... Magnification 30X Height 232mm Shortest sighting dictance 1.0m DTM122A Series Total StationsModels DTM112A, DTM112B, DTM115A, DTM115B, DTM122A, DTM122B, ... index pointMinimum display1,5,10Accuracy2,5,10Compensator TypeSingle axis liquid tilt sensorRange±3Accuracy±1Display resolutionAccording to angle display resolutionDistance ... :A with compensator ; B without compensator DTM122A Series Total Stations