STANBIO Muffle Furnace of max working temp. 1000°C hairpin coiled heating element inserted in grooved bricks four sides of the muffle, Furnace is heavily insulated with best quality insulating Bricks. Temperature ids controlled through sunvic controller/Blind temp controller/Digital electronic temp. controller with cr/Al thermocouple. Furnace is operated is at 230 volts AC single phase 50 c/s.