Rogowski Coil Sensor - Iwatsu SS-281A-H Instruction Manual

Chapter 2 Names and Functions of Parts

2.3 Rogowski Coil Sensor

①
No. Name
 Rogowski Coil
 Joint box
 Joint hole
 Sensor cable
14
Current direction mark
A coil for detecting the current in conductors to be
measured. Forms a closed loop during measurement.
Covered with an insulating outer sheath for heat resistance
and insulation.
is Black : SS-280A Series
is Gray : SS-280A-H Series (*)
Note: This may discolor depending on the measurement
environment. It does not affect the specifications of the
instrument.
The sensor cable  is secured to one end so that the
Rogowski Coil forms a closed loop. There is a joint hole 
to secure the other end of the coil.
A part of the joint box  and has a hole to insert the
Rogowski Coil. The one end of the coil  can be removed
from this hole by hand.
A coaxial cable used to input the electromotive force
(differential value of the current) that is generated in the
Rogowski Coil to the main unit.
②
③
Description
④