经纬仪DT-02L，南方电子经纬仪，电子经纬仪价格，中国之风    中文激光电经  
按键简洁，功能丰富。测角时代的新突破。  
主要指标  
2″，中文，双面液晶显示，电子气泡补偿精度1″，补偿范围±4′  
主要特点  
?绝对编码度盘替代光栅盘  
?256组角度数据存储  
?超大屏幕    超大字体，读取更方便  
?中文显示    全部中文化，操作更简单  
?电路简约    一个电路板完成全部工作，世界水平  
?结构合理    符合国人使用习惯  
?继承经典    具备ET-02全部优点  
?光学与激光一体化，精度更高  
技术指标：  
型号                                                                DT-02L    /DT-02LL  
望远镜  
成像                                                                                正像  
镜筒长度                                                                157mm  
物镜有效孔径                                                45mm      
放大倍率                                                                30×  
视场角                                                                        1°30＇  
分辨率                                                                        3＂  
最小对焦距离                                                1.4m  
视距乘常数                                                        100  
视距加常数                                                        0  
测角部分　　  
测角方式                                                                光电增量式  
光栅/编码盘直径                                    79mm  
最小读数                                                                1＂/5＂可选  
精度                                                                                2＂  
激光指示器（波长：635            功率：0.5mw            激光经纬仪适用）  
聚集点方式                                                        调焦  
有效射程                                                                120m  
探测方式  
水平角                                                                        双  
垂直角                                                                        双  
自动垂直补偿器  
系统                                                                                液体电子传感器±3＇            水泡补偿±3＇  
精度                                                                                液体电子传感器1＂            管水准器30＂/2mm  
水准器  
长水准器                                                                30＂/2mm  
圆水准器                                                                8＇/2mm  
光学对中器  
成像                                                                                正像  
放大倍率                                                                3×  
调焦范围                                                                0.5m～∞  
视场角                                                                        5°  
数据输出  
接口                                                                                RS-232C  
其它  
显示类型                                                                双面、液晶笔段  
使用环境温度                                                -20°C～+45°C  
机载电池                                                                可充电镍-氢电池/AA电池  
电压                                                                                直流6V  
连续工作时间                                                10小时  
尺寸                                                                                165mm×157mm×318mm  
重量                                                                                4.3kg