| Category | Muffle Furnace |
| Model | Jewelry Furnace |
| Max Temperature | 1400°C (2552°F) |
| Working Temperature | 1300°C |
| Thermocouple Type | B (Platinum-30% Rhodium) |
| Thermocouple Details | Tolerance Class 2, 200 to +1700°C range, High purity alumina insulation, Platinum-Rhodium alloy sheath, 8mm diameter, Type B |
| Heating Element | Silicon Carbide (SiC) |
| Element Details | Brittle material, SiC heating elements, Max temp: 1600°C, High power density |
| Chamber (MM) | 330 x 330 x 650 |
| Outer Body (MM) | 740.0 x 940.0 x 935.0 |
| Chamber Volume | 70.8 Litres |
| Volume (cu.ft) | 23 ft³ |
| Power Load | 16.36 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 206.47 kg |
| Chamber Shape | Square |
This is a general-purpose furnace found in jewelry workshops, capable of performing multiple tasks: melting, casting, soldering, annealing, and enamel firing. Operating temperatures typically range to 800°C or higher for melting. The working principle emphasizes versatility, safety, and ease of use, often with programmable settings for different metals and processes. Its purpose is to serve as the primary thermal processing station for a jeweler, consolidating several tools into one and improving workflow efficiency in creating and repairing jewelry items.
Trutherm manufactures 1400 Degree Celsius (°C) Jewelry Furnace 330 x 330 x 650 MM Chamber for buyers who search by exact machine type, chamber size and 1400°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 330 x 330 x 650 MM chamber with usable chamber volume of 70.8 litre, approximate power load of 16.2 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: 330 x 330 x 650 MM, 33 x 33 x 65 CM and 13 x 13 x 26 INCH. Buyers searching for 1400 Degree Celsius Jewelry Furnace 330 x 330 x 650 MM chamber; 1400°C Jewelry Furnace 330 x 330 x 650 MM; 1400 Degree Celsius Jewelry Furnace 33 x 33 x 65 CM chamber; 1400°C Jewelry Furnace 33 x 33 x 65 CM; 1400 Degree Celsius Jewelry Furnace 13 x 13 x 26 INCH chamber; 1400°C Jewelry Furnace 13 x 13 x 26 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
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.
A muffle furnace isolates the sample from direct contact with heating elements or combustion gases, giving cleaner, more repeatable results than an open flame or hot-plate process.
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.