DC Power Supply II (Constant Voltage)

Stand-alone power supply perfect for Franck-Hertz and e/m experiments. Also has special data ports for connecting an 850 Universal Interface to record and analyze it.The (0 to 12 V) output is independent of the (0 to 100 V) and (0 to 200V) outputs, which share an output and are selected by pushing a button.

https://www.pasco.com/products/lab-apparatus/instrumentation/power-supplies/se-9644#specs-panel