There are currently two main types of X-ray fluorescence analyzers, one is the energy dispersion type and the other is the wavelength dispersion type. First: Energy dispersive X-rays are produced by low-power X-ray tubes or radioactive sources. Now there is generally no problem. Especially when X-rays are produced by X-ray tubes, there will be no problem. However, when using radioactive sources, Pay attention to the second protection: Wavelength dispersive X-ray fluorescence spectrometer, especially the current instrument with several kilowatts, pay attention during installation and maintenance. There will be no problems in daily use! ! The harm is not great. If done correctly, the hazards are almost negligible. First of all, the equipment itself should have a radiation shielding device. For example, protective lead plates and lead glass. Secondly, the pipe head should have a light gate or protective cover, and the main irradiation surface should be airtight. As for the leakage part, the measurement area is smaller than the surface to be irradiated, and the wavelength becomes longer. The harm to the human body can be considered to be smaller. If you are still worried, there should be protective equipment such as lead screens next to the relevant equipment in the unit. Hiding behind it will be more foolproof. X-rays don't bend. If you are still worried, just turn on the phone and run. When you reach 20 meters, you will be safe~~~ then you will be safe. It stands to reason that radiographic testing is considered a special type of work in a high-risk industry and should require annual physical examinations. However, the annual effective dose equivalent of those who do fluorescence work is often impossible to exceed the 5mSv line, which is not high-risk at all... What's more, the atmosphere itself contains x-ray radiation... Having said that, marriage After I started planning to get pregnant, I still stayed away from that thing a little bit. It is said that the first three months of pregnancy seem to be more dangerous. As long as you do not turn on the X-ray to adjust the crystal, open the instrument panel, and artificially meet the safety interlock device conditions to turn on the X-ray, you will usually not be harmed. If you are still worried, you can remove the scintillation counter from the fixed position of the instrument, turn on the X-ray to full load, and move the hand-held scintillation counter along the gap in the instrument panel (about one inch from the panel). If the count is not greater than 10/S, then It's safe