A VISTA (micro viscometer) yog qhov tshuab zoo tshaj plaws uas xam kev tawm rau hauv dej los sis viscosity. Ib qho lus sib tham yog rau lub viscosity, vim tias syrup yog qhov meej thiab dej tsis meej. Qhov loj ntawm dej (viscosity) yog qhov tswv yim tshaj plaws rau lawv qhov kev lag luam, piv txwv li kev lag luam noj, kev lag luam ua cov lus ua haujlwm rau lub cev thiab kev lag luam ua cov lus ua haujlwm rau cov khoom siv. Yog tias peb hu rau kev lag luam ua cov cream rau lub cev, peb xav tau qhov loj ntawm koj cov lotion raws li qhov tseem ceeb kom tsis too much ncaum thiab tsis too thick.
ZONWON ua cov micro- zoo tshaj plaws Viscometers uas yuav siv tau hauv kev siv thiab muaj kev xaiv zoo. Vim li no, cov tshuab zoo thiab siv tau hauv kev siv no yuav pab kev lag luam ntawm kev ua lag luam los sib raug rau kev xav tau ntawm cov neeg siv khoom.