... Magnification 30X Height 232mm Shortest sighting dictance 1.0m DTM122A Series Total StationsModels DTM112A, DTM112B, DTM115A, DTM115B, DTM122A, DTM122B, DTM125A, ... time?Less than 0.5 secondAngular unitdegree,gon,milOthers Level sensitivityPlate level20/mm,30/mm Circular level8/2mmOptical plummetImageErect ... time100 hoursNote:A with compensator ; B without compensator DTM122A Series Total Stations