| 摘要 |
PROBLEM TO BE SOLVED: To provide an alarm that can more accurately acquire the temperature and humidity of an external environment if a temperature detection part and a humidity detection part are provided.SOLUTION: An alarm 100 comprises: a housing 1; at least one of a gas detection part 2 provided in the housing 1 and a smoke detection part 5 provided in the housing 1; a temperature detection part 3 provided in the housing 1 and detecting temperatures in the housing 1; a humidity detection part 4 provided in the housing 1 and detecting humidity in the housing 1; control means 6 for estimating an external environment temperature Tand a humidity RHof the housing 1, on the basis of a detection temperature Tof the temperature detection part 3 and a detection humidity Tof the humidity detection part 4 and the amount Δ T of temperature increase inside the housing 1 that is caused by a heat source TS in the housing 1; and an output part 8 performing notification on the basis of an estimation result of estimation means.SELECTED DRAWING: Figure 2 |
