| Name | Measurement type |
|---|
| Voltage | rms, ava, pk+, pk-, rms-1/2, CF |
| Frequency | Freq |
| Current | rms, ava, pk+, pk-, rms-1/2, CF |
| Power & energy | P, S, Q, PF, DPF, W |
| Computation | THD, DC, 1-63 Harm, 1-62 InHarm, 1-35 HiHarm, 1-62 SubHarm |
| Voltage harmonic | THD, DC, 1-63 Harm, 0-62 InHarm, 1-35 HiHarm, 1-62 SubHarm , KF |
| Current harmonic | THD, DC, 1-62 Harm |
| Harmonic power | Ia, Ib, Ic, ΣPtotal, ΣQtotal, ΣStotal, 15 minutes |
| Fluctuation and flickering | PST, PLT, Fluct, Fluct Max |
| Unbal | V Pos, A pos , V neg , A neg , V zero, A zero, Unbal |
| Event log | Voltage swell, voltage sags, DIP, surge current, voltage and
current
distortion out of limit, odd harmonics containing rate out of
limited, unbalanced voltage current out of limit, frequency out of
limit, PST out of limit, PLT out of limit, long-term voltage
interruption, voltage fluctuation deviation, voltage harmonics out
of
limit, 2-25st harmonicsout of limit |
| P, Q, S name | Measurement type |
|---|
| Measurement types | P: Calculate by every 10 cycles
S: Calculated by the effective value of voltage and current
Q: Calculated by the apparent power, active power |
| Display | Table charts, trend chart |
| Measuring range | According to the range of the voltage and current |
| Resolution | 0.001W |
| Accuracy | ±0.5% |
| Urms | Measurement type |
|---|
| Mode | 'Calculated by the square root value of 10/12 cycle |
| Measuring circuit | 1P2W/ 2P3W /3P3W/ 3P4W |
| Basic frequency of the measuring circuit | 50Hz, 60Hz |
| Input channels | 4 phase voltage, 4 phase current |
| Display mode | Effective current value of each channel |
| Range | 120V, 230V, 400V, 1000V, Max 1000V instantaneous voltage |
| Resolution | 0.001V |
| Accuracy | 0.1% RG |
| Arms | Measurement type |
|---|
| Mode | 'Calculated by the square root value of 10/12 cycle |
| Display mode | Effective current value of each channel |
| Range | Current: according to the current clamps
Option Current clamps:5A/50A/100A/500A/1000A
Flexible Current probe: 1000A/3000A/6000A |
| Resolution | 0.001A |
| Accuracy | 0.1% + accuracy of the current clamps |
| Frequency | Measurement type |
|---|
| Measurement mode | Calculate by 10 cycles (50Hz) or (60Hz) |
| Display mode | Measurement by 10 cycles |
| Nominal frequency/resolution | 50.000Hz/0.001Hz or 60.000Hz/0.001Hz |
| Bandwidth measurement | 42.5-57.5Hz or 52.5-67.5Hz |
| Accuracy | ±0.001Hz |
| Half-wave RMS current/voltage | Measurement type |
|---|
| Measurement mode | Calculate by every 2 cycles. Each cycle ,1/2 cycle made up of a
waveform calculation |
| Measuring range/resolution | Voltage: 120V/0.01V, 230V/0.01V, 400V/0.01V, 1000V/0.01V,
Current: According to the current clamps |
| measurement accuracy | ±0.1% |
| Power factor | Measurement type |
|---|
| Measurement mode | The ratio of average power to apparent power |
| Display mode | Real-time data showed |
| Measurement range/resolution | -1.000-1.000/0.001 |
| Accuracy | ±0.1% |
| Vfund, Afund, Harmonic power | Measurement type |
|---|
| Measurement mode | Meet IEC61000-4-7,Analysis time window is ten cycles |
| Window points | 5120 points |
| Display mode | Form figure, trend charts, histograms |
| Number of measurement | 1-50 Times |
| Measurement accuracy | Vfund >1%: Error<1%
Vfund <1%: Error<0.05% Rated Voltage
Afund >3%: Error<1%
Afund <3%: Error<0.05% Current range |
| InHarm Voltage, InHarm current | Measurement type |
|---|
| Measurement mode | Meet IEC61000-4-7, Analysis time window is ten cycles |
| Window points | 5120 points |
| Display mode | Form figure, trend charts, histograms |
| Numbers of measurement | 1-16 groups |
| Measurement accuracy | Vfund >1%: Error<1%
Vfund <1%: Error<0.05% Rated Voltage
Afund >3%: Error<1%
Afund <3%: Error<0.05% Current range |
| HiHarm Voltage, HiHarm current | Measurement type |
|---|
| Measurement mode | Meet IEC61000-4-7, Analysis time window is ten cycles |
| Window points | 5120 points every 10 cycles |
| Display mode | Form figure, trend charts, histograms |
| Numbers of measurement | 1-35 groups/2100Hz-8900Hz |
| Measurement accuracy | Vfund >1%: Error<1%
Vfund <1%: Error<0.05% Rated Voltage
Afund >3%: Error<1%
Afund <3%: Error<0.05% Current range |
