| 摘要 |
PROBLEM TO BE SOLVED: To provide an exhibition device of a fire alarm capable of comprehensively explaining the performance of the fire alam as safe without requiring ventilation.SOLUTION: An exhibition device of a fire alarm is fixed with a fire alarm for exhibition, and includes: a casing provided with an exhibition space having an opening part which can visually recognize the fire alarm for exhibition from the outside; a front surface plate covering the opening part and controllable to be in a transparent state and a white turbidity state; and an operation part which can receive an input of at least pseudo smoke concentration. When the operation part receives the input of the pseudo-smoke concentration, the front plate is controlled to be in the white turbidity state. When the pseudo-smoke concentration whose input is received by the operation part is equal to or more than a fire detection threshold value, the fire alarm is outputted. |
