| Name
of Model |
DT-102L |
DT-103L |
DT-104L |
| TELESCOPE |
| Object
lens diameter |
45mm |
45mm |
40mm |
| Magnification |
30X |
30X |
26X |
| Field
of view |
1°30' |
1°30' |
1°30' |
| Resolving
power |
2.5" |
2.5" |
3" |
| Illumination
(Reticle) |
Yes |
Yes |
None |
| LASER |
| Source
of Laser |
LD |
LD |
LD |
| Wave
of Length |
633nm |
633nm |
633nm |
| Laser
Class |
Class
2(II) |
Class
2(II) |
Class
2(II) |
| Laser
Distance (day light) |
50m |
50m |
50m |
| Laser
beam diameter (When focused) |
| Distance
5m |
0.2mm |
0.2mm |
0.2mm |
|
20m |
0.7mm |
0.7mm |
0.8mm |
|
50m |
1.8mm |
1.8mm |
1.9mm |
| ANG.
MEASUREMENT |
| Reading
method |
Incremental |
Incremental |
Incremental |
| H-detection |
2-sides |
2-sides |
1-side |
| V-detection |
1-sdie |
1-side |
1-side |
| Min.
reading |
5"
/ 10" |
5"
/ 10" |
10"
/ 20" |
| Accuracy |
5" |
7" |
10" |
| DISPLAY |
| Display
panel |
2
sides |
2
sides |
1
side |
| Illumination |
Yes |
Yes |
Yes |
| TILT
SENSOR |
| Type |
A.V.
Comp. |
None |
None |
| Range |
±3' |
None |
None |
| PLUMMET
TELESCOPE |
| Method |
Optical |
Optical |
Optical |
| Magnification |
3X |
3X |
3X |
| Field
of view |
5° |
5° |
5° |
| Focusing
range |
0.5m
~ ∞ |
0.5m
~ ∞ |
0.5m
~ ∞ |
| OTHERS |
| Tangent
screw |
1
speed / Coaxial |
1
speed / Coaxial |
1
speed / Coaxial |
| V-axis
type |
Single
axis |
Single
axis |
Single
axis |
| Tribrach |
Detachable |
Detachable |
Fixed |
| Instrument
height |
176mm |
176mm |
N/A |
| Weight |
4.3kg |
4.3kg |
3.6kg |
| Circle
rotation |
Yes |
None |
None |
| Plate
level |
40"
/ 2mm |
40"
/ 2mm |
60"
/ 2mm |
| Circular
level |
10'
/ 2mm |
10'
/ 2mm |
10'
/ 2mm |
| Power
supply |
4AA
batteries |
4AA
batteries |
4AA
batteries |
| Water
protection |
IPX6 |
IPX6 |
IPX6 |
| Serial
single connector |
RS-232C |
None |
None |
| OPERATING
TIME (Dry battery) |
| Angle
only |
40
hours |
50
hours |
68
hours |
| Laser
only |
35
hours |
35
hours |
35
hours |
| Angle
& Laser |
16
hours |
18
hours |
20
hours |
| Y2k
compliant |
Yes |
Yes
|
Yes
|
SPECIFICATIONS