This free space radar level instrument for process applications is suitable for use in tanks or silos with complex geometries, obstacles, baffles and/or nozzles. Its small beam angle of only 3 º provides level measurement at distances up to 410 feet with accuracy to ±1 mm. Outputs include 4-20 mA with HART and an optional open collector switch output or two 4-20 mA outputs. The device features reduced tank wall effects, less interference from obstacles, and the ability to measure lower dielectric media. Its process connection, as small as 3/4 inch, allows for installation in tanks with small process connections, in tall nozzles, and through ball valves. The instrument’s antenna is designed to resist sticky buildup and condensation. Built-in mapping performs false echo suppression, easing commissioning. Developed in accordance with IEC 61508 and with international XP approvals, the unit is suitable for use in SIL 2 and SIL 3 hazardous locations. Additionally, it uses Heartbeat Technology for on-demand verification without process interruption, Heartbeat SIL proof test complete with a proof test report, and Heartbeat Monitoring with fast and easy wizards for foam or buildup detection.
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