AEMC OX7204III Hand-Held 4 Channel Color Oscilloscope - 200MHzHand Held Oscilloscope Model OX7204III 200MHz The OX7204III 200MHz is at the top of its category with a 12 bit 1GS s converter, a sampling rate of 50GS s on periodic signals and capture of transients lasting 2 ns or more. The OX7204III 200MHz can be controlled using either the Windows like menus on the touch screen or 33 dedicated keys offering direct access to the most frequently used functions. For even better performance in the field, it offers a