| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent the occurrence of the erroneous report of the quality abnormality of water caused by the feed stop of water, or the like. <P>SOLUTION: The drain amount of water of a quality inspection part 4 of water is monitored in a drain water amount measuring part 5a, while inspecting the quality of river water in the quality inspection part 4 of water. When the drain amount of water per a unit time becomes a reference drain amount of water or below, the feed stop of water is determined as occurring to transmit an abnormality detection signal. <P>COPYRIGHT: (C)2009,JPO&INPIT |
