更长的测程，无棱镜测距达300米，与国际水平同步更高的精度，无棱镜测距精度3+2ppm，有棱镜测距精度2+2ppm更快的测距速度，测距速度经实测比同类产品快两倍更稳的仪器稳定性，高精度集成化的测距主板，大大降低了故障率更便捷的人性化设计，SD卡存储功能，再无电缆通讯的麻烦技术参数：modelRTS-822/5A  RTS-822/5 R3Telescope ImageErectMagnification30×Effective aperture45ｍｍMeasure distance47ｍｍResolving power3″Field of view1°30′Minimum focus1ｍTube length154ｍｍAngle MeasurementMeasuring methodAbsolute codeAbsolute codeDia of circle79ｍｍMinimum reading1″／5″SelectableDetection method Horizontal angleSINGLE:DualVertical angleDualMeasuring unit360°／400GON／6400MIL SelectableVertical angle０°Zenith 0°／Horizontal 0°SelectableAccuracy2″/5″Distance Measurement Single prism1.2 km  3 kmTriple prism2.0 km  5 kmbaffle-board-  800 mNoreflector（white）※?1-- 300mNoreflectorgray 0.18※2-- 200mDisplayMax：999999.999ｍ?Min：1ｍｍUnit?mAccuracy±(2＋2×10-6·D)ｍｍ※3Measuring timeFine single shot:2s，Tracking:0.7s Measurement systemBasic frequency: 60MHZMeteorologic correctionManual input, Auto correctionAtmospheric refraction and earth curvature correction Manual input, Auto correction, K=0.14/0.2Reflection prism correctionManual input, Auto correction Temperature and air pressure correctionManual inputAutomaticalVialPlate vial30″／2ｍｍCircular vial8′／2ｍｍVertical CompensatorSystemLiquid-electric detection/plate vialdual spindle Photoelectric detectionCompensation range±3′±4′Resolving power  １″Optical PlummetImage  ErectMagnification3×Focusing range  0.5ｍ～∝Field of view5°DisplayTypeLCD，diagram formPort ＲＳ－２３２CnoUSBno  yesMemory cardSD cardno  yesOn-board BatteryPowerRechargeable Ni-H batteryVoltageDC６ＶContinuous operation time5—6 hrsOperation EnvironmentOperating temperature－20°～＋45℃Size & weightDimension160mm×150mm×340mmWeight5.4㎏