World’s first wired HART vi­brat­ing fork level de­tec­tor

DEMM Engineering & Manufacturing - - PRODUCT WATCH - en­quiry #170305b

Emer­son Au­to­ma­tion So­lu­tions has launched the Rose­mount 2140, say­ing it is the world’s first wired HART vi­brat­ing fork level de­tec­tor. Of­fer­ing en­hanced ease- of-use, smart di­ag­nos­tics, and re­mote proof-test­ing ca­pa­bil­ity, the de­vice pro­vides re­li­able level de­tec­tion while help­ing in­crease safety and ef­fi­ciency of both plant and work­ers.

The Rose­mount 2140 per­forms in ap­pli­ca­tions with high tem­per­a­tures and harsh con­di­tions un­suit­able for other level mon­i­tor­ing de­vices and, says Emer­son, it is easy to in­stall and main­tain as there are no mov­ing parts. The de­vice is vir­tu­ally un­af­fected by flow, bub­bles, tur­bu­lence, foam, vi­bra­tion, sed­i­ments con­tent, coat­ing, liq­uid prop­er­ties and prod­uct vari­a­tions. It can be used to mon­i­tor not only liq­uids but also liq­uid-to- sand in­ter­face, which en­ables the build-up of sand or sludge de­posits in a tank to be de­tected.

Com­pat­i­ble with the HART 5 and HART 7 hosts, the Rose­mount 2140 en­ables op­er­a­tors to con­tin­u­ously mon­i­tor elec­tronic and me­chan­i­cal health. Fre­quency Pro­fil­ing func­tion­al­ity im­me­di­ately de­tects any build-up, fork block­age, or ex­ces­sive cor­ro­sion, in­di­cat­ing main­te­nance may be re­quired and al­low­ing this to be sched­uled dur­ing pe­ri­ods of down­time. In ad­di­tion, Power Ad­vi­sory func­tion­al­ity mon­i­tors volt­age and cur­rent drawn over the de­vice’s life­time with a Process Alert for po­ten­tial is­sues that could be­come a prob­lem, such as cor­ro­sion. An op­tional in­te­gral LCD dis­play shows switch out­put states and di­ag­nos­tics so an op­er­a­tor can in­spect the de­vice lo­cally. Also, se­lectable Me­dia Den­sity and Me­dia Learn func­tions help con­fig­ure ap­pro­pri­ate den­sity set­tings to cal­cu­late and main­tain op­ti­mum and con­sis­tent switch­ing points in flu­ids of un­known prop­er­ties so the de­vice al­ways switches with the high­est de­gree of re­li­a­bil­ity.

For safety-crit­i­cal ap­pli­ca­tions, a ded­i­cated ver­sion of the Rose­mount 2140 cer­ti­fied to IEC61508 is avail­able with a 97 per­cent safe fail­ure frac­tion and 96 per­cent di­ag­nos­tics cov­er­age, mak­ing it one of the safest de­vices in the cur­rent SIL2 mar­ket.

For in­stal­la­tions within safety in­stru­mented sys­tems, a ful­ly­in­te­grated re­mote proof-test­ing ca­pa­bil­ity elim­i­nates the need to ac­cess the top of the ves­sel for ex­tract­ing the de­vice from the process. This saves time and in­creases process avail­abil­ity, worker safety and ef­fi­ciency, prom­ises Emer­son.

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