Ultrasonic level switch ASL SERIES

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ASL instrument is designed for marine and on-land applications for liquid détection, pump control, water ingress alarm Systems, overfilling protection on liquids with or without foam. ASL Works on Valcom® proprietary principle of distributed acoustic waves in a métal rod. If the rod is not covered by the liquid the acoustic waves are dispersed freely without any interférence. If liquid covers the rod the émission of acoustic waves is muffled and this interférence is picked up by the piezoelectric sensor and converted into an on-off signal. These instruments hâve no moving parts, no vibration, no optical or capacitive detectors. They are pure static instruments offering the maximum reliability.