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Measurement types: One Phase Plus Neutral, One Phase IT No Neutral, One Phase Split Phase, Three Phase Wye, Three Phase Delta, Three Phase IT, Three Phase High Leg, Three Phase Open Leg, 2 Element Delta, 21/2 Element Wye
Input channels: Voltage: 4 channels, ac/dc; Current: 5 channels
Voltage channels: Input resistance: 2 MΩ; Input capacitance: < 2 0 pF
Current input characteristics: 2 V rms = full scale, 1 MΩ Input Impedance for ferro CTs, low impedance for Flexi-CTs
Measuring method: Simultaneous digital sampling of voltage and current. Digital PLL synchronized sampling, internal frequency reference used during voltage drops.
PLL-synchronization source: The PLL synchronizes to the A-N voltage for wye power types, and to the A-B voltage for delta power types. All listed power types can be characterized as either wye or delta.
PLL lock range: 42.5 to 69 Hz
Sampling frequency: Voltage and current: 2 56 samples/cycle Inter-harmonics per IEC 61000-4-7: 2 560 points/10 cycles (50 Hz), 3072 points/12 cycles (60 Hz) Transient Voltage: 5 MHz
A/D resolution: Voltage and current: 2 4 bits; Transient voltage: 14 bits
Voltage measurement range: AC voltage: 1000 V rms ± 10 % over range; DC voltage: ± 1000 V + 10 % over range
Voltage crest factor: 3 or less
Current measurement range: Depends on current probe used
Current crest factor: 4 or less
- RMS voltage
+ Measurement type: True rms calculated continuously: every cycle, every 1/2 cycle, and every 10 or 12 cycles at 50 or 60 Hz respectively, as required by IEC 61000-4-30.
+ Measurement uncertainty: AC: ± 0.2 % reading ± 0.1 % full scale, above 50 V rms; DC: ± 0.5 % reading ± 0.2 % full scale, above 50 V dc
- RMS current
+ Measurement type: True rms calculated continuously: every cycle, every 1/2 cycle, and every 10 or 12 cycles at 50 or 60 Hz respectively, as required by standards
- Transient voltage (impulse)
Measurement type: Waveshape sampling
Full scale: 8000 V pk
Sample resolution: 200 nS
Measurement uncertainty: ± 5 % reading ± 2 0 V (test parameters: 1000 V dc, 1000 V rms, 100 kHz)
Communications protocol: Bluetooth SPP, TCP/IP over Ethernet
