News Can a Vape Set off a Fire Alarm Can Metal Detectors Detect Vapes? LOOKAH New devices in high school bathrooms can detect smoke, vapor and 'aggressive behavior' mlive.com How Vape Detectors and Sensors Work: An Informative Guide Does Vape Activate Smoke Detector What Do Vape Detectors Look Like? A Complete Overview 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