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

Absolute 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