18-12-2015 дата публикации
Номер: KR1020150141364A
Принадлежит:
A water softener according to the present invention comprises: a water softener case comprising an inlet formed thereon, into which hard water flows, an outlet formed thereon, from which soft water is discharged, and an accommodation unit disposed between the inlet and the outlet; a filter assembly seated in the accommodation unit of the water softener case, and filled with a cation exchange resin to convert the hard water into the soft water; and a measurement unit mounted on an outlet side of the water softener case to measure a hardness value of the soft water discharged from the outlet. According to an embodiment of the present invention, the hardness value of the soft water discharged from the outlet of the water softener case is measured to notify a user of replacing and recycling time of the cation exchange resin when the hardness value of the soft water reaches a predetermined hardness value to easily manage the water softener and improve hygiene and safety. Also, a vacuum unit ...
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