Technical
Specifications
Copyright © Itech Electronics Co., Ltd.
46
Item
Specification
• PF=3: the values of the input signal Upk and Ipk are less than
300% of the current setting range
• PF=6: the values of the input signal Upk and Ipk are less than
600% of the current setting range
Name
Symbols and meanings
Measurement
parameters
voltage
current
Select RMS(the true RMS value of voltage
andcurrent)
、
MEAN:(the rectified mean
value calibrated to theRMS value of the
voltage andthe true RMS value of the
current )
、
RMN (rectified mean value of
voltage and current
DC:(simple average of voltage and
current)
、
AC: alternating current
、
PP: (peak value
of voltage and peak value of current )
active power [W]
P
reactive power [var]
Q
apparent power [VA] S
power factor
PF
phase difference (°)
φ
frequency(Hz)
fU
(FreqU): voltage frequency
、
fI (FreqI):
current frequency
max/mix of voltage
(V)
Upk+: voltage positive peak
、
Upk- : voltage
negative peak
max/mix of current
(A)
Ipk+: current positive peak
、
Ipk- : current
negative peak
crest factor
(The ratio of peak
value and RMS)
Ucf: crest factor of voltage, Icf : crest factor
of current
integration
TM:integration time
、
WP:sum of positive
and
negative watt hour
、
WP+:positive power
sum
、
WP-:negative power sum
、
q:sum of positive
and negative ampere-hour
、
q+:positive
ampere
-hour sum
、
q-:negative ampere-hour sum
Measurement
synchronization
source
Select voltage, current, or the entire period of the data updata
interval for the signal used to achieve synchronization during
measurement.
Line filter
Select OFF or ON (cutoff frequency at 500Hz)
Peak
measurement
Measures the peak (max,min) value of voltage,current or power
from the instantaneous current or instantaneous power that is
sampled.
