The Laboratory Muffle Furnace is a high-performance box-type electric furnace designed for heat treatment, material testing, sample preparation, annealing, ashing, calcination, and laboratory research applications. The furnace provides excellent temperature uniformity through a silicon carbide muffle chamber and energy-efficient ceramic fiber insulation, ensuring reliable and repeatable results. Designed for continuous laboratory operation, the furnace features an advanced PID temperature controller, solid-state power control, and multiple safety protections for precise thermal processing. Applications The furnace is suitable for a wide range of laboratory and industrial applications, including: ? General Laboratory Testing ? Heat Treatment ? Annealing ? Ash Determination ? Coal Analysis ? Lime Calcination ? Ceramic Sample Firing ? Chemical Analysis ? Organic & Inorganic Ashing ? Soil & Aggregate Testing ? Cement Testing ? Metallurgical Research ? Glass Processing ? Research Laboratories ? Universities & Engineering Colleges ? Industrial Quality Control Order Code : 262710007.5 High Temperature Muffle Furnace Technical Specifications Parameter Specification Furnace Type Box Type Laboratory Muffle Furnace Maximum Operating Temperature 1200°C Chamber Dimensions (W × D × H) 175 × 300 × 150 mm External Dimensions (W × D × H) 550 × 550 × 400 mm Chamber Volume 7.9 Litres Power Rating 3.2 kW Heating Element Kanthal A1 Resistance Heating Elements Control Thermocouple Type N Temperature Accuracy ±1°C Display 7-Segment LED Digital Display Temperature Control Electronic PID Controller Power Control Solid State Relay (SSR) Temperature Sensor NABL Certified Thermocouple Construction Features ? Heavy-duty 1.6 mm powder-coated mild steel cabinet ? High-purity vacuum-formed ceramic fiber insulation ? Pre-sintered insulation board for maximum energy efficiency ? Silicon carbide muffle chamber for superior temperature uniformity ? Double-wall construction with cooling fan ? Low external surface temperature ? High thermal efficiency with low heat loss ? Compact laboratory design ? Easy access front-loading chamber Temperature Control System The furnace is equipped with an advanced electronic temperature control system that provides stable and accurate heating performance. Standard Functions ? Digital PID Temperature Controller ? LED Temperature Display ? Temperature Accuracy ±1°C ? Solid State Relay (SSR) Power Control ? NABL Certified Thermocouple ? Type-N Temperature Sensor ? Automatic Temperature Regulation ? Uniform Heating Performance Safety Features The furnace incorporates multiple safety systems to ensure reliable and safe operation. Order Code : 262710007.5 High Temperature Muffle Furnace ? Over-temperature protection limiter ? Adjustable safety cut-out temperature ? Door safety limit switch disconnecting heating elements when opened ? Thermocouple break protection ? Double insulated outer body ? Cooling fan for electrical component protection ? Energy-efficient insulated chamber ? Low external cabinet temperature Door Mechanism ? Parallel motion swing door ? Mechanical linkage opening system ? Push-down lever locking mechanism ? Safe and convenient front loading Standard Features ? Maximum operating temperature 1200°C ? Silicon carbide muffle chamber ? Excellent temperature uniformity ? PID electronic temperature controller ? Digital LED display ? Solid State Relay controlled heating ? High-grade ceramic fiber insulation ? Energy-efficient operation ? Rugged steel construction ? Easy maintenance ? Continuous duty operation ? Compact laboratory footprint