| Category | Muffle Furnace |
| Model | Muffle Kiln |
| Max Temperature | 1200°C (2192°F) |
| Working Temperature | 1100°C |
| Thermocouple Type | S (Platinum-10% Rhodium) |
| Thermocouple Details | High purity alumina insulation, Platinum sheath, 6mm diameter, Type S, Tolerance Class 2, 0 to +1450°C range |
| Heating Element | Kanthal A1 (FeCrAl) |
| Element Details | FeCrAl alloy with rare earth elements, Max temp: 1425°C, Superior cyclic performance |
| Chamber (MM) | 250 x 250 x 500 |
| Outer Body (MM) | 655.0 x 865.0 x 785.0 |
| Chamber Volume | 31.3 Litres |
| Volume (cu.ft) | 15.9 ft³ |
| Power Load | 11.26 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 137.68 kg |
| Chamber Shape | Square |
This is a kiln that incorporates a muffle—an inner liner or box that separates the ware from the direct flames or combustion products. Operating up to 1000°C, it provides a clean firing environment. The working principle protects delicate glazes or materials from contamination by sulfur or other compounds in the fuel. Its purpose is historically significant for firing porcelain and fine ceramics where pure colors were essential; today, it's used for high-value technical ceramics, enameling, and glass fusing where absolute control over the atmosphere around the workpiece is required.
Trutherm manufactures 1200 Degree Celsius (°C) Muffle Kiln 250 x 250 x 500 MM Chamber for buyers who search by exact machine type, chamber size and 1200°C temperature rating. This page is specific to the MM dimension version, so the chamber size is presented in the unit normally used in the buyer's drawing, tender or purchase request.
This configuration is suitable when the sample load must fit a 250 x 250 x 500 MM chamber with usable chamber volume of 31.3 litre, approximate power load of 11.6 kW, square chamber profile. It is commonly selected for laboratory, QC, metallurgical, ceramic, pharmaceutical and industrial heat-treatment work requiring stable heating and repeatable process conditions. Typical use includes general laboratory and industrial heat-treatment applications requiring stable, repeatable temperature control.
Equivalent chamber references: 250 x 250 x 500 MM, 25 x 25 x 50 CM and 10 x 10 x 20 INCH. Buyers searching for 1200 Degree Celsius Muffle Kiln 250 x 250 x 500 MM chamber; 1200°C Muffle Kiln 250 x 250 x 500 MM; 1200 Degree Celsius Muffle Kiln 25 x 25 x 50 CM chamber; 1200°C Muffle Kiln 25 x 25 x 50 CM; 1200 Degree Celsius Muffle Kiln 10 x 10 x 20 INCH chamber; 1200°C Muffle Kiln 10 x 10 x 20 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
Where sample volume and process type vary week to week, a general-purpose muffle furnace avoids the cost of maintaining several process-specific furnace types.
A muffle furnace is usually the first furnace a lab installs, since it covers the broadest share of everyday heating, drying and ashing tasks before more specialised equipment is added.
As a general-purpose muffle furnace, this model covers a broader range of routine heating tasks than a process-specific ashing, tube or sintering furnace, making it the practical default when the lab runs mixed sample types rather than one dedicated process.