| Category | Muffle Furnace |
| Model | Bead Furnace |
| Max Temperature | 800°C (1472°F) |
| Working Temperature | 700°C |
| Thermocouple Type | K (Chromel-Alumel) |
| Thermocouple Details | MgO insulated mineral, Inconel 600 sheath, 4mm diameter, Type K, Tolerance Class 1, -40 to +750°C range |
| Heating Element | Kanthal A1 (FeCrAl) |
| Element Details | FeCrAl alloy with rare earth elements, Max temp: 1425°C, Superior cyclic performance |
| Chamber (MM) | 245 x 235 x 400 |
| Outer Body (MM) | 645.0 x 840.0 x 685.0 |
| Chamber Volume | 23 Litres |
| Volume (cu.ft) | 13.4 ft³ |
| Power Load | 10.66 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 112.74 kg |
| Chamber Shape | Square |
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 245 x 235 x 400 MM chamber with usable chamber volume of 23 litre, approximate power load of 10.2 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: 245 x 235 x 400 MM, 25 x 24 x 40 CM and 9 x 9 x 16 INCH. Buyers searching for 800 Degree Celsius Bead Furnace 245 x 235 x 400 MM chamber; 800°C Bead Furnace 245 x 235 x 400 MM; 800 Degree Celsius Bead Furnace 25 x 24 x 40 CM chamber; 800°C Bead Furnace 25 x 24 x 40 CM; 800 Degree Celsius Bead Furnace 9 x 9 x 16 INCH chamber; 800°C Bead Furnace 9 x 9 x 16 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
Trutherm manufactures 800 Degree Celsius (°C) Bead Furnace 245 x 235 x 400 MM Chamber for buyers who search by exact machine type, chamber size and 800°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.
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.
Routine QC and teaching labs value a muffle furnace precisely because one unit can cover several standard test methods without dedicated process-specific tooling.
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.