Gas mon­i­tor­ing so­lu­tion for dif­fi­cult-to-ac­cess lo­ca­tions

DEMM Engineering & Manufacturing - - PRODUCT WATCH - www.demm.co.nz/reader- en­quiry #171110

Emer­son has re­leased the Rose­mount 928 Wire­less Gas Mon­i­tor in re­sponse to what it sees as a crit­i­cal need for mon­i­tor­ing of toxic hy­dro­geng sul­fide gas in well­heads, tank farms, and other re­mote lo­ca­tions . The Rose mount 928 sig­nif­i­cantly im­proves safety in ar­eas and ap­pli­ca­tions thatat were pre­vi­ously considered to be too ex­pen­sive and dif­fi­cult to mon­i­tor due to re­mote or dif­fi­cult-to-ac­cess lo­ca­tions, chal­leng­ing topol­ogy, and other is­sues, says the man­u­fac­turer.

Work­ers ap­proach­ing sites like well­heads and re­mote tank bat­ter­ies for main­te­nance are con­stantly in dan­ger of ex­po­sure to un­planned re­lease of toxic gas. Mon­i­tor­ing these sites with con­ven­tional wired gas de­tec­tion sys­tems is of­ten cost- pro­hib­i­tive or lo­gis­ti­cally im­pos­si­ble. The in­stal­la­tion, wiring, andnd com­mis­sion­ing costs for each ad­di­tional wired de­vice canan add tens of thou­sands of dol­lars to the in­stru­ment’s to­tal in­stalled cost. As a re­sult, op­er­a­tors have been forced to rely on por­ta­ble gas mon­i­tor­ing de­vices which pro­vide no early warn­ing or per­son­nel safety, or even worse, carry on with no gas mon­i­tor­ing at all, be­lieves Emer­son.

The Rose­mount 928 gas mon­i­tor in­te­grates into a Wire­less HART net­work, elim­i­nat­ing wiring and dra­mat­i­cally re­duc­ing in­stal­la­tion, com­mis­sion­ing, and main­te­nance costs, prom­ises Emer­son. Once in­te­grated into the wire­less net­work, per­son­nel sim­ply check the sta­tus of the re­mote mon­i­tor­ing sys­tem to know if a main­te­nance trip is safe.

In ad­di­tion, the Rose­mount 928 gas mon­i­tor in­cludes a power mod­ule and the Rose­mount 628 toxic gas sen­sor mod­ule that are both in­trin­si­cally safe and can be re­placed in the field in min­utes with­out the need for tools. The Rose­mount 628 is a “smart” sen­sor mod­ule, mean­ing that cal­i­bra­tion in­for­ma­tion is stored within the sen­sor not the trans­mit­ter. This al­lows users to cal­i­brate the sen­sor in a non-haz­ardous lo­ca­tion and carry it into the field for quick ex­changes with in­stalled sensors. This fur­ther en­hances per­son­nel safety by min­i­miz­ing their time spent in po­ten­tially haz­ardous lo­ca­tions.

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