S. C. Dey & Co. Supplies Electrically Heated Muffle Furnace. S. C. Dey & Co. Is an ISO 9001 certified company. The Electrically Heated Muffle Furnace has temperature range upto 1000 deg C/1200 deg C. It has a Digital Controller to control temperature. Inner chamber size of this Muffle Furnace is 100 x 100 x 225 mm. This Electrically Heated Muffle Furnace works on 220/240 Volt, AC, 50 Hz and 1 Ph. Mains.