Electric muffle furnace is a table top unit with ceramic type heating chamber. Microprocessor PID auto-tuning controller installed at the base of chamber controls heat temperature, air flow and pressure. FeCrAl alloy molded heating elements aids in instant uniform heating inside chamber. It incorporates separate heating cabinet from control box to protect the electronic controller. Safety devices include ELB ( elastic load balancing ), self-diagnosis function such as temperature, SSR short circuit and sensor short circuit for end user safety.