Operating Instructions
Prior to operating your insulation resistance tester, inspect your
instrument for:
1. Cracks or damage to the housing.
2. Water intrusion or condensation on the display.
3. Damaged test leads.
4. Low batteries.
• Check the IRT3 by pressing the
Press to Test
button - the red LED light should flash rapidly if
batteries are good
• Check the DMEG3 by turning the instrument
power on and pressing the
Press to Test
button
if defective, “
Lo Bat
” will be displayed on the LCD
5. Properly installed and fully seated test leads.
• Black test lead is inserted in the “
EARTH
” jack
• Red test lead is inserted in the “
LINE
” jack
Replace the test leads if there is any visible or measurable
damage. Replace batteries if needed (refer to the maintenance
section of this manual). If there is any damage to the
instrument, it must be returned to UEi for repair.
Installing Test Leads
Test leads must be installed prior to any measurement or
detection procedure.
1. Connect the black test lead to “
EARTH
”, ensuring it is
fully seated.
2. Connect the red test lead to “
LINE
”, ensuring it is
fully seated.
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