Vape Detector Datalogger (Weed and Cigarette Smoke) 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 Does Vape Smoke Set Off Fire Alarms Can Smoke Detectors Detect Vaping? Learn the Facts Vape Detector vs Smoke Detector: What's the Difference? Vape Detectors in Schools: How Do They Work?