Detection  of a pump or power vent machine direction, the leakage.

  Detection of help or direction of pump assembly machine, internal control valve tightness testing.

   Detection of the direction of free travel machine, space and the total number of laps.

   Help detect the direction of pump or whether the emphasis on machine power, the wind, the issue of credit cards is trembling or a heavy man.

  Help detect the direction of pump or power output torque.