Total Station NPL-322 Instruction Manual 115
Menu Key 5
Distance
To open the Distance menu, press [2] or select Distance in the Settings menu
Temperature and Pressure corrections
Sea Level correction
Curvature and Refraction correction
Because the surface of the earth is curved, the vertical difference (VD and Z) at the
measurement point, as referenced to the horizontal plane, inevitably includes some
error. This error is called curvature error. Also, because the density of the air
Scale Numeric value between 0.999600 and 1.000400
T-P corr. ON/OFF
Sea Level ON/OFF
C&R corr. OFF/0.132/0.200
The Scale, T-P corr., Sea Level, and C&R corr. job settings cannot be changed once a job is created.
SD Slope dist. (before adj.)
SD' Slope dist. (after adj.)
K Compensation coefficient
P Pressure (hPa)
T Temperature (°C)
HD Horizontal dist. (before adj.)
HD' Horizontal dist. (after adj.)
Z
STN
Instrument-Z
R
e
6370 km
K275
106 P
10000.0
13.5951 980.665×
---------------------------------------------
⎝⎠
⎛⎞
××
273 T+
---------------------------------------------------------------------------
–=
SD' 1
K
1000000
---------------------+
⎝⎠
⎛⎞
SD×=
HD'
HD R
e
×
R
e
Z
STN
+
------------------------
=
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