procurement of thermo gravimetric analyzer tga , thermo gravimetric analyzer (tga) with following specifications • modular design with interchangeable furnaces – tga system should be easily reconfigured to a sta model, for greater flexibility and versatility. • easy changeable sensor without service interaction – sensor should be easily removed, replaced, and cleaned by customer – no service required. • compact system with smallest footprint - the instrument should have a footprint less than 38 cm square. • should include mass flow controller - an integrated mass flow controller for monitoring and controlling purge flow rates must be included as standard. • control on both sample and balance purge. • intuitive touchscreen - touch interface must simplify instrument operation, significantly enhancing productivity. • should include software suite which is easy to use and feature rich for maximum application flexibility. • designed for hyphenation – should be designed to be easily linked to other instruments like ftir / gcms (hyphenation) with manual or automated loading. • balance to be of top-loading design to allow ease of sample loading and operation. • the furnace must be made of a material which is corrosion resistant. • the instrument should be designed so that the furnace and balance are isolated from operators. • must be able to heat at up to 300°c/min controlled and 450°c/min ballistic. • the temperature range needs to cover 15°c to 1100°c. • the balance should be protected from the reactive sample purge gas as well as materials evolved by the sample. • temperature precision needs to be <0.6 °c • calibrating via either melting or curie points • balance measurement range up to 1500mg. • balance accuracy to be better than 0.005% of total sample mass. • balance precision ± 0.005% • the following cooling time is necessary: 1000 to 30 °c in less than 20 minutes. • must have an inert cooling gas – for faster cooling of your gas choice. • comprehensive accessory kit to be included as standard. • atmosphere can be static or dynamic, including nitrogen, helium, carbon dioxide, air, oxygen, argon or other inert or active gases over full temp range. • small furnace improved balance housing design should be there for reduced gas consumption. local accessories: suitable pc, printer, ups and necessary gas cylinders with double stage regulators should also to be included with the machine and the rate quoted accordingly with specifications.