supply and installation of ftir spectrometer , supply and installation offtir spectrometer , supply and installation offtir spectrometer as per technical specifications at annexure 7 , optional item: built in reference libraryas per technical specifications at annexure 7 , optional item: extended warranty(please mention how many years are being offered) as per technical specifications at annexure 7 , optional item: computer workstation including led monitor and cpu containing windows 10, 64-bit, and printer as per technical specifications at annexure 7 , optional item: accessories to make ir- samplesas per technical specifications at annexure 7 , optional item: built-in temperature and humidity sensors/indicators as per technical specifications at annexure 7 , optional item: purging of sample and detector compartmentsas per technical specifications at annexure 7 , optional item: a/d converteras per technical specifications at annexure 7 , optional item: automatic background corrections especially for co2 and water vapouras per technical specifications at annexure 7