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REVEXmax - User's Manual
4.3
Earth bond - Rpe
WARNING
Do not connect any external voltage between the R
and the PE in Test Socket 1 or PE terminal.
If you are going to test equipment which can be charged to volt-
age >25 V (e.g. filter capacitors), discharge it before the test!
If external voltage is present on the device under test, the message
(Interference voltage at the input) is displayed. This status is a
dangerous fault condition; disconnect the DUT from the REVEXmax
immediately to avoid damage!
Resistance measurement is also possible if the REVEXmax is con-
nected to the IT mains.
We recommend performing the measurements for a max. of 30 secs.
because of power dissipation inside the instrument (only for value
<10.00 Ω). If the temperature inside exceeds the allowed limit, the
symbol
4.3.1
Test lead resistance compensation
Compensation means that the test lead resistance is measured and then
automatically memorized and subtracted from all Rpe measurements.
The real earth bond resistance is thus displayed. The compensation
constant remains in the instrument's memory even if the instrument
is switched off. Therefore, the lead compensation is valid until a new
compensation is carried out.
Procedure:
Press the [3 R
Plug the test lead with the test tip into the R
Plug the test tip of the test lead either into the PE terminal or press it
against the ground pin of the Test Socket 1. If you use two test leads (which
are connected to the PE terminal and the R
circuit of their test tips.
Press the [TEST] key and release it.
Press the [Cal] key and release it. The measured value is saved.
c 2019 ILLKO, s.r.o.
is displayed and the acoustic signal sounds.
] key and release it.
PE
www.illko.cz
4 Measurements
terminal.
PE
terminal), then make a short-
PE
terminal
PE
Page 22
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