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167
26.SPECIFICATIONS
Except where stated, the following specifications apply to all DXs.
Telescope
Length
168mm
Aperture
45mm (1.8 inch) (EDM: 50mm (2.0 inch))
Magnification
30X
Image
Erect
Resolving power
2.5"
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
DX-201AC/202AC/203AC: 2 sides
DX205AC:
1 side
IACS (Independent Angle Calibration System)
DX-201AC/202AC only
Angle units
Degree/Gon/Mil (selectable)
Minimum display
DX-201AC/202AC:
0.5"(0.0001gon/0.002mil)/1" (0.0002gon/0.005mil) (selectable)
DX-203AC/205AC:
1" (0.0002gon/0.005mil)/5" (0.0010gon/0.020mil) (selectable)
Accuracy
DX-201AC:
1" (0.0003gon/0.005mil)
DX-202AC:
2" (0.0006gon/0.010mil)
DX-203AC:
3" (0.001gon/0.015mil)
DX-205AC:
5" (0.0015gon/0.025mil)
(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’
Automatic compensator
ON (V & H/V)/OFF (selectable)
Tilt offset
Can be changed