Automatic densitometer is based on the principle of-tube oscillation method, which perfectlycombines Peltier’s precisetemperature control technology with high-definition video camera technology to not only provideaccurate, stable andreliable test results,but also provide users with eflicient and convenient test experience. High-definition video can seewhether there is bubble influence in the sample, using pulse excitation, high-precision detection technology, convenientfor users to accurately and quickly measure the sample density and density related parameters.