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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 | -20+50 |
Dimension | 150X165X335 |
Weight | 5kg |
DE2A Theodolites