Foam and Level Measurement and Control Home Foam Control Level Control Instrumentation Applications Distributors Downloads Contact Us A SureSense sensor attached to a Foam Controller is placed into foam. As the level increases the pump in the Foam Controller injects small amounts of anti-foam to control the foam level. Website © Charis Technology 2009/10. No part of this website may be copied without permission from the copyright holder. See Contact Us page for details