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The response characteristics of fire detectors and indoor air quality measurement factors were studied according to the UL 268 cooking nuisance test. The response characteristics of the fire detector were confirmed through the U.S. UL 268 cooking nuisance test, newly introduced in 2020; the smoke concentration in the test was found to be a maximum of 7.8 %/m. The response characteristics of the indoor air quality measurement factors matched to the smoke detector's concentration in the nonoperation test (5 %/m), type 1 smoke detector's concentration in the operation test (7.5 %/m), and maximum smoke concentration (7.8 %/m) measured in the test were analyzed to derive factors applicable to avoiding unwanted fire alarms. In this test, the variation was confirmed at PM 1.0, PM 2.5, and PM 10 of the fine dust sensor, for NO and SO2 for the combustion gas analyzer, and for CO, CO2, and HCHO for the gas analyzer. In particular, the most-adaptable factors measured in this experiment were PM 2.5 and PM 10, which can be utilized as unwanted-alarm factors.

A Study on the Response Characteristics of Fire Detector and Indoor Air Quality Measurement Factor According to UL 268 Cooking Nuisance Test