... sight axis and ranging axis. SpecificationModelAngle Measurement(Hz,V)MethodAbsolute ReadingMinimum Reading1″Angle Accuracy2″TelescopeMagnification30XField of ... in stepsCentering Accuracy1 mm at 1.5m instrument heightPower supplyBattery TypeLithium-IonVoltage/CapacityZBA-400:7.4V ... surveying instrument, the PJK brand covers total station, theodolite, level,RTK GPS, GIS, handheld GPS, Rebound tester, ...