Topcon ES-103 - 37. Specifications; Angle Measurement Specifications

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37. SPECIFICATIONS
Except where stated, the following specifications apply to all models of ES Series.
Telescope
Length: 171mm
Aperture: 45mm (EDM:48mm)
Magnification 30X
Image: Erect
Resolving power:
ES-101/102/103/105: 2.5"
ES-107: 3.5"
Field of view 1°30'
Minimum focus: 1.3m
Focussing screw: 1 speed
Reticle illumination: 5 brightness levels
Angle measurement
Horizontal and Vertical circles type:
Rotary absolute encoder
Detecting
ES-101/102/103: 2 sides
ES-105/107: 1 side
Angle units: Degree/Gon/Mil (selectable)
Minimum display:
ES-101: 1" (0.0002gon/0.005mil)/0.5" (0.0001gon/
0.002mil) (selectable)
ES-102/103/105: 1" (0.0002gon/0.005mil)/5" (0.0010gon/0.02mil)
(selectable)
ES-107: 5" (0.0010gon/0.02mil)/1" (0.0002gon/0.005mil)
(selectable)
Accuracy:
ES-101: 1" (0.0003gon/0.005mil)
ES-102: 2" (0.0006gon/0.010mil)
ES-103: 3" (0.0010gon/0.015mil)
ES-105: 5" (0.0015gon/0.025mil)
ES-107: 7" (0.0022gon/0.035mil)
(ISO 17123-3: 2001)
Measuring time: 0.5 sec or less
Collimation compensation: On/Off (selectable)
Measuring mode:
Horizontal angle: Right/Left (selectable)
Vertical angle: Zenith/Horizontal/Horizontal ±90° /% (selectable)