Pico ta041 25mhz 700v differential oscilloscope probe x10 x100 pico ta041 p the pico 25mhz 700v differential oscilloscope probe x10 x100 is an active differential oscilloscope probe the probe permits the measurement of signals which are not referenced to earth using a conventional earthed oscilloscope this enables mains voltages to be tested it is possible to measure and observe the waveforms of three phase supplies or the gate control signals of semiconductor circuits p p the pico 2