The dynamic contact angle measuring instruments and tensiometers of the DCAT series are multi-functional instruments for the force-based measurement of various surface and interfacial properties like surface tensions, critical micelle formation concentration, adhesion or surface pressure. A wide range of test bodies and sample holders as well as specific upgrade modules are available for the different measuring methods. Based on a well-established and accepted measuring technique and utilizing state-of-the-art weighing technology, the highest precision and reproducibility of the measured results is guaranteed.