Fisher DVC2000 Smart Digital Valve Positioner HART 4-20mA for Pneumatic Actuators
製品の説明
Product Overview The Fisher DVC2000 is a communicating, microprocessor-based current-to-pneumatic valve positioner. It converts a 4-20 mA control signal into a pneumatic output to drive a single-acting pneumatic actuator. The unit retrofits easily in place of existing analog positioners. The linkage-less feedback system uses magnetic sensing technology — no mechanical contact between the valve stem and the controller, so there are no wearing parts. The instrument has a local
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