The scanners, which have been an a ten-month at Hamburg airport, triggered an unnecessary alarm in seven out of ten cases, the German weekly newspaper Weltam Sonntag reported on Saturday.
They were said to have been confused by layers of clothing, boots, zip fasteners and even pleats. In 10 percent of cases the passenger’s posture set them off. According to a police report, the scanners set off alarms more than once in 35 percent of 730,000 cases where they should not have.
The scanners have been rejected by federal police until the software is improved and more effective models are made available. Several EU countries, including Britain, France, the Netherlands, Italy and Finland, as well as Germany, have conducted body scanner tests after the machines were approved for use by the European parliament on July 6 on the condition that passengers could refuse to walk through them and go through traditional security checks instead.
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