Hioki IR4057-50 - 3 Measurement; Pre-Measurement Inspection

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3
Measurement
3.1 Pre-measurement Inspection
Before using the instrument, verify that it operates normally to ensure that no
damage occurred during storage or shipping. If you nd any damage, contact
your authorized Hioki distributor or reseller.
Checking the remaining battery charge
Is the battery level adequate?
Set the rotary switch away
from OFF and conrm the
battery indicator.
Blinks
Replace with the new batteries.
(p. 22)
Turns on
Checking the test lead
Is the white portion
(insulation layer) inside
the cable exposed?
Exposed
Do not use and replace with
those specied by Hioki if
damage is present as you could
receive an electric shock.
Not Exposed
1. Set the rotary switch to
insulation resistance
range.
2. Short the test lead tips.
3. Is 0 M
Ω
displayed when
the MEASURE key is
turned on?
Not
displayed
The following issues may be
occurring:
• The test lead has not been
inserted all the way.
→
Insert the test lead all the way in.
• There is a broken connection in
the test lead.
→ Replace them with those
specified by Hioki.
Displayed
Inspection complete
Please read the “Operating Precautions” (p. 8) before use.
3 Measurement
1
2
4
5
6
7
付録索引
3
HIOKI IR4057B961-00