3500/42M 128240-01
      Bently Nevada 3500/42M 128240-01
      Bently Nevada 3500/42M 128240-01