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Rpm & Speed Application

Rpm & Speed Rotational detection from magnetic flux leakage
rotation B-1-3 Simultaneous measurement of rotating speed and direction of a fuel pump
 

 

  • This example shows how to make rotating speed measurement and rotation direction determination of a finished fuel pump simultaneously, which is widely used such as in a vehicle. Since the rotating shaft is not come out, it is difficult to make direct measurement by attaching a sensor to the rotating shaft.
    The rotating speed and direction of the motor built in a fuel pump can be measured by the FT-2500 advanced tachometer with the FT-0501 magnetic flux leakage sensor. The FT-0501 attached to the fuel pump detects the magnetic flux leakage, and the FT-2500 performs frequency calculation of the magnetic flux changing periodically.
  • Upper- / lower-limit comparator output function is provided as standard to make OK, LOWER, or UPPER decision in production line use.
  • Enables data transfer by RS-232C.

 


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