Level-Indicator and Signal Transmitter AE-115-VIEquipment required by water law for showing the tank capacity in % of the fi lling-level height and as signal transmitter for up to 4 normally open contacts, e.g. for pump control. Employable for tanks up to 2.500 mm high by cutting the pipe with sensor into size. This device is not approved safety equipment against overfilling. Required working voltage 24V.