Ideal Vacuum EDWARDS ELD500 Helium Leak Detector w internal Diaphragm DRY Pump 100 120 VAC 60 Hz PN D13520906 This may look like a regular smoke detector, but it's actually a vape sensor. Columbus County Schools now has these sensors in high school bathrooms, an effort to keep kids from vaping. Vape Detector Smart Vapor Sensors Data Sheet E85001 0647 Intelligent Heat Detectors Fire Notification and Accessories Edwards Signaling