Model HI 803 - Portable Vibration Shaker



Top-of-the-line portable shaker for transducer / accelerometer vibration, verification and calibration. This top-of-the-line Hardy shaker includes more operational functions. In manual mode, the vibration test level and test frequency can be set from 10 Hz to 10,000 Hz. In sensitivity mode, the HI 803 not only vibrates the transducer being tested, but also measures its output and calculates its output sensitivity. A built-in display reads the output sensitivity, which can be stored in memory. Complete testing sequences and data can be stored in memory for each tested sensor, and a built-in printer logs data on the spot or stores it for later. An RS232 port and data transfer program are standard, and ASCI II test data files are easily transferred to a computer. For testing of heavy transducers or at high frequencies, the HI 803 automatically corrects the sensitivity calculation for the effects of transducer mass loading. It also measures and displays transducer phase, which is important in balancing applications. A built-in self test program checks for accuracy of all calculations.

HI 803 portable vibration shakers are designed to be used in the fi eld or shop to verify the performance of vibration transducers, connectors, cabling, instruments or permanently installed condition monitoring systems. Both models are battery-powered, portable and feature a built-in reference accelerometer and indicator with calibration traceable to the National Institute of Standards and Technology (NIST).

These shakers can easily check velocity transducers, accelerometers and non-contacting Eddy Probe displacement measurement systems. Simply attach the transducer to the shaker head (displacement probes require a mounting fi xture and target), set the shaker to a known vibration reference level, and verify readings. The reference test level can be set in acceleration, velocity, or displacement, English or Metric.

  • Actual precision vibration testers
    True and accurate testing of vibration sensors
  • NIST traceable calibration reference
    High-level vibration accuracy
  • Variable frequency and adjustable vibration amplitudes
    Rapid set-up for all vibration conditions
  • Battery operated
    Ability to “take the calibration lab to the field”
  • Loop checks of vibration monitoring systems
  • Verifi cation and testing of velocity transducers, accelerometers, eddy current probes, etc.
  • Troubleshooting of issues in vibration monitoring loops
  • Calibration of portable vibration analyzers
  • Confi rmation of vibration alarms
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