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Telescope
Compensator
Level
Keyboard display unit
Technical Data
Type and centring accuracy of the prism
The prism centring accuracy depends mainly on the used prism type, for
example:
Prism type
Leica GPR1
Leica GPH1P
Leica GRZ122
Leica GRZ4
Refer to the white paper "Leica Surveying Reflectors" for information
☞
about the different centring accuracies.
More influencing factors
When determining absolute coordinates, the following parameters can also
affect the resulting accuracy:
Environmental conditions: temperature, air pressure and humidity
•
Typical instrument errors, such as horizontal collimation error or index
•
error.
Proper functioning of laser plummet or optical plummet
•
Correct horizontal levelling
•
Setup of the target
•
Quality of extra equipment, such as tribrach or tripod.
•
Type
Magnification
Free Objective aperture
Focusing
Field of view
Angular accuracy
instrument ["]
1
2
3
5
Type
Circular level sensitivity
Electronic level resolution
Compensation
Type
Display
Circular prism
Precision circular prism
360° prism
360° prism
Value
30 ×
40 mm
1.7 m/5.6 ft to infinity
1°30'/1.66 gon
2.7 m at 100 m
Setting accuracy
["]
[mgon]
0.5
0.2
0.5
0.2
1.0
0.3
1.5
0.5
Value
6'/2 mm
2"
Centralised quadruple axis compensation
Description
5" WVGA (800 x 480 pixels), colour, graphics
Capable LCD, illumination, touch screen
Centring accuracy
1.0 mm
0.3 mm
2.0 mm
5.0 mm
Setting range
[']
[gon]
4
0.07
4
0.07
4
0.07
4
0.07
81
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- Setting up the Ts Instrument
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