The new muffle furnace has a chamber volume of 3 liters and can be infinitely controlled via a touch pad surface up to 1100 ° C (resolution 1 ° C, precision +/- 2 ° C). The housing is made of metal with an exhaust port on the back wall. The interior is made of ceramic fiber and completely enclosed with heating elements. In addition, the device has a type K thermocouple and comes with a ceramic bottom tray. Optionally, the stove can be equipped with a fan-operated exhaust chimney (D80mm attachment) for the escape of gases and vapors.