Fremgangsmåde og indretning til overvågning af overskylningen af vægflader med væskestråler ved rengøringsprocesser

摘要

Method for monitoring flooding of wall surfaces by liquid jets during cleaning processes comprises subjecting the cleaning fluid hitting a selected partially surface with a high frequency electrical alternating field so that the molecules of the cleaning fluid experience a polarization, determining the temporary change of electrical alternating field and generating a signal, using the temporary change to monitor the flooding on the partial surface and generating a switching point for a digital starting signal for controlling the monitoring of the flooding. An independent claim is also included for an arrangement for monitoring the flooding of the inner surfaces of containers or tanks. Preferred Features: The high frequency alternating field is operated at 80-200 MHz, preferably at 90-140 MHz.