| 摘要 |
PROBLEM TO BE SOLVED: To carry out a continuous humidity measurement by a simple constitution without permitting a leakage current to flow between electrodes even if the humidity is high. SOLUTION: In this hygrometer, a left side flat plate 1 of right and left conduction flat plates 1, 2 vertically provided in parallel while keeping a predetermined space is earthed through an ampere meter 3; and two sheets of right and left conductive center flat plates 4, 5 are interposed in parallel to the right and left conductive flat plates 1, 2 between the right and left conductive flat plates 1, 2 in a state of connecting to a battery 6 such that the left side center flat plate 4 becomes an anode. The two sheets of right and left conductive center flat plates 4, 5 are provided with an ionization chamber levitated in an air by a magnetic levitation with the battery 6; a radiation source 7 disposed at a lower required position between a left side flat plate 1 and a left side center flat plate 4 of the ionization chamber; and a draft mechanism such that a wind is ventilated to a space between the left side flat plate 1 and the left side center flat plate 4 of the ionization box.
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