Connect up the electrodes, current-measuring device and power supply as shown in Figure 2 or 3 for volume or surface resistivity measurement, respectively.
Short-circuit the guarded electrode and the unguarded electrode, as indicated in Figures 2 and 3, such that any residual charge on and in the test piece is eliminated. This operation shall be carried out on all conditioned test pieces, including those that have been discharged by sandwiching them between metal plates during conditioning.