21
CAUTION
If possible, before connecting the voltage test leads and current probe to the electrical equipment to be
tested, take off the electrical equipment’s power.
Connect the black voltage test alligator to the line “B”.
Connect the red voltage test alligator to the line “A”.
Connect the yellow voltage test alligator to the line “C”.
Press I1 current probe trigger to open the jaw and fully enclose the Line “A”.
Press I2 current probe trigger to open the jaw and fully enclose the Line “C”.
5. Press POWER key to select (P1, Q1, S1, PF1), (P2, Q2, S2, PF2) and (Pt, Qt, St, PFt) measured values.
6. Frequency (Hz), Phase Angle (
Θ
) and Power Factor (pF) measurement:
Hz : Press “Hz” key, PF1 will show “Hz”. Press “PF” key to exit.
Θ
: Press “
Θ
” key, PF1 will show “
ψ
”. Press “PF” key to exit.
pF : Press “PF” key.
7. Energy measurement:
Press “ENERGY” key, the “Pt”, “Qt”, “St” and “PFt” or “
ψ
t” annunciator
and energy integrate start time are displayed. The energy integrate value and the current time will be continuous
accumulate.
a). KW displays KWh
b). KVAR displays KVARh c). KVA displays KVAh
Press “ STOP ” key to stop energy accumulated and the HOLD annunciator is displayed.
Press
∝
key to exit the energy measurement.
5-5 Three-Phase 4-Wire (3P4W) Power System Measurement
Application : Same as 3P3W power system measurement.