Leica TS13 - Reduction Formulas

Atmospheric corrections in ppm with temperature [°F], air pressure [inch Hg]
and heig
ht [ft] at 60% relative humidity.
TS_109
130°F
120°F
110°F
100°F
90°F
80°F
70°F
60°F
50°F
40°F
30°F
20°F
10°F
0°F
-10°F
-20°F
130°F
120°F
110°F
100°F
90°F
80°F
70°F
60°F
50°F
40°F
30°F
20°F
10°F
0°F
-10°F
-20°F
16
[ ft ]
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 inch Hg
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 inch Hg
16000 15000 14000 13000 12000
11000
10000
9000 8000 7000 6000 5000 4000 3000 2000 1000
o ft
-15
-20
-25
-30
-35
-40
-45
-50
-55
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
7.13 Reduction Formulas
The reduction formulas are valid for measurements to all reflector types:
•
T
o prisms
•
To reflector tape
•
Reflectorless measurements
Available formats depend on the instrument.
Format Description
•
Ins
trument display
•
DBX
•
ASCII
•
GSI
•
Corrections for the atmospheric
ppm are applied to the slope dis-
tances according to the formu-
las.
•
XML export
•
Output without corrections for
the atmospheric ppm
•
ppm is stored as metadata
•
Corrections are applied during
later input, for example to Infin-
ity
Atmospheric
co
rrections °F
Reflector types
Slope distance -
co
rrections
Technical Data 77