TOPCON TOTAL STATION
THE ANGLE ACCURACY:2"
THE MIN READING:1"
IMAGE:ERECT
MAGNIFICATION:30X
THE MIN FOCUS:1.3 M
THE DISTANCE ACCURACY: 2MM+2PPM
SINGLE PRISM:2000M Telescope
Length150 Millimeters Objective Lens Diameter 45mm (EDM:50mm) Magnification 30x Image Erect Field of View 1 degree 30 seconds Resolve Power 3"Min. Focus Distance 4.265 ft / 1.3 meters Measurement Range 1 Prism 6500 ft, 2000 meters 3 Prism 8800 ft, 2700 meters Measuring Accuracy Prism Mode +/-(2mm + 2ppm x D)m.s.e. fine, N/A Measurement time 1mm: 1.2sec. (Initial 4sec.) fine, 0.2sec. (Initial 3sec.) coarse, N/A Angle Measurement Method Absolute Reading Detection 2 horizontal, 1 vertical Minimum reading 1"/5" or 1/5 mgon Tilt Correction Type Single Axis Method Liquid surface reflective profile sensor reading type Compensating Range +/-3' Correction Unit 1 arc sec, N/A Computer Unit Display 2 screen, dot matrix graphic LCD display Power Approx. Battery Life 9 hrs including distance measurement, 40 hrs Angle measurement only