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      Bently Nevada 3500/40M 125680-01
      Bently Nevada 3500/40M 125680-01
      Bently Nevada 3500/40M 125680-01
      Bently Nevada 3500/40M 125680-01
      Bently Nevada 3500/40M 125680-01
      Bently Nevada 3500/40M 125680-01
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      3500/40M 125680-01

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

      Product Describe：

      The Bently Nevada 3500/40M is a four-channel Proximitor Monitor for proximity-based vibration and position measurements including radial vibration, thrust position, eccentricity, differential expansion and REBAM.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 3500/40M 125680-01

      Technical specifications for 3500/40M 125680-01

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring System
      • Spare Part Number:
        3500/40M 125680-01
      • Estimated shipping dimensions:
        2.5x11.2x24.2cm
      • Weight:
        0.38 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Exact I/O identity:
        Internal-termination I/O module
      • Channels:
        1 to 4 proximity-transducer inputs
      • Power consumption:
        7.7 W typical
      • Standard input impedance:
        10 kOhm
      • Radial/thrust/eccentricity sensitivity:
        3.94 or 7.87 mV per micrometre
      • Differential-expansion sensitivity:
        0.394 or 0.787 mV per micrometre
      • REBAM sensitivity:
        40 or 80 mV per micrometre
      • Transducer supply:
        -24 Vdc nominal
      • Buffered-output impedance:
        550 Ohm
      • Recorder output:
        4-20 mA proportional to full scale
      • Direct filter selections:
        4-4000 Hz or 1-600 Hz, channel dependent
      • Typical accuracy:
        +/-0.33% of full scale
      • Maximum accuracy error:
        +/-1% of full scale
      • Operating temperature:
        -30 to +65 degrees C
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Bently Nevada 3500/40M 125680-01 is the documented four-channel proximitor monitor component for the 40M product family.
      • Accepts one to four proximity-transducer signals.
      • Supports radial vibration, thrust, eccentricity, differential expansion and REBAM channel types.
      • Provides buffered transducer outputs and 4-20 mA recorder outputs.
      • Compares conditioned measurements with configurable Alert and Danger setpoints.

      Install 3500/40M 125680-01 only with the documented 40M 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 3500/40M 125680-01 identity, installed interfaces, approved configuration and final functional acceptance record before service release.

      Bently Nevada 3500/40M 125680-01 Manuals & Downloads
      Bently Nevada 3500/40M 125680-01 Technical Reference (PDF)Bently Nevada 3500/40M 125680-01 Official Datasheet (PDF)

      Important Notice: The first document is an exact-model technical reference. The second is the unmodified official manufacturer family datasheet used for installation limits and technical evidence.

      Radial shaft vibration
      Condition proximity-probe dynamic motion for machinery-protection alarming.
      Thrust position
      Monitor axial position with a matched proximity system and configured alarm limits.
      Differential expansion
      Measure relative thermal growth using the documented paired-channel configuration.
      Eccentricity or REBAM
      Apply the appropriate sensitivity and filtering to slow-roll or bearing measurements.
      Read the applicable Bently Nevada installation instructions before work. Verify 3500/40M 125680-01, its installed system arrangement and configured interfaces before commissioning.
      1
      Identify the exact I/O type and termination method before disturbing field wiring.
      2
      Match every channel to its documented proximity probe, extension cable and Proximitor Sensor.
      3
      Restore transducer sensitivity and channel type before setting alarm values.
      4
      Verify gap voltage and buffered output before accepting dynamic measurements.
      5
      Keep recorder wiring within the 4-20 mA load specification and preserve grounding.
      6
      Confirm selected filters and full-scale ranges against the machine configuration.
      7
      Run a controlled functional test of Alert, Danger and Not-OK behavior.
      8
      Archive final gap, scale, alarm and recorder-output results before return to service.

      Technical notes

      Technical notes

      Identify the exact I/O type and termination method before disturbing field wiring. Archive final gap, scale, alarm and recorder-output results before return to service.

      FAQS

      • Why must internal terminal numbers be preserved when replacing 3500/40M 125680-01?
        This exact I/O variant terminates field circuits internally, so the installed channel-to-terminal mapping must be captured before removal.
      • Which measurement families can the 3500/40M assembly using 3500/40M 125680-01 support?
        Documented types include radial vibration, thrust position, eccentricity, differential expansion and REBAM.
      • How is proximity sensitivity selected for channels connected through 3500/40M 125680-01?
        Choose the configured sensitivity for the actual proximity system; radial, thrust and eccentricity use documented 3.94 or 7.87 mV per micrometre options.
      • What gap-related check should precede alarm testing on 3500/40M 125680-01?
        Verify probe gap or bias and the buffered transducer output before accepting processed vibration or position values.
      • Which direct-filter choices may appear with 3500/40M 125680-01?
        The datasheet identifies 4-4000 Hz and 1-600 Hz direct-filter selections depending on the configured channel type.
      • What accuracy envelope should be used to review a channel using 3500/40M 125680-01?
        The published reference is +/-0.33% typical and +/-1% maximum of full scale under the stated conditions.
      • How is the recorder output from 3500/40M 125680-01 verified?
        Check the 4-20 mA signal against the configured full scale and confirm the field circuit preserves the approved grounding path.
      • Which results close an internal-termination replacement of 3500/40M 125680-01?
        Record terminal identity, probe system, gap, sensitivity, filter, full scale, alarms and recorder response for every active channel.
      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 3500/40M 125680-01
      Bently Nevada 3500/40M 125680-01
      Bently Nevada 3500/40M 125680-01
      Bently Nevada 3500/40M 125680-01
      Bently Nevada 3500/40M 125680-01
      Bently Nevada 3500/40M 125680-01