看到其他坛子贴这个东东，看来以后买车是不是也的测试一下

http://www.amazon.com/RADEX-RD1503-Geiger-Counter-Model/dp/B005ZQ47AS/ref=sr_1_1?s=industrial&ie=UTF8&qid=1454713838&sr=1-1&keywords=RD1503+Geiger+Counter