VS 1000E Vape Detection Sensor for Schools & Businesses Does Vape Activate Smoke Detector Vape Sets Off Fire Alarm: How Do Vape Detectors Work? New devices in high school bathrooms can detect smoke, vapor and 'aggressive behavior' mlive.com Your guests aren't the only ones checking in. So are their vape pens. With over 13 million regular vapers in the U.S. alone, unauthorized vaping is a major operational risk for hotels. Can a Vape Set Off a Fire Alarm? What To Know