Measurement Procedure - Iwatsu SS-281A-H Instruction Manual

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.
a) As illustrated in Figure 4.1, release free end of Rogowski Coil
from the joint hole.
Figure 4.1 How to connect Rogowski Coil
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 8 mm from the joint hole
end. Insert the coil until bumping. 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 to be measured
before the attachment.
Joint box
Joint hole
Rogowski Coil
Chapter 4 Measurement
19