Digital Theodolite

Product Details :

Technical parameter SDJ-02> SDJ-05 SDJ-10 SDJ-20 TELESCOPE Image Erect Magnification 30× Clear Objective aperture 45mm Angle of field of view 1°30′ Shortest stadia 1.35m Stadia multiplying constant 100 Stadia additive constant 0 Resolving power 3″ MEASURING ANGLE SYSTEM Method of measuring angle Incremental mode readings of photo electricity Minimum reading 1″5″ Method of detecting H:Two side V:One side Accuracy of measuring angle 2″ 5″ 10″ 20″ Angle unit DEG MIL GON Display two faced LCD COMPENSATOR Tilt sensor plumb compensation automatically  Range of compensator ±3′ PLUMMET Optical Image Erect Magnification 3× Angle of field of view 5° Focusing range 0.5m~∞ Bubble Accuracy of plate bubble 30″/2mm >Accuracy of circular bubble 8′/2mm Working environment temperature -20 +50 Power Supply Battery Dry battery or charged nickel-hydrogen battery Power Voltage 4.8V Continuous operating time 36h Weight of theodolie 4.6kg