Oscilloscopes are among the most widely used instruments in the field of Electrical Testing & Measurement (T&M). They allow users to visualize how an electrical signal changes over time, providing a clear graphical representation of waveforms. From electronics laboratories and R&D departments to product development, manufacturing quality assurance, and after-sales service, oscilloscopes are essential for observing and analyzing electrical signals.

With rapid technological advancements, the oscilloscope market has evolved from traditional analog oscilloscopes, which display waveforms on a CRT, to Digital Storage Oscilloscopes (DSO). DSOs not only convert analog signals to digital form but also store testing data, enable remote control, and transmit data through multiple interfaces. Despite the advantages of DSOs, analog oscilloscopes remain valuable for providing real-time signal display and immediate waveform observation.

As digital signals—typically represented by two discrete voltage levels—become increasingly common, logic analyzers have emerged as a better solution for measuring such signals. Logic analyzers also offer multi-channel input capabilities, which are generally limited to 2–4 channels on most oscilloscopes.

To meet a wide range of waveform observation needs, El Eslèk offers a complete series of oscilloscope solutions, divided into two main categories: Digital Storage Oscilloscopes and Handheld (Portable) Oscilloscopes.