3
3.1
Distance measure-
ment
Angle measurement
NA320/24/32, 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 line (l
):
1
Lower distance line (l
):
2
Difference L
:
Δ
Result
Distance d:
5
2.670 m
-2.502 m
0.168 m
x 100
16.8 m
en
9