You searched for "test function"
RS PRO
RS PRO RS-6204BC Digital PC Based PC Oscilloscope, 4 Analogue Channels, 200MHz
Part: 220-5866
Portable USB oscilloscope with 4 channels and 200MHz bandwidth for electronics troubleshooting and signal measurement.
RS PRO
RS PRO RS-6074BC Digital PC Based PC Oscilloscope, 4 Analogue Channels, 70MHz
Part: 220-5864
Portable USB-powered oscilloscope connecting to PC for field electronics testing.
RS PRO
RS PRO RS-6104BC Digital PC Based PC Oscilloscope, 4 Analogue Channels, 100MHz
Part: 220-5865
USB-powered four-channel oscilloscope connects to computer for signal measurement.