Electronic Theodolite
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DE2A |
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Telescope |
Image |
Erect |
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Magnification |
30x |
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Objective aperture |
47mm |
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Field of view |
1°30′ |
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Shortest viewing distance |
1m |
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Stadia ratio |
100 |
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Resolution |
3.75″ |
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Angle measurement |
Angle measurement mode |
Absolute angle encoder system |
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Minimum count |
1″/5″/10″/20″ |
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Angle units |
DEG/MIL/GON |
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Accuracy |
2″/5″/10″ |
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Display |
LCD LCD double sides |
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compensator |
Compensation range |
±3′ |
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Resolution |
1″ |
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Up laser point |
Wavelength |
635nm |
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Laser focusingpoint |
5mm/100m |
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Deviation between laser focusing point and telescope collimation axis |
≤5″ |
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Valid optical distance |
150m(Day) |
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Down Point type |
Down Laser plummet |
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Precision of plate vial |
30″/2mm |
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Precision of circular vial |
8′/2mm |
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Working Temperature |
-20℃~+50℃ |
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Power |
Battery |
Chargeable NiMH battery |
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Voltage |
6.0V |
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Instrument weight |
6.5kg |
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Volume |
180mm×166mm×355mm |
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