Easy to carry, lightweight instrument will be the future of the mainstream market. There is a considerable volume of instrumentation equipment too large, can only be detected moving to a fixed location of the instrument, so that caused a lot of inconvenience. Pay attention to ease of modern society, as far as possible to reduce the volume and weight of the instrument, making it easy to carry, but must also have the corresponding function. At present instrumentation industry in miniature instruments than in the field of advanced, miniature instruments and most of the imported products on the market. Therefore, our instrumentation industry to catch up, reach the world advanced level in this field.