Agar-agar doubling compounds are experiencing an increasing popularity due to their environment friendly properties and their constant doubling results. This high-performance, low-noiseinstrument with its perfect electronic control meets the highest requirements in doubling technology. The melting and processing temperatures are programmed with push-buttons and potentiometers, and shown in the display. The 850 watt heater has 4 heating circuits. Three heating circuits are electronically controlled so precisely, that the preset temperatures are maintained exactly at any position of the container. Stirring, melting, cooling and maintaining processing temperature are carried out automatically. The doubling mass is filled with the hand valve, which is designed for exact dosing.