Precise Process Temperature Control Rings from 660° C to 1, 750° C, properties: - Precise recording of the 3-D temperature distribution and firing and time condition profile inside the furnace / kiln - Very easy and economic handling - Display and monitoring of the firing & sintering processes by individual ring temperatures - Measuring results tolerances + / - 3° C or better - 6 types of ring for accurate measuring - Special micrometer available