What is the Purpose of the SFT-250 Over Temperature Logic Controller?
The “over temperature” logic controller keeps the vessels outer wall temperature from getting extremely hot and in turn over shooting the internal set temperature of the sample vessel. For example, if you have an internal vessel temperature set to 40 C, you would set the external wall temperature or “over temperature” controller to 45 C. In this way you maintain the internal temperature at 40 C without overshooting the desired temperature. Keep in mind you are heating a very large metal mass in the sample vessel. There is a certain amount of histolysis of heat through the vessel wall. To maintain accurate temperature control a control of both the internal vessel temperature and external wall temperature is the best solution.
