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      3500/42M 140734-02

      Proximitor Seismic Monitor

      Product Information

      Product Describe

      3500/42M Proximitor Seismic Monitor

      Bently Nevada Machinery Condition Monitoring

      Proximitor Seismic Monitor is a four-channel monitor

      Proximitor Seismic Monitor

      • Manufacturer:
        Bently Nevada
      • Product Category:
        TSI System
      • Spare Part Number:
        140734-02
      • Estimated shipping dimensions:
        24.13 x 2.44 x 16.31 cm
      • Weight:
        0.46 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Signal:
        Accepts from 1 to 4 proximity, velocity or acceleration transducer signals
      • Power consumption:
        7.7 watts, typical
      • Input Impedance of Standard I/O:
        10 kΩ (Proximitor and acceleration inputs)
      • Output Impedance:
        550 Ω
      • Transducer Power Supply:
        -24 Vdc
      • Recorder:
        +4 to +20 mA
      • Stock:
        50
      By purchasing this item, you agree to the Terms & Conditions
      Moore Automated is NOT an authorized distributor of Bently Nevada
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          FAQ

          • What is the fundamental monitoring function of the 3500/42M 140734-02 within the Bently Nevada machinery protection system?
            The 3500/42M 140734-02 is a four-channel Proximitor/Seismic Monitor designed to continuously acquire and condition signals from proximity, velocity, or acceleration transducers for protective vibration, shaft position, and seismic diagnostics within rotating machinery systems.
          • How does the 140734-02 module accommodate multiple transducer types and what input range does it support?
            140734-02 accepts 1–4 input signals from proximity probes, velocity transducers, or accelerometers, with standard input impedance of 10 kΩ for each channel (and an effective 50 kΩ impedance when using TMR I/O bussed in parallel), facilitating versatile instrument interoperability.
          • What are the typical sensitivity and measurement ranges provided by the 140734-02 for vibration and positional signals?
            For vibration and position measurements, 140734-02 delivers sensitivities such as 3.94 mV/μm (100 mV/mil) or 7.87 mV/μm (200 mV/mil) for radial vibration and shaft position, 0.394 mV/μm or 0.787 mV/μm for differential expansion, and up to 80 mV/μm for REBAM® analysis.
          • How is measurement accuracy characterized for the 140734-02 across its operational parameters?
            Across major measurement functions (direct, gap, 1X, 2X, thrust, differential expansion), 140734-02 exhibits typical accuracy of ±0.33 % of full scale and a maximum of ±1 %, ensuring high fidelity of diagnostic data for protective and maintenance decision making.
          • How does 140734-02 communicate measurement and diagnostic information to plant control and protection systems?
            140734-02 provides buffered transducer outputs with 550 Ω impedance, +4 to +20 mA recorder outputs proportional to full-scale readings, and front-panel status LEDs (OK, TX/RX, Bypass). These interfaces support integration with rack backplanes and supervisory systems for alarm responses and trending.
          • How does 140734-02 support maintenance and operational personnel with actionable condition monitoring data?
            By delivering accurate conditioned signals, alarm states, and proportional outputs for each monitored channel, 140734-02 enables both operators and maintenance engineers to assess machinery health, interpret dynamic behavior, and initiate timely corrective actions before catastrophic failures occur.

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