+ ODP3031 : one controllable channel
+ Max output resolution : 1mV / 1mA
+ Low ripples / low noise : <300 μVrms / 2 mVpp
+ Up to 100 group timers
+ Up to 10 group preset system configurations
+ Over-voltage / Over-current protection
+ Auto-cooling system
+ 3.9 inch high resolution (480 × 320 pixels) LCD
+ Multiple communication interface : USB, and RS232
+ SCPI, and