Topcon GPT-2005 Marine Instruments User Manual


 
19 SPECIAL ACCESSORIES
19-2
Mini prism
The mini prism (25.4mm) is made from precision
ground glass and mounted in high impact plastic
housings.
The mini has the unique capability of being
positioned either at a "0" or "–30" with the same
prism
Prism sets
See the description on Chapter 21 "PRISM SYSTEM"
Optical plummet tribrach
This is detachable tribrach having built-in optical
plummet telescope.
(Compatible with Wild)
Back pack, Model 2
Convenient for use in mountainous terrain.
Gadget case, Model 1
A case to store and carry accessories.
External dimensions:
300(L)×145(W)×220(H) mm
Weight:1.4kg
Prism unit case, Model 3
This is the plastic case to store and carry various sets
of prisms.
The case covers one of the following prism sets:
Tilt single prism set
Tilt single prism set with a target plate
Fixed triple prism unit
Fixed triple prism unit with a target plate
External dimensions:
427(L)×254(W)×242(H) mm
Weight:3.1kg
Prism unit case, Model 6
Fixed 9 prisms unit or tilting 3 prisms unit can be
stored in this case. Especially, this is a very easy
case to carry. Soft material is used.
External dimensions:
250(L)×120(W)×400(H) mm
Weight:0.5kg
Prism unit case, Model 5
1 prisms unit or xed 3 prisms unit can be stored in
this case. Especially, this is a very easy case to
carry. Soft material is used.
External dimensions:
200(L)×200(W)×350(H) mm
Weight:0.5kg