Insulation Resistance Measurement (R-Iso) - TESTBOY TV 470 Bedienungsanleitung

Preparing for first-time use

Insulation resistance measurement (R-ISO)

Illustration 3
Connect the DUT to the DUT socket as shown in Illustration 3.
The DUT has to be switched on in order to be tested correctly.
With this measurement, make sure that all switches, regulators etc. are acti-
vated in order to test completely the insulation on all active parts.
Several measurement options are available:
Measurement using the test sockets (only for protection class-I devices)
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(Illustration 3)
Measurement using the test leads (Illustration 4)
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Measurement using the test sockets and the test leads (Illustrations 5
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and 6)
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WARNING
If a no-load voltage of up to 650 V is applied to the test leads
this will also be indicated by the illumination of the red LED 4.
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Testboy TV 470