... .Credibility and permanence 3.Manufacture Min order: 5 pieces >>Overview JC Series Electroinc Counter is a high accurate counter, which adopts ... keeping data is selected when power cut data retention time>10 years Counting frequencyhigh speed is 5000 times/s, low speed ... selectable (for JC80-Z, this function is without)Power supply220VAC (+10%,-15%) 50HZ+2%;(special order is required for 24VDC or ...