Bio-rad biorad powerpac power pac display supply 3000v 3000 volts max gel e/ph

A used Bio-rad power supply Powerpac 3000 for high voltage (3000v max) electrophoresis. Some lines display doesn't illuminate properly. that makes challenging the voltage set up and the reading- for professionals who already have this units in the lab. Please look at the other items featured in the store. I will combine shipping on the total order.