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THE TECHNICAL CONCEPT FOR EVIDENTIAL BREATH TESTING IN GERMANY.
| 题名： | THE TECHNICAL CONCEPT FOR EVIDENTIAL BREATH TESTING IN GERMANY. |
| 作者： | SCHOKNECHT-G (FREIE UNIVERSTAET. INSTITUTE FOR BIOPHYSICS); STOCK-B (GAS DETECTION INSTRUMENTS AND SENSORS, DRAEGERWERK AG) |
| 关键词： | BREATH-TEST; 1542-; DRUNKENNESS-; 1783-; DRIVER-; 1772-; ENFORCEMENT-LAW; 1534-; APPARATUS-MEASURING; 6155-; GERMANY,-FEDERAL-REPUBLIC-OF; 8125-; CONFERENCE-; 8525- |
| 摘要： | The technical requirements for future evidential breath testing in Germany have been published recently in a draft of the German standard DIN/VDE 0405. In addition to the OIML specifications several requirements had to be added to achieve legal and technical acceptance. The most important are: two consecutive breath tests for mouth alcohol detection; measurement of the endexpiratorial breath temperature to compensate for changes in breath alcohol concentration due to the subject's body temperature and breathing technique; a sex and age dependent minimum blowing volume; and verification of the calibration by including two independent measuring systems with mutual control. Up to now no available instruments fulfil these requirements. We present a detailed description of a breathtesting instrument comprising two independent analytical systems (infrared and electrochemical) and means for breath temperature measurement. Furthermore, results from field and laboratory tests are given. Our data show a very good correlation between blood and breath alcohol concentration and show that breath temperature measurement considerably improves the performance of an evidential breath tester. (a) For the record of the covering entry of this conference, please see IRRD abstract no 868581. |
| 总页数： | ALCOHOL, DRUGS AND TRAFFIC SAFETY - T'95, 13 AUGUST - 18 AUGUST 1995 |
| 报告类型： | 科技报告 |
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