Portable oscilloscopes and accessories verify electrical systems or inverter-type motor drive systems are operating as intended. They display waveforms to monitor the behavior of electrical signals. Portable digital oscilloscopes and motor drive analyzers show waveforms, pinpointing irregularities for troubleshooting or repair. Oscilloscope probes and probe kits enhance or enable functionality of compatible oscilloscopes. Oscilloscope probe accessories augment capabilities of an oscilloscope probe or keep oscilloscopes in good working order. Oscilloscope accessories secure, connect, or protect portable oscilloscopes.