FISHER 3800SA Intelligent Valve Positioner HART 4-20 mA Single Acting NAMUR
Product Overview
The Fisher 3800SA is an intelligent digital valve positioner converting a 4-20 mA input into precise pneumatic output for single-acting actuators. It supports HART communication, linkage-less non-contact feedback, a push-button LCD and intrinsically safe NAMUR mounting.
Key Features
Intelligent digital positioner with 4-20 mA input and HART communication
Linkage-less non-contact position feedback for long service life
Push-button calibration with LCD interface
NAMUR / VDI-VDE 3845 and IEC 60534 mounting on single-acting actuators
Intrinsically safe design with rugged aluminum enclosure
Typical Applications
Control valves for natural gas, petrochemical, refining and power generation service.
Selection Guide
Confirm actuator type, stroke or rotation range and instrument air supply before ordering; quote the valve serial number for configuration support.
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