Bowflex BTS-812A Total Station

Technical Specifications: 45mm effective aperture telescope 30 × magnification As imaging FOV 1 ° 30 'Minimum sight distance 1.5m measurement range to a single prism unit (in good weather conditions) BTS-812A --2.0km BTS-812 ---- 1.3km BTS-815 ---- 1.3km prism (in good weather conditions) BTS-812A --- 3.0km BTS-812 ----- 2.0km BTS-815 ----- 2.0 km Accuracy BTS-812A --- ± (2mm + 2ppm? D) BTS-812 --- ± (3mm + 2ppm? D) BTS-815 --- ± (3mm + 2ppm? D) Minimum reading fine mode 1mm Tracking measurement mode 1mm fine mode measurement speed of about 1.8 seconds (2.5 seconds for the first time) Repeat fast measurement mode about 0.9 seconds (2.5 seconds for the first time) Tracking measurement mode for about 0.4 seconds (1.5 seconds for the first time) atmospheric correction range -499ppm ~ + 499ppm ( step 1ppm) Prism constant correction range -99mm ~ + 99mm (step 1ppm) angle measuring unit minimum reading 10 seconds / 5 seconds / 1 second standard deviation BTS-812A --- 2 "BTS-812 ------ 2 "BTS-815 ------ 5" Measuring time 0.1 seconds tilt compensator working range ± 3 'level of sensitivity: the circular level: 8' / 2mm vial: 30 "/ 2mm Optical Plummet enlarge 3X magnification Focusing range 0.5 ~ ∞ Imaging just 4 ° FOV voltage DC 7.2V Battery capacity 2.2AH Continuous working time (20 ℃): distance and angle measurement 4 hours for angle measurement only 18 hours storage temperature range of -40 ℃ ~ + 60 ℃ Working -20 ℃ ~ + 55 ℃ Dimensions 190X210X350mm instrument instrument weight 6kg Features: 1, a new mode of operation, numbers, letters, function keys, navigation key operation, a key measurement function, easy to use; 2, Large capacity NiMH rechargeable dual battery configuration, ultra-long standby, completely solve the worries of field measurements; 3, a powerful memory management, storage 50000 data, automatically record the angle, distance, coordinate, and other various data station; 4, the unique user key functions to customize the function keys used to define custom keys, rich operation prompt, fast and easy to operate; 5, open data communication functions directly with the computer for real-time two-way data transmission and memory-way data transmission; 6 , the icon of the setting-out leading functions, applications online programmable technology, connected to the computer, software upgrades faster and more convenient; 7, coordinate measuring, setting-out measurement, resection, MLM, REM, area calculation, offset measurement and other functions; 8, all kinds of reflective film, reflective target application is the measurement work simple, flexible, optional laser at point and the slide base;