MI 2140 MI 2140 Omega &BetaPAT Instrument description
19
OR
CLASS
PPLIANCE
UNDER
TEST
I
Fig. 4.13 Connection of Class I appliance
Insulation test of Class II appliances
For Class II appliances (and non-earthed parts of Class I appliances), the test voltage is
applied between the live pins (L and N lines are shorted together in the tester) and the
earth bond test clip that is attached to the metal parts of the appliance.
Before testing, check that the test will not cause any damage to the appliance.
OR
CLASS
PPLIANCE
UNDER
TEST
II
Fig. 4.14 Connection of Class II appliance
Insulation test of IEC leads
When testing IEC leads, the lead’s end can be connected to the IEC CORD terminal.
This is recommended when performing a complete IEC CORD test (no need for
reconnection during test).
IEC CORD
UNDER
TEST
Fig. 4.15 Insulation test of IEC cord