FTIR-SPECTROPHOTOMETER (With Software) Model LI-5500Spectral Range : 7800 to 400 cm-1, Resolution: Better than 0.5cm-1, Wave number Precision: 0.01cm-1,Scanning Speed: 0.2~2.5 cm-1/s, Automatically optimized for detector type or manually adjustable for specific applications, Signal to noise ratio: better than 15,000:1 (RMS value, at 2100cm-1, resolution: 4cm-1, detector: DTGS, 1minute data collection) Beam splitter: Ge coated KBr, Infrared Source: External, air-cooled, high efficiency Reflex Sphere module, Detector: DTGS, MCT (optional), Data System:  Compatible computer, Software: FT-IR software contains all routines needed for basic spectrometer operations. Including library search, quantitation and spectrum Three stages of quality checking before dispatch.