Leica TPS1200+ Series, User Manual

Page: 193 / 214

Technical Data 193
• Air pressure to 3 mbar
• Relative humidity to 20 %
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
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%
TPS12_050
Type Index n carrier wave [nm]
combined EDM 1.0002863 658