The Regal VAC 1000 is a 100% electronic, full featured vacuum monitoring system utilizing the latest in integrated sensor technology for improved accuracy, reliability, and versatility. The system allows direct contact with many liquids and gases, including chlorine. The System’s unique packaging arrangement allows all electronics to be incorporated on a single printed circuit board, keeping costs down without sacrificing reliability or accuracy. The enclosure has a NEMA 4x rating, and can be mounted outdoors. Applications include loss of chlorination in water and waste-water treatment, and pool pump monitoring.