Users Manual
Testing Appliances
17
Figure 5. Insulation Test Connections
DISPLAY EXPLANATION
INSULATION R
ISO
The insulation test has been selected.
seconds The test time is counted down.
MΩ
>
MΩ
R
iso
is 195 M.
R
ISO
overrange.
Limit
<2.0 MΩ CII
<1.0 MΩ CI
The test result is below one of the
recommended limits.
Riso is lower than 2 M (Class II)
Riso is lower than 1 M (Class I)
Substitute Leakage Current Test (I
SUBSTITUTE
)
The test measures the leakage current between
• the earth pin of the appliance cable plug (Class I)
or
• the test probe attached to the appliance under test
(Class II).
and the Live and Neutral pins of the appliance (pins are
connected together within the tester for this test).
It is essential to refer to standards and/or guidance
material for the safe applicability of this test.
To perform the Substitute Leakage Current test, do the
following:
1
Connect the appliance and the probe as
indicated on the tester, see also Figure 6.
For Class I appliances no probe is required.
For Class II appliances apply the probe to
any exposed metalwork on the appliance.
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