| Category | Muffle Furnace |
| Model | Electric Crucible Furnace |
| Max Temperature | 1400°C (2552°F) |
| Working Temperature | 1300°C |
| Thermocouple Type | B (Platinum-30% Rhodium) |
| Thermocouple Details | Type B, Tolerance Class 2, 200 to +1700°C range, High purity alumina insulation, Platinum-Rhodium alloy sheath, 8mm diameter |
| Heating Element | Silicon Carbide (SiC) |
| Element Details | High power density, Brittle material, SiC heating elements, Max temp: 1600°C |
| Chamber (MM) | 640 x 880 x 640 |
| Outer Body (MM) | 1055.0 x 1485.0 x 920.0 |
| Chamber Volume | 360.4 Litres |
| Volume (cu.ft) | 53.1 ft³ |
| Power Load | 32.1 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 452.09 kg |
| Chamber Shape | Rectangular - tall |
This furnace combines electric heating with a crucible container. Operating at temperatures such as 800°C, it provides a clean melting environment. The working principle uses electric elements to heat a crucible holding the charge, either from the outside or, in some lift-out designs, by lowering the crucible into a heated well. Its purpose is for small to medium batch melting of non-ferrous metals, alloys, and glass in settings like jewelry shops, dental labs, and R&D facilities, where controllability and cleanliness are prioritized.
This configuration is suitable when the sample load must fit a 640 x 880 x 640 MM chamber with usable chamber volume of 360.4 litre, approximate power load of 31.3 kW, rectangular - tall 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: 640 x 880 x 640 MM, 64 x 88 x 64 CM and 25 x 35 x 25 INCH. Buyers searching for 1400 Degree Celsius Electric Crucible Furnace 640 x 880 x 640 MM chamber; 1400°C Electric Crucible Furnace 640 x 880 x 640 MM; 1400 Degree Celsius Electric Crucible Furnace 64 x 88 x 64 CM chamber; 1400°C Electric Crucible Furnace 64 x 88 x 64 CM; 1400 Degree Celsius Electric Crucible Furnace 25 x 35 x 25 INCH chamber; 1400°C Electric Crucible Furnace 25 x 35 x 25 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
Trutherm manufactures 1400 Degree Celsius (°C) Electric Crucible Furnace 640 x 880 x 640 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.
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.