Sokkia Total Station iM52 Technical Specifications: Model Sokkia iM 52 Total Station Telescope Magnification / Resolving Power 30x / 2.5″ Length 171mm Objective aperture 45mm (48mm for EDM) Image Erect Field of View 1°30′ (26m / 1,000m) Minimum focus 1.3m Reticle illumination 5 brightness levels Angle Measurement Display Resolution 1″/5″ (0.0002 / 0.001gon, 0.005 / 0.02mil) Accuracy (ISO 17123-3:2001) 2″ Dual Axis Compensator Working range ±6′ (±111 mgon) Collimation Compensation On/Off (selectable) Distance Measurement Laser output (Reflectorless mode) Class 3R / Prism / sheet mode: class 1 Range reflectorless mode 0.3 to 500m (1,640ft.) Range prism mode 1.3 to 4,000m (4.3 to 13,120ft.) Measuring Time Fine Measurement Mode 0.9 sec.(Intial 1.5 sec.) Rapid Measurement Mode 0.6 sec.(Intial 1.3 sec.) Tracking Measurement Mode 0.4 sec.(Intial 1.3 sec.) Interface and Data Management Display / Keyboard Graphic LCD, 192 x 80 dots, backlight, contrast adjustment / alphanumeric keyboard / 28 keys with backlight Control panel location Both side Data storage (Internal memory) Approx. 50,000 points Data storage (Plug-in memory device) USB flash memory (max. 32GB) Interface Serial RS-232C, USB2.0 (Type A for USB flash memory) Bluetooth modem (optional)* Bluetooth Class 1.5, Operating range: up to 10m General Laser pointer Coaxial red laser using EDM beam Levels Graphic 6′ (Inner Circle) Circular Level 10’/2mm Optical Magnification: 3x Minimum focus: 0.5m from tribrach bottom Dust and water protection IP66 (IEC 60529:2001) Operating temperature -20°C to 60°C Size with handle (w x d x h mm) 183 x 181 x 348mm Weight with batter and tribrach Approx. 5.1kg Power Supply Battery (BDC46C) Detachable battery Li-ion rechargeable battery Operating time (20°C) BDC46C Approx. 14 hours (In use of ECO mode. Fine single measurement every 30sec)
