... realtime sample rate on each and dual channels storage ;large screen color STN LCD display, applied to basic education needs ... channels + external triggerDisplay:7.8 inch color LCD,STN screen,640x480 pixelsIsolation between channel:50Hz(100:1),10MHz(25: ... accuracy:±5%Trigger type:Edge, VideoTrigger level: ±6 divisions from screen centerTrigger mode:Auto, Normal, Single;Automatic measurement:Vpp, Vavg, ...