"This category of high voltage power supplies is recommended for research and laboratory activities. They are DC powered. They operate either in local or remote mode. A control by serial port, USB or off site host bus adapter allows the use of various protocols. Each model is an instrumented unit offered in a built-in table panel. Standard features include a clear output voltage display, a power grid input, positive or negative polarity, extremely reduced low line and load regulation, low ripple, good stability, and overload protection. These products are partially encapsulated in a specific resin.".