A method, a device and a computer-readable memory having a computer program stored thereon are provided for determining at least one property of a test emulsion andor test suspension andor of a test foam as a test substance, wherein the property influences the dielectric constant of the test substance and is different than it. The apparatus includes a main support member coupled to the second end of the bracket, the main support member being height adjustable. The method may further comprise accumulating data on the one or more textual phrases.