DTSeriesElectornicTheodoliteFeatures:▪Specialdesign:singlehorizontalspindlewhichcrosstelescope.NewDesignconcept,combinehigherprecision,betterstableandshockresistanceability.▪Absoluteangleencodersystem.Abletoreadangledatewithoutpassing"0",letanglemeasurementbemoresimpleandconvenient.▪EnglishLargedisplay.Adoptbacklighttechnology,abletodisplayhorizontalandverticalangleatthesametime.Convenienttobeusedindifferentcondition.▪Superiorwateranddustandhumidair,maintaingoodperformanceeveninbadenvironment.ModelDT-01/02A2"DT-01/02B5"TelescopeImageErectMagnification30XObjectiveAperture45mmFieldOfView1°30'MiniumFoucsDistance1.0mStadiaRatio100AngleMeasurentResolution3"AngleMeasureModeAbsolutelyEncondingMinimumReading1",5"Accuracy2"5"AngleUnitsDEG/MIL/GONDisplayLCDDoublesidesCompensatorInclinationAutoVerticalCompensationCompensationRange±3'OtherPointwayLaserPlummetorOpticalForOptionPrecisionofplatevial30"/2mmPrecisionofcircularLevel8'/2mmWorkingTemperature-20°~50°CBattery3.7VRechargeablelithiumbatteryWeight5KGAccessoryRechargeableBattery,Charger,Manual,PlasticCase.