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Vibration Instrument Portable Balancer Model-7200A


Portable Balancer Model-7200A is one of VIBRATION INSTRUMENT use for Tracking filter, and type balancer also available as a stroboscopic balancer without a photo sensor. Equipped with a  FFT function and an automatic sampling function as afrequency analyzer and printable on the built-in printer vibration testing.


  • Balancer Model-7200A
  • Extension cable for the pickup 30 meters long (with a cable drum)
  • Electro-dynamic pickup (selectable from S2037F-100, B9200, I-544)
  • Carrying bag
  • Stroboscope
  • Reflective type photosensor (optional)

  • Spesification

    Applicable vibration pickup  

    electro-dynamic vibration velocity pickup
    (Three types of pickup below are selectable by a trim switch.)

  • MODEL-2009

    Sensitivity;10mV/mm/sInput impedance;10kΩ

  • B-9200
  •   Sensitivity;19.7mV/mm/sInput impedance;10kΩ
  • I-544
  •   Sensitivity;2.5mV/mm/sInput impedance;1MΩ
    Vibration pickup input   Channel A or Channel B (selectable)
    Rotational signal input  

    0~5V rise-up signal of 1 pulse per revolution
    For indication of revolution and phase reference of the tracking filter

    AC OUT   Vibration waveform output ±2V/FS Output impedance 100Ω
    Stroboscope output   for the attached stroboscope (turned on and off by a switch)
    Display   Digital LED display and indicators
  • r.p.m. Indication / 500-10,000rpm Resolution 1rpm
  • Indication of FIL OUT vibration value / Overall vibration value
  • Indication of FIL IN vibration value / Filter pass value in Tracking or Man. Tune mode
  • Phase angle indication / 0 to 359 degrees angle between the rise of a revolution pulse and a positive peak of the vibration waveform of the component of revolution
  • LOCK indicator:Lights when the balancer is in synchronism with the revolution signal or the internal oscillator.
  • INPUT SEL indicator / Shows an input channel that is under measurement
  • Unit indicator:Lights to indicate an acceleration, velocity, or displacement
  • Analog meter   0-1 scale over 0-3 scale
  • FIL IN mode
  •   Shows the filter pass value in the Tracking or Man.Tune mode
  • FIL OUT mode
  •   Shows an overall vibration value
    Printer   A built-in thermal printer
  •   Prints out the result of current measurement at any timing

    Captures vibration waveforms, performs FFT on them,
    and prints out the resulting graph and a list of up to five peaks.


    Prints out the result of measurement of a selected channel
    under the specified conditions.

    Range of vibration measuring frequency   10Hz~200Hz(±0.5dB)
    Full scale range (10 dB step)    
  • Displacement
  •   1, 3.16, 10, 31.6, 100 ×1/100mm(P-P)FS
  • Velocity
  •   1, 3.16, 10, 31.6, 100 mm/s (Peak) Full scale
  • Acceleration
  •   1, 3.16, 10, 31.6 ,100 m/s2(Peak) Full scale
    Stroboscopic balancer function

    Flashes at a vibration phase filtered with a frequency of theinternal oscillator as the central frequency. (500-10,000rpm)

    Automatic capture and print function  

    Automatically captures vibration data according to OR of an r.p.m. change pitch and a time lapse pitch and prints out it together with time data.

    Tracking filter function   Automatic tuning with the signal from the revolution sensor by the tracking filter
    Power supply   AC100V±10V, Normally 1A or less, 2A fuse
    Dimensions and weight   (W)300×(H)123×(D)230mm,4.5kg


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