Hi-Target HTS-420R - Remote Height Measurement; Remote Height with Known Prism Height

Total Station Manual
- 100 -
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6 If the target
points are set, then
can press [F3] (Result)
to show the [Area
Result] window to
view the result.
[F3](Result)
New Area
[Area Result]
Graph Add PT
偏置模式 :
Area ： 0.001 ha
PT Count： 3
Area ： 12.362 sqm
Perimeter： 15.654 m
Area ： 144.125 sqfi
※ In [Area Result] window:
Press [F1] (New Area) to restart a new Area application.
Press [F2] (Graph) to show the area graph projected onto the horizontal plane.
Press [F4] (Add PT) to return the current Area application and continue
operation.
Press [ESC] to exit the Area application.
※In all of the above operation, press [ESC] to return to the previous screen.
10. Remote Height
Remote Height is an application used to measure the height to the target (such
as electriccable, bridge, etc.) where can’t be set prism.
α
P0
P1
P2
d
P0 Instrument station
P1 Base point
P2 Remote point
d Height difference from P1 to P2
S
S Slope distance
α Vertical angle between base point
and remote point
Prism High Known
If the high of prism is known, the calculation formula of the remote height is:
H = S * cosα
1
* tanα
2
– S * sinα
1
+ V
H Height difference between the base point and the remote point
V Prism High
α
1
Vertical angle to prism
α
2
Vertical angle to target