7.
Carry out this procedure until all ground-leaks in your own construction
has been repaired. Surround the circuit, which runs from the generator,
as described in item 1 (FASE), in order to check as to whether there still is
a ground-leaks in the taro-circuit. Should there still be fluctuations, but
you are sure, that there is no longer ground-leaks in your own installation,
this may be caused by ground-faults outside of your own installation, in
the same trafo-circuit.
Use of Elma 4000 as leakage power-tongs.
In IT-nets this being done in the same manner as in TN- and TT-nets.
Use of Elma 4000 in direct current nets.
Elma 4000 also works in DC-nets, and is then being used in the same way
as in IT-nets. Just remember, that you here must connect the generator
between ground and the circuit (plus or minus), which has the ground-
fault. You may well use another instrument in order to determine this.
Voltage measuring 0 – 500VAC max.
1.
Place black measuring line in COM and red measuring line in Volt
(Voltage) inlet of the receiver.
2.
Set the function selector in~Volt (Voltage).
3.
Connect the measuring lines to the circuit, which is to be measured, and
read the value.
Change of battery.
The receiver contains a 9V battery, of type 6F22.
This is placed at the bottom at the rear of the instrument, behind a cover.
Remember, that the receiver shall be turned off and must not be connected to
net, when the battery is being changed.
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