The newly designed excellent optical system , high-performance holographic blazed grating, to ensure the instrument of low stray light. Double beam metering system, with advanced circuit tt&c system.,make the instrument with high stability and low noise. Automatic control systems, advanced design concepts to ensure that instrument with high reliability and stability. Removable structure of sample room design, easy to replace different attachments.,to satisfy different analysis demand. Capacious open source chamber design, make the light source change more convenient. Key components are of high quality, guarantee the high reliability of the instrument performance. English and Chinese operating software under Windows environment,with many patent technology, provides abundant unique analysis capabilities.