Theodolite ET-Series

Product Feature

Absolute Encoding
Dual Sides
Large Display     

Specifications

 
ET-02/ET-02L
ET-05/ET-05L
ET-10/ET-10L

Angle Measurement

Measuring method

Absolute code

Raster diameter

79mm

Min display unit

1″/ 5″Selectable

10"

Accuracy

2″

5″

10"

Horizontal angle

Dual

Dual
Dual
Vertical angle
Dual
Dual
Dual

Telescope

Image

Erect

Tube length

157mm

Effective aperture

45mm (EDM:50mm)

Magnification 

30×

Field of view

1°30′

Minimum Focusing Distance

1.4m

Resolving Power

3″

Stadia ratio
100
Stadia constant
0

Auto Compensator

System

Liquid-electric detection

                Plate Vial

Work range

±3′

Resolving power

1″

Vial

Plate vial

30″/2mm

Circular vial

10′/2mm

Optical Plummet

Image

Erect

Magnification 

Focusing range

0.5m~∞

Field of view

Display

Type

LCD display 2sides

Laser Pointer  
Laser Range be seen up to 100 meters away

On-board Battery

Power supply

Rechargeable Ni-H battery/AA Battery

Voltage

DC 6V

Continuous operation time

10hours

Size & weight

Dimension

L145*H318*W179

Weight

5.2㎏