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Fig. 3. Axial response of the Trime T3 system in air-dry and saturated soils. A photograph of the probe is scaled to match its length with the x-axis scale of the graph. The response in air-dry soil was asymmetrical. The response in saturated soil was also asymmetrical and showed an intermediate peak coincident with the midpoint of the probe where the signal is carried on a flexible conductor between the upper set of plates on the right and the lower set on the left.
