The units work in metal or plastic tanks, stilling wells or other vessels up to 131 feet high with accuracy up to ±0.078 inch using multi-echo tracking algorithms and functions to suppress interference echoes, or to 197 feet with enhanced dynamics option. It can be used to measure level or volume with a built-in 32-point strapping table. The instrument can also be used to detect minimum or maximum levels to prevent overfilling or empty tanks in addition to continuous monitoring of the level. Transmitters can be loop powered by 4-20 mA in a two-wire arrangement, and are available in a four-wire configuration. Communication options include HART, Profibus PA and Foundation Fieldbus. Transmitter are also available with two independent configurable 4-20 mA outputs. Advanced diagnostic algorithms can be used for either build-up or foam detection with either the switch or additional 4-20 mA output. The trasmitters were developed to SIL2 according to IEC 61508 and can be used with homogeneous redundancy up to SIL3. The units feature continuous self-monitoring, and a recurring check or proof test can be done in-situ without removing the transmitter from the process. Suggested applications are in the chemical, oil & gas, life science, food, water/wastewater and energy industries.
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Endress+Hauser, Inc.
www.us.endress.com
888.363.7377
