Don’t gamble with your mounted stone casting. Indispensable for stone set casting! This temperature controller is packed with features to assure a consistent cycle perfect for casting with stones. The additional recorder gives you the information you need to see your entire burnout cycle at a glance with an easy to read graphical chart representation. One line dictates the temperature of the oven at a particular time and the other line represents the temperature of a control flask inside the oven to see what is going on in each flasks at all times.