Preparing for first-time use
56 Testboy
®
TV 470
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.
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.
Several measurement options are available:
|
Measurement using the test sockets (only for protection class-I devices)
(Illustration 3)
|
Measurement using the test leads (Illustration 4)
|
Measurement using the test sockets and the test leads (Illustrations 5
and 6)
Содержание TV 470
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