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Vibrating level switch / for liquids - VTK-R
In the Sitron's V-Tork Series due to a piezo-electric crystal the switch vibrates at a fixed pre-defined resonant frequency. The frequency of the switch vibrations changes when the tuning fork is submerged in the medium. This change can be seen by the unit's electronics and it gets converted into a switch output - either relay or PNP/NPN. When the V-Tork and product are in contact, the red LED in the housing blinks and this light continuously stays on even when contact with the product stops. In this way a positive indication is available at all times showing that the V-Tork is working. The model is made of 316 stainless steel with Halar or epoxy coating and hygienic fittings useful for sanitory fittings.