3-4 Electrical Specification
Accuracy : ±(% of reading + number of digits) at 18℃ to
28℃ ( 64℉ to 82℉) with relative humidity to 80%.
The current error is specified within the largest circle which
can be drawn inside the jaw.
AC Voltage Trms measurement (V) :
Nominal power
system frequency
Display item : RMS voltage value for each channel.
AC Current Trms Measurement (A) :
Accuracy
(including current probe)
Nominal power
system frequency
Display item : RMS current value for each channel.
Active Power measurement P (KW) :
Display items : Active power of each channel and its sum of multiple channels.
Polarity display : For influx (consumption) No symbol, For outflow
(regenerative) “ - ”.
Apparent Power measurement S (KVA) :
Measurement method : Calculate from RMS voltage U and RMS current I.
Display item : Apparent power of each channel and its sum of multiple channels.
Polarity display : No polarity.
Reactive Power measurement Q (KVAR) :
Measurement method : Calculate from apparent power S and active power P,
Q=
.
Display item : Reactive power of each channel and its sum of multiple channels.
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