CONTROLLER INSTRUMENT

FISHER
CONTROLLER
INSTRUMENT

fisher-546-series-electro-pneumatic-transducers

Fisher Controller and Instrument

Fisher 546 Series Electro-Pneumatic Transducers

Fisher 546, 546S, and 546NS transducers receive a direct-current input signal and use a torque motor, nozzle-flapper, and pneumatic relay to convert the signal to a proportional pneumatic output signal. Nozzle pressure, which operates the relay, is also piped to the torque motor feedback bellows. This provides a comparison between input signal and nozzle pressure and corrects errors in nozzle pressure.

Features
  • Screw driver adjustments for span and zero are conveniently located and have arrows indicating rotation to increase.
  • Fisher 546 Series no additional are parts required to reverse action.
Communication Protocol 4-20mA Analog
Input Signal Electric
Supply Media Air

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