4.4 Displaying the Test Result
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The test result is displayed on the screen. ”PASS” or “FAIL” screening is con-
ducted according to the insulation-resistance test termination mode settings
based on whether a measured-resistance value exceeded the upper- or lower-
limit value.
If the output voltage fails to reach the test voltage within approximately 5 sec-
onds after the START key is pressed, the instrument returns a UPPER/LOWER
FAIL result.
In the following cases, tests are terminated, and , , and
light up:
• If the output voltage does not reach the set test-voltage.
• During the test, if the output voltage deviates from test-voltage and does not
return to the set value within 5 seconds.
4.4 Displaying the Test Result
Even following a test, there may be a residual voltage at the output termi-
nal. Therefore, to prevent electric shock, check the following before touch-
ing the output-voltage terminal, test lead, or tested object, make sure that
no high voltage is being applied between the output terminals.
Front panel
•The DANGER lamp is
OFF.
• The lamp is lit
(it is off in the Double
Action mode).
Display Test result
is lit
PASS will appear when the resistance measurement value
is lower than the upper-limit test value and higher than the
lower-limit test value.
is lit
FAIL will appear when the resistance measurement value is
higher than the upper-limit test value or lower than the
lower-limit test value.
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