Vape Detection Sensor WatchNET IoT Marijuana and THC Detector Do Smoke Detectors Detect Vape? A Guide About Smoke Detectors are Set Off by Vapes UPENDS Do Smoke Detectors Detect Vape? A Guide About Smoke Detectors are Set Off by Vapes UPENDS 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 Vape Detectors & Cigarette Smoke Detectors