Measurement of ground current (DET3TC, DET4TC2 and DET4TCR2)
Before measuring ground current, please follow the procedure contained in the section on ICLAMP
calibration.
1. Ensure the rotary selector switch is in the OFF position.
2. Connect the instrument as shown in Figure 29.
Figure 29: instrument connection for measuring ground current
3. Close the ICLAMP around the conductor under test.
4. Set the rotary selector switch to the A position.
5. The ground current flowing in the conductor will be displayed as shown in Figure 30.