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 PICOSCOPE 9321-20 PICOSCOPE 9341-20 PICOSCOPE 9402-05