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3.4 Measurementof Watts / VA / PF / kWHr
( S i n g l eP h a s e )
o
o
.
3.5 Measurementof W / VA / PF / kWHr in a
b a l a n c e ds y s t e m ( 3 P h a s e )
Movethe rotaryswitchto the W position.
-
r
L.l
Insertthe tesi leadsintothe socketson the frontof
the instrumenl.Connectthe red leadto the V
terminal,and the blackleadto the COM terminal.
.
PTessthe triggerto openthe jaws,and clampthem
on the currentcarryingconduclor,as shownin
Fig.4.
-Readthe display.Use the
key to changethe
parametersdisplayed.
Screen1 = kVA,kW. kVAR,PF. kWHr
S c r e e n2 = V R M S ,A R M S ,k W , P F ,A H r
a
Use the HOLD key to freezethe display
LI
L 1
Fig 5
U1e_the
REC key to enlerRECORDmode Use the
Watts3Z Configuration
key to show the MAX, MlN,AVG displaysof
the screenreadings.Pressthe REC key againto
exit.
Movethe rolaryswitchto the W3Z position.
A screenprompt,Fig.5, indicatesthe above
methodof conneclion.
Insertthe test leadsintothe sockelson the frontof
the instrument.Connectthe red leadto the V
terminaland the blackleadto the COM terminal.
.
Applythe test leadsto the circuitundertesl:
Red leadto PhaseL2
Blackleadto PhaseL3
Pressthe triggerto openthe jaws and clampthem
aroundthe currentcarryingPhaseL1, as shownin
Fig 5.
Readthe display.Use the ' - | key to changelhe
parameters
displayed.
S c r e e n l= k V A ,k W , k V A R ,P F , k W H r
S c r e e n 2= V R M S ,A R M S ,k W , P F ,A H r
.
Use the HOLDkey to freezethe display.
.
Use the REC key to enterRECORDmode. Use the
1 1- key to showthe MAX.
MlN, AVE displaysof
the screenreadings.Pressthe REC key againto
exit this mode.
W3Z giveslhe totalpowerbasedon a balanced
system.
Fig 4
Single Phase Watts Measuremenr