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F1 Button: Pop-up and shut down Insulation Voltage Selection menu,
shut down mode is activated when the user selects.
F2 Button: Pop-up and shut down Insulation Beeper menu, shut down
mode is activated when the user selects.
F3 Button: Pop-up and shut down Insulation Auto Lock menu, shut
down mode is activated when the user selects.
F4 Button: Pop-up and shut down Insulation Megaohm Reference
menu, shut down mode is activated when the user selects.
Up Button: Up menu to select the current active sub-options.
Down Button: Down menu to select the current active sub-options.
Enter Button: Confirm the user select mode.
4.7.2. lnsulation Resistance Display/Switch and Terminal Settings
WARNING: Measurements should only be performed on de-energized
circuits.
1. Turn the rotary switch to the INSULATION Position.
2. Use the L and N (Red and Black) terminals for this test.
3. Press F4 Button and set limit value (optional).
4. Use the F1 Button to select the test voltage, most insulation testing is
performed at 500V, but observe local test requirements.
5. Press and hold TEST Button until the reading settles and the tester
beeps.
Note:
• Testing is inhibited if voltage is detected in the line.
• The primary (Upper) display shows the insulation resistance.
• The secondary (Lower) display shows the actual test voltage.
• For normal insulation with high resistance, the actual test voltage (UN)
should always be equal to or higher than the programmed voltage, if
insulation resistance is bad, the test voltage is automatically reduced
to limit the test current to safe ranges.
4.8.Using the RE Function
4.8.1. Earth Resistance Display/Switch and Terminal Settings
• The earth resistance test is a 3-wire test consisting of two test stakes and
the earth electrode under test.
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