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Operating Manual
ENV216
3560.6550.12 -01-
6.2
E-1
Measuring the Protective earth conductor's resistance
The resistans of the PE connection must be checked by a measurement according to fig. 1.
The test current is set to 10 A
DC
.
Fig 1.: Measuring the resistance of the PE connection with device disconnected from the mains.
In addition to the usual points, measurements should also be taken from the PE contact of the mains
plug to the bolt on the rear panel of the ENV216.
The resistance of the PE connection is calculated from the voltage reading divided by the supplied cur-
rent.
PE
DC
Current
Source
Voltmeter
Power
Cord
+
+
-
-
I
=
10
A
ENV216
Rear Panel
L
N
PE
Equipment under Test
ho
us
in
g
Earth Ground Resistance Tester
Содержание 3560.6550.06
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