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      3500/42E

      Proximitor/Seismic Monitor
      In Stock
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      Proximitor/Seismic Monitor
      Direct filter:-3 dB at 1.2 Hz
      Gap filter:-3 dB at 0.41 Hz
      Smax:Within ±5% maximum

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      Technical specifications for 3500/42E

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring Systems
      • Spare Part Number:
        3500/42E
      • Estimated shipping dimensions:
        5.5x29x23cm
      • Weight:
        1.26 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Output Impedance:
        550 Ω
      • Transducer Power Supply:
        -24 Vdc
      • Shaft Absolute Output Impedance:
        300 Ω
      • Power consumption:
        7.7 watts, typical
      • Operating Temperature:
        -30°C to +65°C (-22°F to +150°F)
      • Storage Temperature:
        -40°C to +85°C (-40°F to +185°F)
      • Relative Humidity:
        95%, non-condensing
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      Information

      Overview Manuals Common Applications Product Precautions
      The 3500/42E is a high-performance, 4-channel displacement/velocity/acceleration monitor, part of the 3500 series of mechanical protection systems. It is used to continuously monitor the vibration status of industrial rotating machinery, ensuring safe equipment operation.
        • Radial Vibration
        • Thrust Position
        • Differential Expansion
      The 3500/42E Vibration Monitor is a 4-channel monitor that accepts input from proximity and seismic transducers, conditions the signal to provide various vibration and position measurements, and compares the conditioned signals with user-programmable alarms.The Bently Nevada 3500/42E is a high-performance, four-channel monitor designed to provide continuous, high-precision machinery protection within the 3500 System rack. It offers exceptional versatility by accepting inputs from both proximity transducers and seismic transducers, such as accelerometers or velocity sensors.By delivering accurate, real-time data and robust alarm logic, the 3500/42E ensures the operational integrity and safety of critical rotating assets like turbines, compressors, and large motors.

      Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. 
       Bently Nevada 3500/42E Proximitor/Seismic Monitor Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
      Thermal Power
      Monitoring shaft vibration and thrust position of steam turbine generators.

      Petrochemical
      Monitoring centrifugal compressors and hot oil pumps to prevent unplanned downtime.

      Hydropower
      Monitoring the swing (radial vibration) and guide bearing status of hydro-turbines.

      Steel & Metallurgy
      Monitoring the mechanical health of blast furnace blowers and large exhaust fans.

      Chemical Industry
      Ensuring the continuous operational safety of reactor agitators and specialized pump sets.

      Nuclear Power
      Monitoring high-precision vibration data for main feedwater and coolant pumps.

       When using the 3500/42E, the primary priority is to ensure that input signal types (e.g., proximity or seismic) perfectly match the software configuration and rear I/O modules, with installation gap voltages strictly set within the linear range. Regularly verify transducer OK status and wiring integrity to prevent false alarms.Furthermore, exercise caution during live system operations and ensure that alarm interlocking logic is correctly switched to Bypass mode during maintenance to avoid costly accidental machinery shutdowns.

      FAQ View All FAQ

      • What is the 3500/42E monitor?
        It is a 4-channel machinery protection monitor that accepts inputs from proximity or seismic transducers.
      • What parameters does the 3500/42E mainly measure?
        It measures radial vibration, thrust position, differential expansion, eccentricity, and casing vibration.
      • How to use the 3500/42E product?
        Insert it into a 3500 rack, connect the rear I/O module, and configure channel types and alarm setpoints via software.
      • How many channels does the 3500/42E support?
        Each module supports four independently configurable monitoring channels.
      • How does the alarm function of 3500/42E work?
        It compares real-time signals with preset Alert and Danger limits to trigger logic outputs.
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