Campbell TDR100 Instruction Manual download pdf (Page 35)

TDR100

water content = 9.5%

water content = 25%

FIGURE 8-2. Waveforms collected in a sandy loam using CS610 probe

with RG8 connecting cable. Volumetric water content values are 10,

16, 18, 21 and 25%. Solution electrical conductivity is 1.0 dS m

-1

water content = 18%

water content = 37%

FIGURE 8-3. Waveforms collected in a sandy loam using CS610 probe

with RG8 connecting cable. Volumetric water content values are 10,

18, 26, 30 and 37%. Solution electrical conductivity is 10.2 dS m

-1

The combined effect of long cable runs and high soil electrical conductivity

must be considered when TDR measurements are taken.

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Campbell TDR100 Instruction Manual Page 35