MI 2140 MI 2140 Omega &BetaPAT Instrument description
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Substitute leakage current test of Class II appliances
For Class II appliances earth bond test clip is used as a substitute for PE. Ensure that
the connected metal part is not in contact with external ground connection (see picture).
OR
CLASS
PPLIANCE
UNDER
TEST
II
Fig. 4.21 Substitute leakage current test connection for Class II appliance
How to carry out single Substitute leakage current measurement:
STEP 1. In the MAIN MENU window select SINGLE TEST and confirm with the
ENTER key.
STEP 2. In the SINGLE TEST window select SUB LEAKAGE and confirm with the
ENTER key.
STEP 3. The parameters of the measurement are detailed in the upper right corner of
the display. To change these parameters first press the F1 (EDIT) key and
then use cursor keys to select the required parameter. The highlighted limit is
changed with the UP and DOWN keys, movement between parameters is
possible with the LEFT and RIGHT keys. To save new limits press the F1
(SAVE) key. The test can now be performed.
Fig. 4.22 Substitute leakage current initial diaplay
STEP 4. Press the START key to perform test.
STEP 5. PASS / FAIL result is shown on the display. Repeat the test with the START
key or return to SINGLE MODE main screen with the ESC key.
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