Handheld spectrometer is a spectral analysis instrument based on XRF (X-ray Fluorescence) spectral analysis technology, mainly composed of X-ray tube, detector, CPU, and memory. Due to its portability, high efficiency, portability, and accuracy, it has important applications in the fields of alloys, minerals, environment, consumer goods, etc.

Principle 
A handheld spectrometer is a spectral analysis instrument based on XRF spectroscopy technology. When high-energy X-rays with energy higher than the binding energy of the inner layer electrons of an atom collide with the atom, they expel an inner layer electron and create a hole, causing the entire atomic system to be in an unstable state. When the outer layer electrons transition to the hole, a photoelectron is generated, and the ejected photon may be absorbed again and expel another secondary photoelectron from the outer layer, resulting in the Auger effect, also known as the secondary photoelectric effect or non radiative effect. The secondary photoelectrons expelled are called Auger electrons. When the energy released by the outer electrons jumping into the inner holes is not absorbed by the atoms, but is emitted in the form of photons, X-ray fluorescence is produced, and its energy is equal to the energy difference between the two energy levels. Therefore, the energy or wavelength of X-ray fluorescence is characteristic and has a one-to-one correspondence with the elements. According to Moseley's law, as long as the wavelength of fluorescent X-rays is measured, the type of element can be determined, which is the basis of qualitative analysis of fluorescent X-rays. In addition, the intensity of fluorescent X-rays is related to the content of corresponding elements, which can be used for quantitative analysis of elements. The X-ray detector converts the optical signal of the characteristic spectral lines of the X-ray of the sample element into an easily measurable electrical signal to obtain the characteristic information of the element to be measured.

characteristic
——On site inspection, fast and non-destructive, no need to send to the laboratory, greatly improving efficiency
——The analysis speed is much faster than desktop spectrometers, and the analysis results can be displayed in just a few seconds
——Small size, light weight, easy to carry

application
The application of handheld spectrometers is very extensive, involving many fields such as electricity, petrochemicals, archaeology, metal processing, pressure vessels, waste material recycling, aerospace, geological exploration, mining surveying, mining, ore sorting, mineral trade, metal smelting, environmental monitoring, soil monitoring, toys, clothing, shoes and hats, electronic products, etc.

Analyzable elements
Handheld spectrometers can be roughly divided into alloy analyzers, ore analyzers, soil/environment analyzers, RoHS analyzers, etc. according to their applications. The general range of elements that can be analyzed by an analyzer is: Na~U。