Infrared Spectrometer TJ270-30A TJ270-30B Infrared Spectrometer TJ270-30A TJ270-30B TJ270-30A is a new improved model from the base of TJ270-30 developed by our company, easy to operate and the software is convenient.TJ270-30A with perfect ability, widely used in oil industry, chemistry, medicine, circumstance protection, university, laboratory and other field need material analysis. It’s helpful ...