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Insulation Testers
Buttons and Indicators
7
Table 3. Buttons and Indicators
Button/
Indicator
Description
Press the blue button to select alternate
measurement functions.
Press to configure the Tester for a
polarization index or dielectric absorption
ratio test. The test will start when you press
the button.
Sets a pass/fail limit for insulation tests.
Test lock. When pressed before the
button, the test remains active until you
press the lock or test button again to
release the lock.
Turns the backlight on and off. The
backlight goes off after 2 minutes.
Button/
Indicator
Description
Initiates an insulation test when the rotary
switch is in
INSULATION position. Causes
the Tester to source (output) a high voltage
and measure insulation resistance.
Initiates a resistance test when the rotary
switch is in the ohms position.
Unsafe voltage warning. Indicates 30 V or
greater (ac or dc depending on the rotary
switch position) is detected on the input.
Also appears when the display shows in
the switch positions, and when
appears on the display. The also appears
when insulation test is active.
Pass indicator. Indicates when the
insulation resistance measurement is
greater than the selected compare limit.
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