The ProCal Calibration Device both checks and recalibrates the temperature settings on Pro 200 Series furnaces. The easy to use device features automatic calibration - no manual adjustment is required. Functions include: Quick QC Check mode quickly checks a specified temperature. Full Calibration mode automatically analyzes and recalibrates any Pro200 Series Furnace for both low and high fusing porcelains temperatures. ProCal Cool Muffle function automatically heat soaks the furnace to 800ºC before beginning full calibration. Adaptor included for use with Pro 100 Series furnaces to check temperature but Full Calibration requires manual setting. Reocmmended use: To maintain consistency and accuracy when firing procelain, run QC Check when furnace programs are initally set and then on a monthly maintenace schedule. The ProCal provides comparison data on all Pro Series furnaces so that all furnaces are standarized to on calibration device.