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S0180
19 Quick
Start Guide
- A6M
2. Connect your Auditor
continued
WW0
18021 Quick
Start Guide
- A3R
Rogo
wski
Coil
Rogowski Coil Direction
Install Rogowski coils (R-coils) such that:
• For grid monitoring: arrow is from grid
• For solar monitoring: arrow is from inverter
• For load monitoring: arrow is towards the load.
About the R-coils:
•
Only Wattwatchers-supplied R-coils are supported.
•
Only modified A3R Auditors can be used for R-coils
(because Auditors for use with split-core current
transformers have a different hardware configuration).
•
Wattwatchers R-coils are used when the measured
current is greater than 600A, up to 3,000A, or when the
aperture required is greater than 36mm in diameter.
• R-coils must be a loose fit around the conductor and the
two ends must join completely.
• Wattwatchers 3,000A R-Coils can be used to measure
200A or more.
