Fisher 846 Electro-Pneumatic Transducer

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Product number 846
Producer Fisher

Description: 846 ( Fisher )

Fisher 846 Electro-Pneumatic Transducer



Product Name: Fisher 846 Electro-Pneumatic Transducer
Product Brand: Fisher
Product Code: 846
Product Artikel: Fisher 846 Electro-Pneumatic Transducer
The Fisher 846 transducer converts an electrical output signal from a controller to a pneumatic signal necessary to operate a control valve actuator or pneumatic positioner. Using electronic feedback, the transducer can correct for error-producing effects, such as variations in supply pressure and downstream leakage. Features The low-mass pilot stage, mechanically damped deflector bar, and rugged construction provide stable performance in vibration. Large diameter nozzles, free-flow pilot stage design, and large internal pneumatic supply passages provide excellent tolerance to reducing the effects of contaminant build-up and erosion. The electronic feedback control network monitors the pneumatic output signal, detects any input-output deviations and corrects them. Major mechanical and electrical components are incorporated into a single field-replaceable master module. With Stroke Port, a constant bleed from the pilot stage vents through a hole in the module cover. Covering the hole increases the transducer output to confirm the proper operation of the pilot and booster stages and stroke the actuator.

Fisher 846 Electro-Pneumatic Transducer

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