Topcon DL-503 - Staffs

74
Other Procedures
20.3 Staffs
• Staff types
Name Material Length/Front/Reverse Feature
BIS20 Invar 2.0m (6.6ft)
Front: RAB code
ISO 12858-1:
1999 compatible
BIS30 Invar 3.038m (9.8ft)
Front: RAB code
ISO 12858-1:
1999 compatible
For high precision
leveling
BGS40 Glass fiber 4.08m (3 sections)
Front: RAB code
Reverse: graduated
With handle
BGS50 Glass fiber 5.09m (4 sections)
Front： RAB code
Reverse: graduated
With handle
BGS50G Glass fiber 5.09m (4 sections)
Front： RAB code
Reverse: graduated
With handle
Unit: feet
BAS55 Aluminum 5.0m (5 sections)
Front: RAB code
Reverse: graduated
BRS55 Aluminum 5.0m (5 sections)
Front: RAB code
Reverse: graduated
on reflective surface
Distances can be
measured with Total
Station by using the
reverse side
(reflective sheet).
(Applies only to
instruments that
can measure in
sheet mode.)
DL502-503.book 74 ページ ２０１０年４月５日 月曜日 午前９時４７分