Hioki 3290-10, Instruction Manual

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4.1 Verifications Before Measuring
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M
easurement
P
ro
cedure
Before using the meter the first time, verify that it operates normally
to ensure that the no damage occurred during storage or shipping.
If you find any damage, contact your dealer or Hioki representative.
Measurement Procedure
4
4.1 Verifications Before Measuring
Verification Location Verification Content Corrective Procedure
Clamp-on
sensor
Jaw
teeth Are they been deformed? If the teeth are deformed, current
measurement cannot be performed.
Contact your dealer or Hioki repre-
sentative.
Sensor
element
Is it cracked or damaged
or bare metal exposed? If damaged, an electric shock acci-
dent could occur, so contact your
dealer or Hioki representative.
Cables Is the insulation dam-
aged or bare metal
exposed? If damaged, contact your dealer or
Hioki representative.
Model
3290-10 Battery
Is the indicator dis-
played?
indicates low battery voltage. In
this state, proper measurement
may not be possible, so the batter-
ies should be replaced.
Range Is the range supported
by the clamp-on sensor? Verify the selected range with the
button (range are described
on the battery cover). If the current
being measured exceeds the
selected range, current consump-
tion is high and the batteries are
discharged quickly.
Zero con-
firmation In AC mode, is the dis-
played value near 0 A? If the displayed value is not near 0
A, contact your dealer or Hioki rep-
resentative.
In DC mode, is the dis-
played value near 0 A?
Press
SHIFT
→
(
0ADJ
) to
execute automatic zero adjustment.
Verify that the displayed value is
now near 0 A.
In DC or AC mode, with
output enabled and an
output cord connected to
OUT1 or OUT2, is the
value read by a DMM
near 0 V DC? If the output is not near 0 V, contact
your dealer or Hioki representative.