| Category | Muffle Furnace |
| Model | Bead Furnace |
| Max Temperature | 1400°C (2552°F) |
| Working Temperature | 1300°C |
| Thermocouple Type | B (Platinum-30% Rhodium) |
| Thermocouple Details | High purity alumina insulation, Platinum-Rhodium alloy sheath, 8mm diameter, Type B, Tolerance Class 2, 200 to +1700°C range |
| Heating Element | Silicon Carbide (SiC) |
| Element Details | Brittle material, SiC heating elements, Max temp: 1600°C, High power density |
| Chamber (MM) | 840 x 610 x 610 |
| Outer Body (MM) | 1255.0 x 1225.0 x 890.0 |
| Chamber Volume | 312.6 Litres |
| Volume (cu.ft) | 48.6 ft³ |
| Power Load | 28.88 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 414.82 kg |
| Chamber Shape | Rectangular - wide |
This furnace is designed for melting or fusing glass to create beads or other small glass items. Operating at temperatures around 800°C, it heats glass to a viscous state suitable for shaping. The working principle typically involves a small, concentrated heating zone, often using a torch-like flame or an electric element in a bench-top design, allowing an artisan to manipulate the glass. Its purpose is for crafting decorative glass beads, scientific glassware components, or small artistic pieces. It is a fundamental tool in glass art studios and specialized glassworking shops, enabling detailed handcrafting.
This configuration is suitable when the sample load must fit a 840 x 610 x 610 MM chamber with usable chamber volume of 312.6 litre, approximate power load of 29.5 kW, rectangular - wide 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: 840 x 610 x 610 MM, 84 x 61 x 61 CM and 33 x 24 x 24 INCH. Buyers searching for 1400°C Bead Furnace 840 x 610 x 610 MM; Bead Furnace 1400°C 840 x 610 x 610 MM; Bead Furnace 840 x 610 x 610 MM 1400°C; 840 x 610 x 610 MM 1400°C Bead Furnace; 1400 Degree Bead Furnace 840 x 610 x 610 MM; Bead Furnace 1400 Degree 840 x 610 x 610 MM 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) Bead Furnace 840 x 610 x 610 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.
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.