Polarity display : For phase lag (LAG : current is slower than voltage) :
No symbol.
For lead phase (LEAD : current is faster than voltage) : “-”
Power Factor measurement (COS
ψ
) :
Measurement method : Calculate from apparent power S and active power P,
PF =
COS
ψ
=
Display item : Power factor of each channel and its sum of multiple channels.
Phase angle measurement (
ψ
) :
Measurement method : Calculate from power factor COS
ψ
,
ψ
=
COS
-1
PF
.
Display item : Phase angle of each channel and its sum of multiple channels.
Polarity display : For phase lag (LAG : current is slower than voltage) :
No symbol.
For phase lead (LEAD : current is faster than voltage) : “-”.
Frequency measurement (Hz) :
Measurable input range : > 50V
Three Phase Sequence Detection :
Active Power Energy measurement (KWh) :
Measurement display : Display all active power consumption energy (sum of
absolute values).
Apparent Power Energy measurement (KVAh) :
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