Instruction manual

146
26.SPECIFICATIONS
Except where stated, the following specifications apply to all OSs.
Telescope
Length 171mm
Aperture 45mm (1.8 inch) (EDM: 48mm (1.9 inch))
Magnification 30X
Image Erect
Resolving power:
OS-101/102/103/105: 2.5"
OS-107: 3.5"
Field of view 1°30' (26m/1,000m)
Minimum focus 1.3m (4.3ft)
Focussing screw 1 speed
Reticle illumination 5 brightness levels
Angle measurement
Horizontal and Vertical circles type
Rotary absolute encoder
Detecting
OS-101/102/103: 2 sides
OS-105/107: 1 side
Angle units Degree/Gon/Mil (selectable)
Minimum display
OS-101: 0.5"(0.0001gon/0.002mil)/1" (0.0002gon/0.005mil) (selectable)
OS-102/103/105/107: 1" (0.0002gon/0.005mil)/5" (0.0010gon/0.020mil) (selectable)
Accuracy
OS-101: 1" (0.0003gon/0.005mil)
OS-102: 2" (0.0006gon/0.010mil)
OS-103: 3" (0.001gon/0.015mil)
OS-105: 5" (0.0015gon/0.025mil)
OS-107: 7" (0.0022gon/0.035mil)
(ISO 17123-3 : 2001)
Collimation compensation On/Off (selectable)
Measuring mode
Horizontal angle: Right/Left (selectable)
Vertical angle: Zenith/Horizontal/Horizontal ±90°/% (selectable)
Tilt angle compensation
Type Liquid 2-axis tilt sensor
Correction unit 1"
Range of compensation ±6’ (±0.1111gon)
Compensation accuracy
OS-101: ±3"
OS-102: ±6"
OS-103/105: ±10"
OS-107: ±12"
Automatic compensator ON (V & H/V)/OFF (selectable)
Compensation constant Can be changed