P. L. Tandon & Co. Manufactures Rectangular Muffle Furnace. P. L. Tandon & Co. Is an ISO 9001 2000 certified company. The Rectangular Muffle Furnace is a light weight offering maximum temperature 1000 deg C and working temperature of up to 900 deg C. Here heating is completed by embedded heater mounted on the chamber and controlled by Energy Regulator &plsmn; 5deg C or Digital Temperature Indicator cum Controller. The outer body of this Rectangular Muffle Furnace is crafted of thick mild steel duly painted. It is provided with Thermo-couple, pyrometer, silver fuse, two Neon lights with wire and plug to work on 220/230 Volts AC.