NEO Messtechnik PQA8000H–EVSE Plug & Play Measurement for EV Charging Station Analysis

Voltage & Current Sampling Rate: Up to 20,000 samples/cycle (1 MHz) for both voltage and current, user selectable

Voltage & Current Accuracy: <0.05% for both voltage and current over full range; <0.02% (typical)

Sampling Rate of Local Frequency Measurements: 10 ms (half-period/half-cycle values)

Sampling Rate of Generation Amount & Load Amount Measurements: 10 ms (half-period/half-cycle values)

Power Flow Measurement Range: Guaranteed intrinsic uncertainty ≤2% and resolution ≤0.2% across full range

Local Frequency Measurement Range: Absolute frequency accuracy ±0.000550 Hz (±550 µHz); frequency uncertainty ±0.000027 Hz (±27 µHz, k=2, 95% confidence); frequency resolution 0.000003 Hz (3 µHz)

Recording Period for Power & System Frequency Measurements: 60 s before FDT and ≥7200 s after FDT, user selectable

Continuous Recording: Continuous half-period (10 ms) or cycle (20 ms) recording possible

Measurement Trigger: Trigger on any parameter, user selectable

Cycle-by-Cycle (CBC) Frequency: High precision CBC frequency (20 ms values) and half-period values (10 ms), user selectable

Rate-of-Change-of-Frequency (ROCOF, df/dt): High precision ROCOF

Reporting Functions: Supported

Standard: IEC/IEEE 60255-118-2018 Synchrophasor Standards for Phasor Measurement Unit (PMU)

Total Vector Error (TVE): <0.01%

Angle Error: 0.003°

Time Synchronization Accuracy: 100 ns (typical) via GPS

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