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", the DE5A has 5", and the DE10A has 10"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.
FEATURE:
1. Incremental code system is adopted and two sides of LCD display plates can save power and display clearly.
2. High integrated electronic boards and all famous IC elements are high quality.
3. Steel axes imported lubricating oil and metal shell are adopt
SPECIFICATION:
Model |
DE2A/B |
DE5A/B |
DE10A/B |
|
Telescope |
|
|
|
|
Length |
165mm |
165mm |
165mm |
|
Objective lens aperture |
φ45mm |
φ45mm |
φ45mm |
|
Magnification |
30X |
30X |
30X |
|
Image |
Erect |
Erect |
Erect |
|
Field of view |
1°30＇ |
1°30＇ |
1°30＇ |
|
Resolving power |
3. 3〞 |
3. 3〞 |
3. 3〞 |
|
Shortest sighting dictance |
1m |
1m |
1m |
|
Additive constant |
0 |
0 |
0 |
|
Stadia proportion constant |
100 |
100 |
100 |
|
Angle measurement |
|
|
|
|
Minimum reading |
1〞/5〞 |
1〞/5〞/10〞 |
1〞/5〞/10〞/20〞 |
|
accuracy |
2〞 |
5〞 |
10〞 |
|
Display |
|
|
|
|
Display mode |
Double sides display |
Double sides display |
One side |
|
illuminiation |
Provide |
Provide |
Provide |
|
Compensator |
|
|
|
|
Tilt sencor |
A Provide / B unprovide |
A Provide / B unprovide |
A Provide / B unprovide |
|
Compensating range |
±3＇ |
±3＇ |
±3＇ |
|
Optical plummet |
|
|
|
|
Magnification |
3X |
3X |
3X |
|
Field of view |
5° |
5° |
5° |
|
Focusing range |
0. 5m～∞ |
0. 5m～∞ |
0. 5m～∞ |
|
Level sensitivity |
|
|
|
|
Plate level |
30〞/2mm |
30〞/2mm |
30〞/2mm |
|
Circle level |
8＇/2mm |
8＇/2mm |
8＇/2mm |
|
Data output |
|
|
|
|
Output interface |
RS232C |
RS232C |
RS232C |
|
Power supply |
|
|
|
|
Rechargeable battery |
1800mAh Ni-MH |
1800mAh Ni-MH |
1800mAh Ni-MH |
|
Battery working time |
10-20h |
10-20h |
10-20h |
|
Others |
|
|
|
|
Waterproof class |
IP45 |
IP45 |
IP45 |
|
Tribrach type |
Detachable |
Detachable |
Detachable |
|
Working temperature range |
-20℃～+50℃ |
-20℃～+50℃ |
-20℃～+50℃ |
|
Dimension |
150X165X335 |
150X165X335 |
150X165X335 |
|
Weight |
5kg |
5kg |
5kg |