Cheap EDXRF generally apply cheaper X ray tube, whose lifetime just thousands of hours; high performance EDXRF's lifetime reach up to 10 years.
Cheap EDXRF generally apply cheaper X ray tube, whose lifetime just thousands of hours; high performance EDXRF's lifetime reach up to 10 years.
低端品牌厂商的EDXRF采用廉价的X光管，寿命在几千小时而已；高端的可以使用10年以上（如同家庭使用的荧光灯管或者彩电的显像管寿命）。