Hioki IR3455 - Measuring Insulation Resistance

3.2 Measuring Insulation Resistance
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3.2 Measuring Insulation
Resistance
Observe the following to avoid electric
shock and short circuits.
A. Do not use the
instrument if the
shutter is broken.
B. Check Table 1
before connecting test leads to the
instrument.
C. Check to see if the object under test is
not live or electrically charged using a
high-voltage detector or other similar
instrument, before connecting test
leads to it.
Table 1
Check item Result Action
Are the mark
and key lamp
off?
Off Connect test leads to the in-
strument and check C. above.
If safe to proceed, connect the
test leads to the object under
test.
 Go to Table 2.
Blinking Press the key to stop
voltage generation.
Table 2
Check item Result Action
Are the mark
and key lamp
blinking?
Not blinking Measurement may be com-
menced
Blinking Immediately disconnect the
test leads from the object un-
der test and turn off power to
the object or discharge the
electric charge using a dis-
charge rod.
Shutter