性能特点：
1.绝对编码度盘，开机无需初始化，重新开机角度保持不变
2.免棱镜测距技术，测距可达200米
3.可视激光指示，使得照准目标更快、更准确
4.LCD大屏幕文本显示屏,数字输入键盘
5.独特的用户自定义功能键(BTS-910)
6.集成了多种测量应用程序
7.大容量锂电池，角度测量可达20小时
8.RS232C兼容异步串口数据传输接口
9.特别设计的存储卡卡槽，可配备2GB  S  D扩展存储卡
技术参数  
望远镜
          镜筒长度                    150mm      
          通光孔径                    45mm
          放大倍率                    28X(无合作目标)                    30X  
          成像                                  正像  
          视场角                            1°30＇
          最短视距                      1.5m
测角
          测量方式                  绝对编码
          取样方式                  水平对径
                                                    垂直单径
          精度                              2"/5"(可选)  
          最小读数                  1"/5"/10"  (可选)
          测量时间                  0.1"
          液晶显示                  LCD、双面
补偿器
          传感器                          竖轴补偿
          补偿范围                    ±3’
          设置精度                    ±1"
测距(良好条件下)
          测量距离                      免棱镜        200m
                                                        单棱镜          2km
                                                        三棱镜        3km
        测距精度                      ±（2mm+2ppm?D）
                                                      ±（3mm+2ppm?D）
        测量速度
                                                      精测            1.8s(首次  2.5s)
                                                      跟踪            0.4s(首次  1.5s)
存储器                                  50000
对点器
        放大率                  3X
        视场角                  4°
        成像                        正像
        调焦范围              0.5m~∞
数据通讯
          数据接口        RS232C
水准器
          长水准器          30"/2mm
          圆水准器          8’/2mm
电源
            规格                    锂电充电电池    
            时间                    测距模式                  5h
                                            角度测量                20h    
仪器
        电压                      7.2V
        尺寸                      190X210X350mm        
        重量                      6Kg
软件功能
          坐标测量、放样测量、后方交会、对边测量、直线放样、
          悬高测量、面积计算、曲线测量、交叉测量、道路软件
仪器成套性
            主机、电池、充电器、数据线、软件光盘等
            威特基座                                          英制              
            激光对点器（L）                    可选              
            滑动基座（H）                        可定制