Electronic Theodolite

We are offering electronic theodolite that can be used in third, fourth-order triangulation control surveying, railway, highway, bridge, water conservancy and mine, etc. Engineering surveying as well as building, installing of large equipment. The electronic theodolite is also applied to cadastral surveying, topographic surveying and other engineering surveying.
features :
continuous operating time of 4 aa alkaline batteries is about 80 hoursabsolute horizontal angle measurement, when this function is active, if the power off, turn on the instrument again and aim the same target, the horizontal angle displays the same readinglarge lcd displaywide temperature range for lcd display :- 20oc to +55oc
specifications
modeldt202c*1dt202cl dt202dt202ldt205cdt205cldt205cdt205ldt205ddt205dldt205dmdt205dmltelescopeobjective lens45mmmagnification 30ximageerectfield of view 1o203minimum focus 0.9mstadia constant 0stadia ratio 100angle measurment        method incremental      minimum reading  1"/5"     accuracy2"5"diameter of circle  70mm     displaysdisplay panel both      illumination yes     tilt sensor yes no yesno   working range ±3' /yes/   level sensitivityplate level  30"/2mm    circular level 8'/2mm   powerbattery  ni-mh rechargeable battery / alkaline battery   operating time   45 hours 9 rechargable battery) / 80 hours (alkaline battery)othersserial interface rd-232c baud rate: 9600bps /   dimension 153x175x328mm  weight 4.5kg  4.3kg   operating temperature -20oc~+55oc