Can Vaping Devices Set Off Smoke Alarms? Vape Detectors in Schools: How Do They Work? Vape Detector Datalogger (Weed and Cigarette Smoke) How Do Smoke Detectors Detect Vape Can Hotels Detect Vape Smoke Can Smoke Detectors Detect Vape 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