Operating Modes
38
5.2.2 Sheath Fault Pinpointing
After high voltage has been enabled and, if necessary, the desired voltage has been
set, the fault position can be accurately pinpointed by means of an earth fault locator
(e.g. ESG NT).
For more details about operating the earth fault locator, please read the
accompanying instructions.
WARNING
Do not leave the system in operation unattended and accessible to the
third parties. Cordon off the location in a secure manner or instruct an
authorised person to monitor the system.
If a test time was defined, the high voltage is automatically switched off at the end of this
time. In continuous operation mode, it must be switched off manually using the “HV Off”
button or the menu item .
Irrespective of whether the high voltage is switched off automatically or manually, the
high voltage output is earthed and the test object is discharged by means of an internal
discharge-resistor.
The test data logged up to the switch-off are recorded in the history database (see page
29) and, if necessary, on the inserted USB flash drive as well.
faults
measurement
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