LATR2500 adopts the latest full free space optical path technology, which increases the Raman signal collection efficiency by nearly 4 times, thus increasing the sensitivity by 4 times.The LATR2500 Raman spectrometer is very suitable for laboratory scientific research. It is small in size, highly reliable, can be measured easily, and the test results are accurate and reliable. The excellent low stray light design of the ATR2500 makes it easy to use. The multifunctional software shipped with the ATR2500 has been rigorously tested by hundreds of scientists around the world and collected their improvement opinions. It has been updated in nearly a hundred versions. Its functions are very complete and stable, and it is very suitable for the development of Raman research work.