... to (500VA - 100KVA) optional2) Programmable output voltage: low position from 0 to 150V, top position from 151V to ... / PWM circuit5) High load and frequency stability6) ±1 waveform low distortion 7) V, A, W, Hz display accurately, digital, simultaneously8 ... ,60Hz120V settingLoad stability±1%Frequency stability≤0.1%Waveform distortion±1.5%(impedance load)Response time2msRead outputVoltage , Current, ...