I-Q-SD500 iyithuluzi lokuhlola elichwepheshile lombala wamanzi, elinejika elijwayelekile elakhelwe ngaphakathi, ligwema iphutha elibonakalayo ngempumelelo.Ihlangene, ilula ukuyisebenzisa, asikho isidingo sokwengeza ama-reagents, ukulinganisa amasampula amanzi ngokuqondile, kulula futhi kuyashesha.