Nikon NE 103 Theodolite

Deskripsi : Telescope Image Erect Magnification 30x Diameter of Objective Lens ( Aperture) 1.77 in ( 45 mm) Focus Distance 2.3 ft ( 0.7 m) to infinity Field of View 1 degree 20' ( 2.3 ft at 100 ft) Ratio of Stadia Lines 100 Reticule Illumination yes Optical Plummet Image Erect Magnification 3x Field of View 5 degrees Focus Range Fixed 1.6 ft ( 0.5 m) Angle Measurement Minimum Reading 5/ 10" ( 1/ 2 mgon, 0.02/ 0.0 5mil) Unit of Reading/ Measure Degree, gon, or mil Accuracy 5-second Circle Diameter 3.1 in Measuring Method/ Reading System Photoelectric incremental encoder Level Plate/ Tubular Bubble Vial 30 seconds/ 2 mm Circular Bubble Vial 10 minutes/ 2 mm General Weight 10.1 lbs ( 4.6 kg) Warranty 2-year Dimensions 6.04 x 6.7 x 13.14 in ( 15.35 x 17.2 x 33.4 cm) Protection Class IP-56 ( dustproof and protection against water jets and heavy seas) Tribrach Detachable Battery/ Power Power Source 6 x AA batteries Battery Life 21 hours manganese batteries/ 47 hours alkaline batteries Battery Life Alert yes Voltage 1.5V Applications 90-Degree Layout yes Checking Angles yes Alignment and Plumb yes Short-Range Leveling yes General Construction yes Anchor Bolt Positioning yes Steel Column Placement yes Setting Elevations yes Setting Lines yes Basic Grade Work yes Display and Keypad Type Dot-matrix LCD with 20 characters x 2 lines Sides Dual Keys 5-button keypad Backlight yes Temperature Operating -4° F to + 122° F ( -20° C to + 50° C ) Tilt Sensor/ Compensator Range ± 3' ( out-of-range warning provided) Type Liquid-electric detection