CMP-200
15
Measurements on Three-Phase Circuits
The branches or legs of three phase electrical circuits are typically labeled in any of the
following conventions:
• A, B and C
• L1, L2 and L3
• R, S, and T
They are referred to as R, S and T in this manual and on the meter.
Three-Phase Circuits: Settings Table for Voltage and Frequency
Measurement
Type of Selector Icons Red Lead Black Lead Clamp
Circuit Setting Displayed Connection Connection Location
any other
Voltage or 3ø3W or
Hz V Hz and V R, S or T
phase (or
N/A
Frequency 3ø4W neutral on
3ø4W only)
Three-Phase Circuits: Voltage or Frequency Measurement
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