Topcon GTS-823A - Manual (Page 127)

16-1
16 PRISM SYSTEM
16 PRISM SYSTEM
Arrangement according to your needs is possible.
l Use the above prisms after setting them at the same height as the instruments. To adjust the height
of prism set, change the position of fixing screws.
Plug 3 is necessary for the tribrach adaptor-2, tribrach adaptor-S2 and pole adaptor-F2 to coincide
with the height of GTS-820A series.
l TR-5 or TR-5P tribrach should be used for prism side when the traverse surveys is performed.
Target pole-2
(not used with 9 prisms)
Prism-2
Tilting prism
holder-2
with target
plate-2
Pole adaptor- A
Plug3
Tilting prism
holder-3 S in g le p rism
holder-2 Triple prism
holder-2 Tilting triple
prism holder-1
9 prism
holder-2
Pole adaptor- F2
Tribrach
adaptor-S2
Optical plummet tribrach
Tribrach
adaptor-2
Tribrach
Tilt single prism unit
Fixed 3 prisms unit
Fixed 9 prisms unit
Tripod
It is possible to change the combination
according purpose.
Prism unit A3/A3S