| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an alcohol concentration measuring device which hardly causes errors in alcohol concentration to be measured. Ž<P>SOLUTION: The alcohol concentration measuring device is equipped with an alcohol sensor 21 for detecting the alcohol concentration contained in breath of a subject U blown into a blowing port 11a of a case 10 and a distance sensor 23 for detecting a distance between the blowing port 11a and the subject U. The alcohol concentration measuring device detects the alcohol concentration by the alcohol sensor 21, provided that the distance detected by the distance sensor 23 is within a prescribed distance. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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