| Category | Muffle Furnace |
| Model | Digital Precious Metal Furnace |
| Max Temperature | 1200°C (2192°F) |
| Working Temperature | 1100°C |
| Thermocouple Type | S (Platinum-10% Rhodium) |
| Thermocouple Details | Platinum sheath, 6mm diameter, Type S, Tolerance Class 2, 0 to +1450°C range, High purity alumina insulation |
| Heating Element | Kanthal A1 (FeCrAl) |
| Element Details | Max temp: 1425°C, Superior cyclic performance, FeCrAl alloy with rare earth elements |
| Chamber (MM) | 450 x 450 x 900 |
| Outer Body (MM) | 855.0 x 1055.0 x 1175.0 |
| Chamber Volume | 182.3 Litres |
| Volume (cu.ft) | 38.8 ft³ |
| Power Load | 22.93 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 330.5 kg |
| Chamber Shape | Square |
Designed for melting and processing precious metals like gold, silver, and platinum, this furnace features digital control for accuracy. Operating at high temperatures (e.g., 1100°C), it ensures precise thermal management of valuable materials. The working principle often involves induction or resistance melting in a crucible, with digital settings to achieve the exact melting point and superheat needed for casting. Its purpose is to provide jewelers, refiners, and dental labs with a reliable, efficient tool that maximizes metal yield and consistency while minimizing oxidation loss.
Trutherm manufactures 1200 Degree Celsius (°C) Digital Precious Metal Furnace 450 x 450 x 900 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 450 x 450 x 900 MM chamber with usable chamber volume of 182.3 litre, approximate power load of 23.7 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: 450 x 450 x 900 MM, 45 x 45 x 90 CM and 18 x 18 x 36 INCH. Buyers searching for 1200 Degree Celsius Digital Precious Metal Furnace 450 x 450 x 900 MM chamber; 1200°C Digital Precious Metal Furnace 450 x 450 x 900 MM; 1200 Degree Celsius Digital Precious Metal Furnace 45 x 45 x 90 CM chamber; 1200°C Digital Precious Metal Furnace 45 x 45 x 90 CM; 1200 Degree Celsius Digital Precious Metal Furnace 18 x 18 x 36 INCH chamber; 1200°C Digital Precious Metal Furnace 18 x 18 x 36 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
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.