LevelGuard® Liquid Level Pump Switch Sensor CHALLENGE Methode was asked to develop a more reliable way to prevent basement ooding due to the inaccuracies and failures of standard oat switches, commonly used in residential sump pumps. SOLUTION Methode's team designed a sensor switch that uses eld-eect technology to monitor uid levels within residential sump and sewage pits. LevelGuard® is a software free, solid state pump switch that turns your sump or sewage pump on and o. The eld-eect of a touch cell detects any conductive mass (water) entering or changing the eld and activates the pump evacuating the water from the pit. The eld-eect sensor emanates through any dielectric substrate such as glass or plastic. Field-eect touch cells can be easily integrated in any kind of applica

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