Description measurable range measurement accuracy voltage / current / frequency three-phase voltage: 10 ~ 700V (RMS) neutral voltage: 1 ~ 70V (RMS) phase current: 0 ~ 1000A (True RMS, optional 1000A current sensors) neutral current: 0 ~ 25A (rms, 25A current sensor optional) Frequency: 40 ~ 70Hz Voltage: ± 0.5% Current: ± 0.5% Frequency: ± 0.01Hz here to the A-phase voltage frequency as a measurement frequency harmonic measurement voltage harmonics: THD, 1 to 50 harmonics. Current harmonics: THD, 1 to 50 harmonics. Voltage harmonics: ± 0.1 (% f) current harmonics: ± 1% Power Measurement active: 0.05 ~ 700KW apparent: 0.05 ~ 700KVA Reactive: 0.05 ~ 700KVAR Power Factor: 0.00 ~ 1.00 active power: 0.01 ~ 10000kWh apparent Power: 0.01 ~ 10000kVAh reactive power: 0.01 ~ 10000kVARh average power factor: 0.00 ~ 1.00 Reactive: ± 2% Power factor: reading ± 0.005 active energy: ± 2% Apparent power: ± 2% reactive energy: ± 2 % Average Power Factor: reading ± 0.005 Unbalanced fundamental voltage: 10 ~ 700V (RMS) fundamental current: 0.5 ~ 1000A (RMS) fundamental frequency: 40 ~ 70Hz Phase angle: 0 ~ 360o not Balance: 0.0% ~ 100% Voltage: 0.5% Current: 0.5% Frequency: reading ± 0.01Hz phase angle: reading ± 0.3 o voltage unbalance: reading ± 0.2 current imbalance: reading ± 0.2 here to phase A voltage frequency as the frequency of monitoring and recording the total measurement parameters can be recorded: three-phase voltage, phase current, neutral current, voltage harmonics (THD, 1 to 25 harmonics), current harmonics (THD, 1 ~ 25 harmonics), phase imbalance, active power, power factor, fluctuation, flicker when recording length = (meter can record the maximum number of data × save interval) / 60 minutes = 18635 × 3 sec / 3600 seconds = 15.5 hours save interval: 3S ~ 30MIN recording time: 15 hours - 388 days collection interval 3 seconds, can be monitored 15.5 hours, 30 minutes set the sampling interval can be monitored 388 days (three seconds to 30 minutes continuously adjustable) surges and sags voltage swells, voltage sag and temporary power outages can record up to 40 events ripple voltage fluctuation amount: 0.1% to 10.0% Measurement error: ± 5% Flicker Flicker short long short Flicker Flicker measurement error: ± 5% long Flicker measurement error: ± 5% digital oscilloscope phase voltage, phase current, zero line voltage and neutral current transient waveform maximum sampling frequency: 200KHz minimum sampling frequency: 100Hz Model SB-DN02 size 290 × 110 × 55mm touchscreen display, 5.7-inch 320 × 240 color graphic LCD Communication Interface USB Weight 1.6KG Memory 128M (bit) Shenzhen weblogs Technology