... control,Distribution transformer monitoring Features:Transducer-less voltage, current, power, energy and harmonic managementOver current detectionVast communication protocol library32 ... to the 31st harmonicResolution: 16 bit (15 bits plus sign)Accuracy: ± 0.5% (25°C)Specification:AC Sampling:AC Current ... : 95%, non-condensingIEC 61000-4-4, Fast Transient Burst, Class 4: 4kV – 2.5kHz (CM)IEC 61000-4-5, ...