China New Brand Digital Theodolite DE2A
DE2A Electronic Theodolites
1.Length: 165mm
2.Stadia proportion constant: 100
3.Rechargeable battery: 1800mAh Ni-MH
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.
|
odel
|
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
|
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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
|
