DM-30/DM30L INFRARED DISTANCE METER can be used for urban construction, land, water conservancy, agriculture and forestry, ground mine traffic, and also used for control survey, topographic surveying, cadastral surveying and engineering laying off.
    Distance measuring capability: DM30 2km
                                   DM30L 3km
    Accuracy: ¡À(5mm+3ppm¡¤D)
    Angle of pitch: ¡À30¡ã 
        Measure times: repetition measure and repetition average measure 3.8 second/time, tracking measure 0.8second/times