I-micrometer yangaphandle sisixhobo sokulinganisa esichanekileyo esisetyenziselwa ukulinganisa ubukhulu, ububanzi bento.Inomlinganiselo ogqityiweyo ophawulwe ngeemilimitha okanye i-intshi kunye ne-calibrated screw esetyenziselwa ukulinganisa ubukhulu bento kunye nedayamitha.I-micrometer yangaphandle sisixhobo esiphathwa ngesandla ekulula ukusisebenzisa kwaye sifanelekile kwimilinganiselo echanekileyo.