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ET-02/ET-02L |
ET-05/ET-05L |
ET-10/ET-10L |
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Angle Measurement |
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Measuring method |
Absolute code |
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Raster diameter |
79mm |
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Min display unit |
1″/ 5″Selectable |
10" |
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Accuracy |
2″ |
5″ |
10" |
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Horizontal angle |
Dual |
Dual |
Dual |
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Vertical angle |
Dual |
Single |
Single |
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Telescope |
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Image |
Erect |
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Tube length |
157mm |
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Effective aperture |
45mm (EDM:50mm) |
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Magnification |
30× |
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Field of view |
1°30′ |
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Minimum Focusing Distance |
1.4m |
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Resolving Power |
3″ |
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Stadia ratio |
100 |
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Stadia constant |
0 |
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Auto Compensator |
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System |
Dual axis Liquid-electric |
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Work range |
±3′ |
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Accuracy |
1″ |
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Vial |
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Plate vial |
30″ 2mm |
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Circular vial |
10′2mm |
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Optical Plummet |
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Image |
Erect |
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Magnification |
3× |
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Focusing range |
0.5m |
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Field of view |
5° |
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Display |
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Type |
LCD display 2sides |
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On-board Battery |
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Power supply |
Rechargeable Ni-H battery/AA Battery |
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Voltage |
DC 6V |
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Continuous operation time |
10hours |
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Size & weight |
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Dimension |
L145*H318*W179 |
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Weight |
5.2 |
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