Huatest is a China manufacturer of digital storage oscilloscopes. Huatest use the already obtained national Invention patent technology to produce Huatest digital storage oscilloscopes. Huatest digital storage oscilloscopes are with the trigger signal waveform to obtain accurate, reliable, stable performance, high sample rate etc, the bandwidth from 25MHz to 300MHz, the sampling rate high to 1.0GS / s, they have been widely used in scientific and technological research and development, education and training, manufacturing, industrial control, mechanical and electrical testing and quality control areas.