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will go into 250v insulation test mode and the screen will display ‘250 test’.
The insulation test voltage reduces from 500V to 250V to allow for the testing of
surge protected appliances and leads.
Please note: each insulation test carried out in this mode will be at 250V.
To exit this mode turn the tester off and back on.
Testing a Long Cable up to 30 metres
To test a long extension lead or cable ensure the tester is in long lead mode by
pressing and holding the
button for 5 seconds. To exit this mode turn off the
tester.
Checking a Mains Power Supply
The unit comes complete with a built in socket tester which will check to ensure
Summary of Contents for UT528
Page 1: ...P N 110401105431X REV 3 DATE 2015 07 15 ...
Page 2: ...Overview UT528 528AU UT528 528AU from UT528 528AU Main Unit UT528 528AU ...
Page 4: ...UT528 528AU ...
Page 12: ...UT528 528AU UT528 528AU ...
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