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4.2 Measurement Procedure
(1) Make sure that all preparations described in the previous section are
completed.
(2) Set up a target to be measured so that it can be used.
Do not energize the target to be measured even when it is ready
to be used.
Warning
(3) Place the target to be measured through the Rogowski Coil Sensor
part.
a) As illustrated in Figure 4.1, to release the lock of the Rogowski
Coil, be sure to turn the screw lock in a direction opposite the
direction indicated by "LOCK" until you feel a click. After releasing
the lock, remove the one end of the Rogowski Coil from the joint
hole.
Joint hole
b) Loop the Rogowski Coil around the conductor to be measured.
c) Insert the Rogowski Coil into the joint hole.
*: The insertion length of the coil is about 32 mm from the joint hole
end. Insert the coil until it clicks into place. To lock the Rogowski
Coil after the insertion, be sure to turn the screw lock in the
direction indicated by "LOCK" until you feeling a click. To achieve
accurate measurement, be sure to insert the end of the coil into
the joint hole securely.
・
Do not energize a target to be measured before
attaching the Rogowski Coil of this instrument
to the target. It is dangerous to apply power to
the
target
attachment.
Joint box
Figure 4.1 How to Release Rogowski Coil
Chapter 4 Measurement
to
be
measured
Screw lock
Rogowski Coil
before
the
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