Modern digital density measurement devices use the U-tube oscillator and realize a highly precise measurement of frequency. This measurement technique has become considerably more precise than any other methods of density measurement. It provides simplest operation with maximum accuracy and time efficiency. Learn more: How does a digital density meter work? Which substances can be determined by density and how is concentration measured? What are the typical areas of application? Which cleaning methods and agents provide optimum results? Which concepts for automation can be applied and how does normative and traceable work in a QA laboratory can be achieved?