PICOSCOPE 6425E-750MHZ-4CH-FLEXRES KIT PICOSCOPE 6426E PICOSCOPE 6426E-1GHZ-4CH-FLEXRES KIT PicoScope 6428E-D PICOSCOPE 6800E 8CH PROBE HOLDER UPGRADE PICOSCOPE 6804E PICOSCOPE 6804E-500MHZ-8CH-8BIT PICOSCOPE 6824E PICOSCOPE 6824E-500MHZ-8CH-FLEX PICOSCOPE 9311-20