The Ultimate Guide to Smoke Tunnels: Precision Testing for Smoke Alarms and Detectors A Smoke Tunnel (often referred to as a smoke box, wind tunnel, or aerosol test chamber) is a specialized piece of test equipment used to evaluate the performance and sensitivity of smoke alarms and smoke detectors. Unlike simple benchtop tests, a smoke tunnel provides

The two most common smoke detection techniques are ionizing smoke detection and photoelectric smoke detection. Ionic smoke alarm ： Smoke alarms are generally more responsive to burning fires. How it works: An ionizing smoke alarm puts a small amount of radioactive material between two charged metal plates, ionizing the air and allowing electricity to flow