For a long time, people are always paying attention to monitoring of equipment status in iron and steel industry, automobile manufacturing , shipping , firepower in order to know about the equipment operation status and oil quality. And they did a lot of research, such as vibration, yawp, temperature, oil, sound emission and lossless detection technology, and so on. Among of these, oil monitoring analysis technology is an important one, which is fit for analysis of equipment status in liquid or semi-liquid ...