Ea elektro automatik heavy duty microprocessor laboratory dc psu ea ps 9000 3u ea elektro automatik 06230264 the ea elektro automatik ea ps 9080 510 3u is a heavy duty microprocessor controlled high efficiency laboratory dc power supply that offers many functions and features and is remarkably easy to usethe clearly arranged control panel features two rotary knobs six pushbuttons and two leds the illuminated blue liquid crystal screen displays values and status and simplifies the use o