Leica Geosystems NA520 Gebrauchsanweisung Seite 11

3
3.1
Distance measure-
ment
Angle measurement
NA520/24/32, Operation
Operation
Distance and Angle measurement
l
1
∆
L
l
2
d
L ∆ = l -l
1 2
d = L x 100
∆
003990_001

Distance d = L x 100
Δ
B
4
1
A
3
2
003991_001
Step Description
1. Align instrument to point A.
2. Turn Hz-circle to "0".
3. Align instrument to point B.
4. Aim on the centre of the staff.
5. Read off Hz-angle from Hz circle. In this example the Hz-angle is 60°.
Calculating the distance
Reading
Upper distance 2.670 m
line (l ):
1
Lower distance -2.502 m
line (l ):
2
Difference L : 0.168 m
Δ
x 100
Result
Distance d: 16.8 m
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