240-8193, Tektronix, Tektronix MSO22 MSO2 Series, 70MHz Bench, Portable, Ultra Compact Oscilloscope, 2 Analogue Channels, 16 Digital Channels Tektronix MSO22 MSO2 Series, 70MHz Bench, Portable, Ultra Compact Oscilloscope, 2 Analogue Channels, 16 Digital Channels