Description Automatic Level Sokkia B20 Waterpass Automatic Level Sokkia B20 / Waterpass Sokkia B20 dilengkapi teknologi eksklusif yang dirancang dengan kompensator presisi yang menggunakan sistem magnetik untuk akurasi yang luar biasa dan handal. Specifications : Model B20 Telescope Length 215mm (8.46in.) Magnification 32x Objective aperture 42mm (1.65in.) Resolving power 3″ Field of View (at 100m/328ft.) 1°20′ (2.3m / 7.5ft.) Minimum focus 0.2m (7.9in.) from end of telescope 0.3m (1ft.) from instrument center Image Erect Reticle pattern Wedge Stadia constant 0 Stadia ratio 100 Focusing knob 2-speed Sighting aid Peep sight Lens hood Retractable Accuracy (standard deviation for 1km double run leveling) Without micrometer 0.7mm (0.03in.) With micrometer 0.5mm (0.02in.) Compensator Type Pendulum compensator with magnetic damping system Setting accuracy 0.3″ Working range ±15′ Circular level Sensitivity 10′ / 2mm Mirror Pentaprism Horizontal circle Diameter 103mm (4.1 in.) Graduations 1° / 1gon General Horizontal motion drive Clampless, endless, double-sided knobs Water resistance IPX6 (EC 60529:2001) Operating temperature -20 to 50°C (-4 to 122°F) Width 130mm (5.12in.) Length 215mm (8.46in.) Height 140mm (5.51in.) Weight 1.85kg (4.1 lb.)
