... Model (output voltage, output current, ripple)a) HY12005E (0~120V, 0~5A, CV≤5mVrms)b) HY10005E (0~100V, 0~ ... 0~2A, CV≤5mVrms)e) HY10001E (0~100V, 0~1A, CV≤5mVrms) f) HY30005E (0~300V, 0~5A, ... 0~2A, CV≤5mVrms)h) HY30001E (0~300V, 0~1A, CV≤5mVrms) i) HY10005E (0~100V, 0~5A, ... Display: 2 LED display3) Input voltage: 104~127V AC (60Hz), 207~253V AC (50Hz)4) Protection: reverse polarity protection, current ...