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Ultrasonic level switches
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Ultrasonic level switch / for liquids - -40 ... +110 °C | SpotCheck 1000, 2000 series
SpotCheck is a liquid level switch for use in applications where...
Ultrasonic level switch / for liquids - -40 ... +110 °C | SpotCheck 1000, 2000 series
SpotCheck is a liquid level switch for use in applications where avoiding contact is vital. The sensor is clamped externally to the wall of the pipe or vessel. The method of measurement is suitable for steel, plastic or glass up to 50mm thick.
Ultrasonic level switch / for liquids - ASL400 series
ASL400 is designed for marine and industrial applications for liquid detection, pump control, water ingress alarm systems, for high and low alarm level, overfilling protection on liquids...
Ultrasonic level switch / for liquids - ASL400 series
ASL400 is designed for marine and industrial applications for liquid detection, pump control, water ingress alarm systems, for high and low alarm level, overfilling protection on liquids with or without foam. ASL400 works on the principle of distributed acoustic waves in a metal rod. If the rod is not covered by the liquid the sound waves are dispersed freely without any interference. If liquid covers the rod the emission of sound waves is muffled and this interference is picked up by the piezoelectric sensor and converted into a current signal in the current loop (on-off). These instruments have no moving parts, no vibration, no optical or capacitive detectors. They are pure static sensors offering the maximum reliability.