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S018019 Quick Start Guide - A6M
2. Connect
your Audit
or
continued
WW018021 Quick Start Guide - A3R Rogowski Coil
Rogo
wski Coil Dir
ection
Install R
ogow
ski coils (R-c
oils) such tha
t:
• F
or grid monit
oring: arrow is fr
om grid
• F
or solar monitoring: arr
ow is fr
om invert
er
• F
or load monitoring: arr
ow is t
ow
ards the load.
About the R-coils:
•
Only Wattw
atchers-supplied R-c
oils are support
ed.
•
Only modified A3R Auditors
can be used for R-c
oils
(because Auditors f
or use with split-c
ore
current
transf
ormers have a
differ
ent hardw
are
configur
ation).
•
Wattw
atchers R-c
oils are used
when the measured
current is
grea
ter than 600A,
up to 3,
000A, or
when the
aperture r
equired is
grea
ter than 36mm in
diameter
.
• R-c
oils must be a loose fit ar
ound the conduct
or and the
two ends
must join c
ompletely
.
• W
attw
atchers 3,
000A R-Coils can be used t
o measure
200A or mor
e.
