New Original Bently Nevada 3500/72M-01-00 140471-01 Reciprocating Rod Position Monitor in Stock

The Bently Nevada 140471-01 is a Prox/Velom I/O Module with Internal Terminations designed for the 3500/42M Proximitor/Seismic Monitor in the 3500 Machinery Protection System . It serves as the rear-rack interface between field-mounted proximity probes, accelerometers, and Velomitor sensors and the front-facing 3500/42M monitor module. 

  • Item No :

    140471-01
  • Order(MOQ) :

    1 Piece
  • Payment :

    EXW/CIF
  • Product Origin :

    USA
  • Shipping Port :

    Wuhan
  • Lead Time :

    3-5days
  • Weight :

    3kg
  • Product Details

     
     
    Specification Description
    Manufacturer Bently Nevada (Baker Hughes)
    Model 140471-01
    Product Family 3500/42M Proximitor/Seismic Monitor
    Product Type Prox/Velom I/O Module (Internal Terminations) 
    Compatible Monitor 3500/42M Proximitor/Seismic Monitor (main card 176449-02) 
    Number of Channels 4 independent input channels 
    Supported Sensors Proximity probes (eddy-current), accelerometers, Velomitor (velocity) 
    Probe Excitation -18 V / -24 V proximitor excitation power 
    Input Impedance 10 kΩ 
    Measurement Functions Radial vibration, thrust position, differential expansion, eccentricity, REBAM, acceleration, velocity, shaft absolute 
    Termination Type Internal Terminations (built-in screw terminals) 
    Operating Temperature -30°C to +65°C (-22°F to +150°F) 
    Storage Temperature -40°C to +85°C (-40°F to +185°F) 
    Dimensions (H x W x D) 241.3 mm × 24.4 mm × 99.1 mm 
    Weight Approx. 0.20 kg (0.44 lb) 
    Rack Space 1 full-height rear slot 
    Compliance API 670 
    Country of Origin USA 

    Related Product Model Recommendations

     
     
    Model Description Typical Application
    140471-01 (this model) Prox/Velom I/O Module with Internal Terminations Standard 3500/42M monitoring with internal rack wiring 
    140482-01 Prox/Velom I/O Module with External Terminations Applications requiring external wiring access
    128229-01 Prox/Seismic I/O Module with Internal Terminations (older revision) Legacy 3500/42M systems (superseded by 140471-01) 
    135489-04 Prox I/O Module with Internal Barriers Hazardous area (intrinsically safe) applications
    176449-02 3500/42M Proximitor/Seismic Monitor (main card) Companion front card for the 140471-01 
    3500/42M-09-00 Complete Prox/Velom Monitor assembly Standard configuration with 140471-01 I/O 

    FAQs

    Q1: What is the primary function of the 140471-01?

    It is the rear I/O module for the 3500/42M Proximitor/Seismic Monitor. It serves as the direct hardware interface linking external proximity probes, accelerometers, and Velomitor sensors to the front-facing monitor. It provides sensor excitation power, receives raw analog signals, and routes them to the main processor card for computation of machinery metrics like radial vibration, thrust position, eccentricity, and REBAM .

    Q2: What is the difference between 140471-01 and 128229-01?

    The 140471-01 is the new-generation Prox/Velom I/O module with improved anti-vibration design and optimized terminal mechanical structure. The 128229-01 is the older revision Prox/Seismic I/O module. The 140471-01 effectively mitigates intermittent contact faults that frequently occurred on old-revision hardware under long-term cabinet vibration .

    Q3: Can the 140471-01 be used in hazardous areas?

    No, not directly. The 140471-01 is a non-barrier I/O module and is not suitable for direct wiring to hazardous-area explosive-classified field loops. For hazardous area applications, an I/O module with internal barriers (such as 135489-04) is required .

    Q4: Is the 140471-01 hot-swappable?

    Yes, but with precautions. The module supports hot-swap capability, but before pulling or inserting the module, bypass active alarms or activate the Rack Bypass switch to prevent temporary switching transients from accidentally tripping machinery during the swap.

    Q5: What is the difference between the 3500/42M-01-00 and 3500/42M-09-00 configurations?

    The -01-00 uses the 128229-01 Prox/Seismic I/O Module. The -09-00 uses the 140471-01 Prox/Velom I/O Module, optimized for Prox/Accel/Velomitor sensor combinations . Both share the same 176449-02 main monitor card and support 4 channels.

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