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