In this test apparatus the test medium (without or with defoamer) is presented in a slightly varying test vessel and under preselectable and steady mixing achievement and preselected duration with beaters.

Electronic processing:

Afterwards the foam decay is registered and determined the foam height and time an integral value which can be pulled up as a measure of the foam stability.
This procedure permits a quick examination of the foam stability of products or the efficieny of defoamers.


The device offers above all if a lot of tests are to be measured.


© Ing. Franz Raab - Datentechnik 2021