| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a humidity controller capable of securely suppressing breeding of bacteria within a storage tank and generation of slime etc. on the inner wall face of the storage tank. Ž<P>SOLUTION: By a water purification unit (50), active specie are supplied to water when the level of the water stored in the storage tank (41) is higher than an outflow end of outflow side piping (63) and supplied to a retention space (S) above the water surface when the water level is lower than the outflow end of the outflow side piping (63). Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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