New devices in high school bathrooms can detect smoke, vapor and 'aggressive behavior' mlive.com Vape Detection Sensor WatchNET IoT Vaping and Smoke Alarms: What Actually Triggers the Sensors Vapesdirect Do Vapes Set Off Smoke Alarms? Vape Shop False positives in vape detectors are a common concern, particularly when the devices are placed in environments with factors that can mimic vaping aerosols., , Common causes include:, Aerosols