Control and reduction of electronic information products pollute the environment and create other hazards Shui ROHS detector, application of this approach in the People's Republic of China within the production, sale and import of electronic information products in the process. However, except for export production. RoHS detector is to control the manufacturers to produce products harmful to human health of the heavy metal content. Such as air conditioners, washing machines, vacuum cleaners, water heaters, cell phones, these products are often encountered in people's lives, so if excessive heavy metals affect human health. Manufacturer recommends to strictly control the heavy metal content, to protect the health of consumers. Where, λ is the wavelength spectrum analysis; d is the crystal lattice spacing; θ is the diffraction angle; n is the diffraction order. Use goniometer can measure the diffraction angle spectrum analysis, the use of the formula to calculate the corresponding wavelength element being analyzed to obtain the characteristic information measured elements. Energy dispersive ray fluorescence spectrometer is used Shui energy detector spectrometer used, collected by the detector by measuring the amount of charge Shui 3600ROHS detector, direct access to feature-ray energy emitted measured elements: Q = kE where, K is the corresponding amount of charge Q is generated by the detector;; k for different types of energy response of the detector parameters ray photon energy of the incident. The amount of charge proportional to the energy of the incident radiation, so by measuring the amount of charge available analyte feature information. _ _ Shui Shui Shui spectrometer provided by the Dongguan City Ding Sheng Precision Instrument Company. Dongguan Sheng Ding Precision Instrument Co., Ltd. (www.dgshengding.com) (www.dgshengding.com) strong, credible, in Dongguan, Guangdong specialized instrumentation industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shengding instrument into the brilliant and you work for a better future!