The Rigol DS1104Z-S is a high quality 4-channel 100MHz digital storage scope that features a built-in sophisticated 25MHz AWG signal generator, making a versatile all-in-one compact test tool. With a real-time sample rate of up to 1GSa/s and a bandwidth of 100MHz, it is extremely well-designed and is also easy to use, with ready-made functions for measuring a host of tasks. The DS1104Z-S’s large 7” TFT color display is very easy to read and has a refresh rate of up to 30,000 wfms/s. Menu navigation is intuitive and the large 12 Mpt memory insures capturing real-time instantaneous signals as well as repeated signals. You can add optional analysis, decoding, or an extra 12Mpts memory for a powerful 4-channel scope at an exceptional price.