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DE2A Electronic Theodolites
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DE2A Theodolites
The DE Series model numbers that reflect angle accuracy and have common features. All models have dual displays, and a detachable tribrach.
The DE2A has 2"angle accuracy. Horizontal and vertical angles can be observed simultaneously on the large 2 line, back-lit LCD displays. Other standard features include a horizontal angle zero set, automatic power off to conserve batteries, and a battery life indicator on the LCD display.
|
Model |
DE2A |
|
Length |
165mm |
|
Objective lens aperture |
φ45mm |
|
Magnification |
30X |
|
Image |
Erect |
|
Field of view |
1°30 |
|
Resolving power |
3.3 |
|
Shortest sighting dictance |
1m |
|
Additive constant |
0 |
|
Stadia proportion constant |
100 |
|
Minimum reading |
1 |
|
accuracy |
2 |
|
Display mode |
Double sides display |
|
illuminiation |
Provide |
|
Tilt sencor |
Provide |
|
Compensating range |
±3 |
|
Magnification |
3X |
|
Field of view |
5° |
|
Focusing range |
0.5m∞ |
|
Plate level |
30/2mm |
|
Circle level |
8/2mm |
|
Output interface |
RS232C |
|
Rechargeable battery |
1800mAh Ni-MH |
|
Battery working time |
10-20h |
|
Waterproof class |
IP45 |
|
Tribrach type |
Detachable |
|
Working temperature range |
30 |
|
Dimension |
150X165X335 |
|
Weight |
5kg |
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