It is a small heating/cooling stage which has a cooling mechanism. It can be fitted with the sample stage of FT-IR and Raman Microscopes. The accessory is little thicker than S84. However It is very thin, and it is so designed that it can be used with various kinds of lens. Temperature ranges between -190 °C to +500 °C can be maintained by using Liquid nitrogen as refrigerant. Software enabled temperature controller can be connected with PC using USB cable.Temperature can be controlled and recorded from PC using this software. It blocks external heat when used at low temperature thus gives accurate temperature control. It can protect bedewing without purging.