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ET-02/ET-02L
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ET-05/ET-05L
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ET-10
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TELESCOPE
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image
|
erect
|
||
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magnification
|
30X
|
||
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effective aperture
|
45mm
|
||
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resovling power
|
3”
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||
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field of view
|
1°30’
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||
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minimum focusing distance
|
1.0m
|
||
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stadia ratio
|
100
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||
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stadia constant
|
0
|
||
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tube length
|
149mm
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||
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ANGLE MEASUREMENT
|
|||
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reading system
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absolute encoding
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||
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diameter of circle (VHz)
|
79mm
|
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minimum reading
|
1”/5”/10” selectable
|
10”
|
|
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accuracy
|
2”
|
5”
|
10”
|
|
detection method: hor.
ver.
|
dual
dual
|
dual
dual
|
dual
dual
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|
DISPLAY
|
|||
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(LCD) display type
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2 sides
|
||
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MEMORY
|
|||
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internal memory
|
capacity for 256 pairs of H. & V. angle
|
||
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LEVEL SENSITIVITY
|
|||
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plate vial
|
30”/2mm
|
||
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circular vial
|
10’/2mm
|
||
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COMPENSATION
|
|||
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system
|
liquid-electric detection
|
plate vial
|
|
|
working range
|
±3’
|
||
|
accuracy
|
1”
|
||
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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℃
|
||
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water proof
|
IP66
|
||
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internal power supply
|
Rechargeable Ni-H battery / AA battery
|
||
|
voltage
|
6VDC
|
||
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operating time
|
10 hours/20 hours (battery pack)
|
||
|
dimension
|
L145 X H318 X W179mm
|
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