Topcon AP-L1A - 22 Specifications

22. SPECIFICATIONS
22-1
22. SPECIFICATIONS
Telescope
Length : 173mm
Objective lens : 50mm
Magnification :
30 
Image : Erect
Field of view :
1 30'
Resolving power : 3.5"
Minimum focus : 1.5m
Automatic Tracking
Automatic Tracking speed range 1
: Angular speed :
10/sec
Angular acceleration :
10/sec
2
Automatic Tracking range 2
Prism
Scanning range
NARROW(20'

20')
Scanning range
MIDDLE(40'

40')
Scanning range
WIDE(60'60')
Prism type 2, with 1 prism 20 ~ 1,000 m
(66 ~3,300ft)
10 ~ 1,000 m
(33~3,300ft)
7 ~ 1,000 m
(23~3,300ft)
Prism type 2, with 5 prisms 3
75 ~ 1,300 m
(250~4,300ft)
38 ~ 1,300 m
(125~4,300ft)
25 ~ 1,300m
(82~4,300ft)
Prism type 2, with 9 prisms 3
75 ~ 1,600 m
(250~5,250ft)
38 ~ 1,600 m
(125~5,250ft)
25 ~ 1,600m
(82~5,250ft)
Prism type 3 or 5, with 1 prism 12 ~ 700 m
(40~2,300ft)
6 ~ 700m
(20~2,300ft)
4 ~ 700m
(13~2,300ft)
Prism Unit Type A2/A3
(Prism type 3, 6 in all direction)
30 ~ 500 m
(100~1650ft)
15 ~ 500m
(50~1650ft)
10 ~ 500m
(33~1650ft)
Collimation accuracy (Repeatability of collimation by Automatic Tracking) 4 :
Setting Prism staying Prism moving (Angular speed / acceleration)
LOW speed 3"(1mgon)

MEDIUM speed 5"(1.5mgon)
2'(37mgon) ( 8/sec, 4/sec
2
)
HIGH speed 10"(3mgon)
2'(37mgon) ( 8/sec, 8/sec
2
)
Search pattern : High / Normal
Search range :
Any value can be set, able to set (1 step)
Scanning range : NARROW / MIDDLE / WIDE
Safety standard for Laser Beam :
Class 2(IEC Publication 825),ClassII(FDA/BRH 21 CFR
1040)
1 In scanning range: MIDDLE, except around zenith.
2 Condition : Normal(Visibility about 20km), except high humidity time.
3 In case using 9 prism holder fixing type 2.
4 The standard deviation in the condition of stable air and the scanning range is set MIDDLE.