supply and installation of x-ray diffraction with variable temperature at airf, jnu, new delhi 110067 , item description , supply and installation of x-ray diffraction with variable temperature. (as per tender document) , optional , high temperature attachment high-temperature in-situ phase transition study for powder samples: variable temperature accessories capable of changing from room temperature to 1300ºc (or higher) using direct heating, including a temperature controller, sample holder, vacuum pump, vacuum measuring device, and all other mandatory accessories. (as per tender document) , necessary attachments with software for rsm and xrr measurements. (as per tender document)