NASA NTRS · 19850000106
Spill-Detector-and-Shutoff Device
Abstract
Overflow in liquid chromatography systems rapidly detected and stopped. Spill-detector-and-shutoff device incorporated into liquid-chromatography system. When liquid from output nozzle spills on liquid sensor, device automatically shuts off pump and releases solenoid to pinch off flow in tube. Device uses common type of alarm circuit reset manually before normal operation resumes.
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Jarvis, M. R., Fulton, D. S.. 1985-06-01. Spill-Detector-and-Shutoff Device. https://ntrs.nasa.gov/citations/19850000106
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