![]() |
[ Description:]
Model: ET series Production Introduction: |
|
ET-02/ET-02L |
ET-05/ET-05L |
ET-10 |
|
|
TELESCOPE |
|||
|
image |
erect |
||
|
magnification |
30X |
||
|
effective aperture |
45mm |
||
|
resovling power |
3” |
||
|
field of view |
1°30’ |
||
|
minimum focusing distance |
1.4m |
||
|
stadia ratio |
100 |
||
|
stadia constant |
0 |
||
|
tube length |
157mm |
||
|
ANGLE MEASUREMENT |
|||
|
measurement method |
Incremental Photoelectronic Encoding |
||
|
diameter of circle (VHz) |
79mm |
||
|
minimum reading |
1”/5”selectable |
||
|
accuracy |
2” |
5” |
10” |
|
detection method: hor. ver. |
dual dual |
dual dual |
dual dual |
|
DISPLAY |
|||
|
(LCD) display type |
2 sides, LCD |
||
|
LASER POINTER |
|||
|
laser range |
100m |
||
|
SENSITIVITY OF VIAL |
|||
|
plate vial |
30”/2mm |
||
|
circular vial |
8’/2mm |
||
|
COMPENSATION |
|||
|
system |
liquid-electric detection |
plate vial |
|
|
working range |
±3’ |
|
|
|
accuracy |
1” |
30"/2mm |
|
|
OPTICAL PLUMMET |
|||
|
image |
erect |
||
|
magnification |
3X |
||
|
focusing range |
0.5m ~ ∞ |
||
|
field of view |
5° |
||
|
PHISICAL CHARACTERISTICS |
|||
|
laser pointer |
ET-02L: yes |
ET-05L: yes |
NO |
|
operating temperature |
-20℃ ~ 45℃ |
||
|
internal power supply |
Rechargeable Ni-H battery / AA battery |
||
|
voltage |
6VDC |
||
|
operating time |
10 hours |
||
|
dimension |
L145 X H318 X W179mm |
||
|
weight |
5.2kg |
||
