仪器型号MODELDT-2DT-2(带激光)DT-5DT-10望远镜Telescope镜筒长度LengthofTelescope157mm157mm157mm157mm成像Image正像(Erect)正像Erect正像Erect正像Erect物镜口径ObjectiveLensAperture45mm45mm45mm45mm放大倍率Magnification30×30×30×30×视场角FieldofView1°30′1°30′1°30′1°30′分辨率ReslovingPower3.5″3.5″3.5″3.5″最短视距ShortestsightingDistance1.4m1.4m1.4m1.4m视距乘常数StadiaRatio100100100100视距加常数StadiaConstant0000测角部分AngleMeasurement测量方式Method绝对编码式absolutelyencode读数方式Detecting水平度盘Horizontal:对径double竖直度盘Vertical:单面Single最小读数MinimumReading1″1″1″5″精度Accuracy2″2″5″10″度盘直径Diameterofcircle79mm补偿器Compenstor倾斜传感器TiltSensor单轴Single单轴Single--补偿范围Range±3′±3′--补偿精度Accuracy3″3″--光学对点器OpticalPlummet成像Image正像Erect放大率Magnification3×调焦范围FocusRange0.5~∞视场角FieldofView5°通讯口OutputInterface通讯标准OutputStandardRS232C数据输出接口DataOutputInterface可选selective水准器LevelSensitivity长水准器精度SensitivityofLongVial30″/2mm圆水准器精度SensitivityofBubble8″/2mm电源Power电池BatteryNi-H充电电池Rechargable工作时间WorkingTime约25小时About25hours其它Others工作温度OperatingTemp-20°C~+50°C仪器尺寸InstrumentDimension165×155×320仪器重量InstrumentWeight4.5kg)