| Category | Muffle Furnace |
| Model | Jewelry Furnace |
| Max Temperature | 1000°C (1832°F) |
| Working Temperature | 900°C |
| Thermocouple Type | N (Nicrosil-Nisil) |
| Thermocouple Details | Tolerance Class 2, 0 to +1100°C range, MgO insulated mineral, Inconel 600 sheath, 6mm diameter, Type N |
| Heating Element | Kanthal A1 (FeCrAl) |
| Element Details | Max temp: 1425°C, Superior cyclic performance, FeCrAl alloy with rare earth elements |
| Chamber (MM) | 250 x 250 x 500 |
| Outer Body (MM) | 660.0 x 855.0 x 780.0 |
| Chamber Volume | 31.3 Litres |
| Volume (cu.ft) | 15.9 ft³ |
| Power Load | 11.13 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 135.76 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.
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 1000 Degree Celsius Jewelry Furnace 250 x 250 x 500 MM chamber; 1000°C Jewelry Furnace 250 x 250 x 500 MM; 1000 Degree Celsius Jewelry Furnace 25 x 25 x 50 CM chamber; 1000°C Jewelry Furnace 25 x 25 x 50 CM; 1000 Degree Celsius Jewelry Furnace 10 x 10 x 20 INCH chamber; 1000°C Jewelry Furnace 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.
Trutherm manufactures 1000 Degree Celsius (°C) Jewelry Furnace 250 x 250 x 500 MM Chamber for buyers who search by exact machine type, chamber size and 1000°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.
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.
Because muffle furnaces are used across ashing, drying, calcination and light heat-treatment, the chamber and controller are specified for flexibility rather than one narrow process window.
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.