Ultrasonic liquid level switches arefor use in industrial process, nuclearand marine cargo applications todetect high or low liquid levels.Operation is achieved using the timeproven principle of ultrasonictransmission between two crystals.Liquid presence is detected by virtueof its bulk, with liquid droplets,condensation or foaming beingignored.Mobrey Hi-sens sensors are designedfor fail-safe high level duty. Mobreygap sensors are designed for fail-safelow level duty.Control electronics are available standard or self-checking, with options including lamps to indicate sensor status, time delays and circuits to detect wiring faults.Mobrey has been manufacturing andselling high quality ultrasonic levelequipment for many years, and havebuilt up considerable expertise inthe supply of non-catalogueequipment,custom designing systemif the standard product will not meetthe exact application requirements