154
25.SPECIFICATIONS
Except where stated, the following specifications apply to all DSs.
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
DS-101AC/102AC/103AC: 2 sides
DS-105AC:
1 side
Angle units
Degree/Gon/Mil (selectable)
Minimum display
DS-101AC/102AC:
0.5"(0.0001gon/0.002mil)/1" (0.0002gon/0.005mil) (selectable)
DS-103AC/105AC: 1"
(0.0002gon/0.005mil)/5" (0.0010gon/0.020mil) (selectable)
Accuracy
DS-101AC:
1" (0.0003gon/0.005mil)
DS-102AC:
2" (0.0006gon/0.010mil)
DS-103AC:
3" (0.001gon/0.015mil)
DS-105AC:
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
Distance measurement
Measuring method
Coaxial phase-contrast measuring system
Signal source
Red laser diode 690nm
Class 3R
(IEC60825-1 Ed. 2.0: 2007/FDA CDRH 21CFR Part1040.10 and
1040.11 (Complies with FDA performance standards for laser
products except for deviations pursuant to Laser Notice No.50, dated
July 26, 2001.))
(When the prism or reflective sheet is selected in Config mode as
target, the output is equivalent to Class 1)
Summary of Contents for DS-101AC
Page 175: ......