QCM-D vs other QCMs - what are the differences and which one will best suit your needs?

There is a vast range of QCM versions in the market; QCM, QCM-D, QCM-I and QCM-R being but a few examples. So which one will best suit your needs?

Here, we present an overview of the measurement principles that these QCMs are based on, and what the different methods signify in terms of pros, cons and application suitability.