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PowerMetrix PowerMaster 3 Series User Manual

PowerMetrix PowerMaster 3 Series
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STEP 9
Connect the blue (+) and
move the white (-) voltage
cable connections to the CT
secondary for C phase
STEP 10
Press F6 to test C phase CT
STEP 11
Press F6 to save and
complete
11.3.3 Calculated Burden with Connections at Test Switch and
Common Neutral Phase
This set of instructions is for an application where the CT secondary connections cannot be
accessed. All voltage and current measurements are made at the test switch. The total
resistance (burden) is calculated by adding the wire burden and the measured burden. The wire
burden is derived from the length and diameter (AWG) of the wire. Length is based on the
distance from the CT secondary connection to the test switch and back. For example, if the
distance from the meter to the CT is 3 feet, it is assumed the total length to and from the return of
the CT is 6 feet. AWG can typically be determined by a notation imprinted on the insulation of the
wire (ex. 12 AWG).
STEP 1
Insert direct current probes
and move A, B, C voltage
clips to top of currents.
Connect white voltage clip to
Neutral.
STEP 2
Input the total length and
diameter (AWG). Verify
“Simultaneous Measurement”
is selected. Press F6 to
continue.
STEP 3
Test will begin automatically
Rev 1.5 102

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PowerMetrix PowerMaster 3 Series Specifications

General IconGeneral
BrandPowerMetrix
ModelPowerMaster 3 Series
CategoryMeasuring Instruments
LanguageEnglish