23-2
23 SPECIFICATIONS
Electronic Angle Measurement
Method : Absolute reading
Detecting system:
Horizontal angle
GTS-233/235 : 2 sides
GTS-236/239 : 1 side
Vertical angle : 1 side
Minimum reading
GTS-233/235/236 : 5" / 1" (1mgon / 0.2mgon) reading
GTS-239 : 10" / 5" (2mgon / 1mgon) reading
Accuracy(Standard deviation based on DIN 18723 )
GTS-233 : 3"(1mgon )
GTS-235 : 5"(1.5mgon )
GTS-236 : 6"(1.8mgon )
GTS-239 : 9"(2.7mgon )
Measuring time : Less than 0.3 sec.
Diameter of circle : 71 mm
Tilt Correction (Automatic index)
Tilt sensor
GTS-233/235/236 : Automatic vertical and horizontal compensator
GTS-239 : Automatic vertical compensator
Method : Liquid type
Compensating Range : ±3'
Correction unit : 1" (0.1mgon)
Others
Instrument height : 176mm (6.93in) Base unit detachable
(Height from the tribrach dish to the center of
telescope)
Level sensitivity
Circular level : 10'/2mm
Plate level
GTS-233/235 : 30"/2 mm
GTS-236/239 : 40"/2 mm
Optical Plummet Telescope
Magnification : 3×
Focusing range : 0.5m to infinity
Image : Erect
Field of view : 5°(ø114mm/1.3m)
Dimension : 336(H)×184(W)×174(L) mm
(13.2(H)×7.2(W)×6.9(L) in)
Weight
Instrument
(with battery) : 4.9kg ( 10.8 lbs)
(without battery) : 4.6kg ( 10.1 lbs)
Plastic carrying case : 3.7kg ( 8.2 lbs)
(Weight of the carrying case may be slightly different
due to specific market.)
Durability
Protection against water and dust : IP66 (with BT-52QA)
(Based on the standard IEC60529)
Ambient Temperature Range : –20°C to +50°C (–4°F to +122°F)
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