DPO2004B Digital Phosphor Oscilloscope with 4 channels DPO2002B Digital Phosphor Oscilloscope with 2 analog channels DPO2012B Digital Phosphor Oscilloscope with 2 analog channels DPO2014B Digital Phosphor Oscilloscope DPO2022B Digital Phosphor Oscilloscope with 2.1 ns rise time DPO2024B Digital Phosphor Oscilloscope with 4 analog channels