T.O. 33B-1-14-25Figure 4-20. Impedance Diagram Illustrating Effects of Variable Conductivity4.3.3.3 TypicalUses.The impedance diagram shown in Figure 4-20 illustrates that the conductivity curve can be used to measure the relativeconductivity of an unknown material by comparing the position of its indication on the conductivity curve to thepositions of indications from known materials. Notice also that the lift-off lines are in a different direction than theconductivity line. Changes in conductivity and lift-off are said to have different phase angles. This phase angledifference is further illustrated in Figure 4-21.
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