Campbell TDR Manual Pagina 19

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Appendix A. Discussion of TDR Probe Offset and a Simple Laboratory Method for Calculation
thWindowLeng
1datapoints
end
:end
index
distance
=
65.0start
distance
=
4.3end
distance
=
(
)
p
distancep
V
endV
distance
startLa
:obeOffsetPr
+
=
0tProbeOffse
086.
=
TABLE A-1. Dielectric permittivity
values for range of temperatures.
From equation [A5].
Temperature (
°C)
Dielectric
Permittivity
15 82.23
15.5 82.04
16 81.85
16.5 81.67
17 81.48
17.5 81.29
18 81.1
18.5 80.92
19 80.73
19.5 80.55
20 80.36
20.5 80.18
21 79.99
21.5 79.81
22 79.63
22.5 79.44
23 79.26
23.5 79.08
24 78.9
24.5 78.72
25 78.54
25.5 78.36
26 78.18
26.5 78
A-5
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