TS11/TS15, Technical Data
201
Air humidity
The air humidity influences the distance measurement if the climate is extremely hot
and damp.
For high precision measurements, the relative humidity must be measured and
entered along with the air pressure and the temperature.
Air humidity
correction
Index n
The index n is calculated from the formula of Barrel and Sears, and is valid for:
ppm Air humidity correction [mm/km]
%
Relative humidity [%]
C°
Air temperature [°C]
ppm
+5
+1
+2
+3
+4
+0
-10
-20
0
10 20
30 40
50
°C
100%
80%
60%
40%
20%
TS_104
Type
Index n
carrier wave [nm]
combined EDM
1.0002863
658
Air pressure p:
1013.25 mbar
Air temperature t:
12 °C
Relative air humidity h:
60 %
Содержание TS11
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