750 Precision Direct Reading Spectrometer spark 
 1, the technical parameters 
 ◇ focal length: 750mm 
 ◇ Range :120-800nm spectral 
 ◇ high-energy pre-spark light source, excitation frequency :300-1000Hz 
 ◇ Paschen - Runge structure, vacuum optical system 
 ◇ grating 2400 grooves / mm 
 ◇ overall exit slit, set aside 240 
 2, applications 
 Instrument widely used in metallurgy, casting, machinery, metal processing, automobile manufacturing, nonferrous metals, aerospace, weapons, chemical industry production process control, central laboratory testing and other products can be used for Fe, Al, Cu, Ni, Co, Mg, Ti, Zn, Pb and other metals and their alloys samples. Can sheet, solid block and the rod-like non-metallic elements in the sample (C, P, S, B, etc.) and accurate quantitative analysis of metal elements, analysis of accurate analysis and high accuracy. Equipment maintenance is simple, low cost, low failure rate.