4 Setup
34 Spectra Precision FOCUS 30 User Guide
Setup
An instrument setup with good measuring stability will increase the precision in the
measurement result and allow you to utilize the measurement precision of the
Spectra Precision FOCUS 30 Total Station to its full extent.
Setup Stability
When an instrument is setup it is important to consider the following:
1.
Set tripod legs wide apart to increase the stability of the setup. A setup where
one leg is placed on e.g asphalt and the other two on soil will still be a stable
setup provided that the tripod legs are set wide enough apart. If it is not
possible to set the tripod legs wide apart due to obstacles, then the tripod can be
lowered to increase stability.
Fig. 4-1 Instrument setup
2.
Make sure that all the screws on the tripod and/or tribrach are tightened to
avoid any play.
3.
Any high quality tripod and tribrach can be used. However, Spectra Precision
strongly recommends the use of tripod heads made of steel, aluminium or
similar material. Tripod heads of fiberglass or other composite materials are not
recommended.
See also
StepDrive Motor System and Focus system, page 83
for more
information.
Содержание Focus 30
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