Vape Detector vs. Smoke Detector: Comparison & How They Work Vape Detectors in Schools Necessity or Misplaced Priority? Does Vape Smoke Set Off Fire Alarms Vape Detector vs. Smoke Detector: Comparison & How They Work 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