Datasheet

8.6 Measuring Modes and Parameters
Measurement mode
Measured parameters
Oscilloscope
Vrms, Arms, Vcursor, Acursor, Hz
Voltage/current/frequency
Vrms, Vpk, Vcf, Arms, Apk, Acf, Hz
Dips&Swells
Vrms1/2, Arms1/2, capture up to 1000 events, include date, time,
duration, magnitude and phase mark, and threshold is
programmable settable.
Harmonic
1-50, harmonic voltage, THD voltage, harmonic current, THD
current, interharmonic voltage, interharmonic current
Power and energy
W, VA, VAR, power factor, shift power factor, Arms, Vrms, kWh,
kVah, kVARh
Flicker
Pst (1 minute), Pst, Plt, PF5
Unbalance
Vneg, Vzero, Aneg, Azero, Vfund, Afund, Hz, V phase angle, A
phase angle
Transient
Vrms, Vcursor
Inrush current
Inrush current, Inrush duration, Arms1/2, Vrms1/2
System monitoring
Vrms, Arms, Harmonic voltage, Total harmonic distortion voltage, Plt,
Vrms1/2, Arms1/2, Vneg, Hz, Swells, Dips, Interruption, Rapid
Voltage Change. All parameters are measured simultaneously
according to EN50160 standard.
Specify unreliable readings according to IEC61000-4-30 standard.
Logger
User-defined to select more parameter and record of setting time
interval
8.7 Measurement Range, Resolution, Accuracy
Voltage / Current /
Frequency
Measurement
range
Resolution
Accuracy
Vrms (AC+DC)
1~1000 Vrms
0.1 Vrms
±0.5% of nominal voltage
Vpk
1~1400 Vpk
0.1 Vpk
±0.5% of nominal voltage
V(CF)
1.0~>2.8
0.01
±5%
Arms (AC)
10mV/A
1mV/A
50mV (65mV)/1000A
0 ~ 100 A
1 ~ 1000 A
15 ~ 5000 A
0.1 A
0.1 A
1 A
± 0.5% ± 0.2 A
± 0.5% ± 0.2 A
± 1.0% ± 2 A
A (CF)
1~10
0.01
±5%
Frequency 50Hz nominal
Frequency 60Hz nominal
Frequency 400Hz nominal
42.5~57.5 Hz
51~69 Hz
340 ~ 460 Hz
0.01 Hz
0.01 Hz
0.01 Hz
±0.01 Hz
±0.01 Hz
±0.01 Hz
Dips&Swells
Measurement
range
Resolution
Accuracy
Vrms1/2
0~200% nominal
voltage
0.1Vrms
±1%
Arms1/2
1~3000A
1A
±1%±2A
Threshold value
Threshold is settable according to nominal voltage percentage
Detectable events type: Dips, Swells, Interruption, Voltage Rapid
Change.
Duration
hour-minute-second-
microsecond
0.5 cycle
1 period
Flicker
Measurement
range
Resolution
Accuracy
Flicker severity (Pst, Plt)
and the instantaneous
flicker sens. level
0.00~20.00
0.01
Within ±5% of table value
according to IEC61000-4-15
-72-