| Category | Muffle Furnace |
| Model | Digital Box Furnace |
| Max Temperature | 800°C (1472°F) |
| Working Temperature | 700°C |
| Thermocouple Type | K (Chromel-Alumel) |
| Thermocouple Details | Tolerance Class 1, -40 to +750°C range, MgO insulated mineral, Inconel 600 sheath, 4mm diameter, Type K |
| Heating Element | Kanthal A1 (FeCrAl) |
| Element Details | Max temp: 1425°C, Superior cyclic performance, FeCrAl alloy with rare earth elements |
| Chamber (MM) | 250 x 450 x 250 |
| Outer Body (MM) | 660.0 x 1065.0 x 530.0 |
| Chamber Volume | 28 Litres |
| Volume (cu.ft) | 13.3 ft³ |
| Power Load | 11.65 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 121.86 kg |
| Chamber Shape | Rectangular - tall |
Trutherm Digital Box Furnace models combine box chamber construction with digital control for ashing, heat treatment, testing and high-temperature processing.
Trutherm manufactures 800 Degree Celsius (°C) Digital Box Furnace 250 x 450 x 250 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.
This configuration is suitable when the sample load must fit a 250 x 450 x 250 MM chamber with usable chamber volume of 28 litre, approximate power load of 11.1 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 annealing, tempering, hardening and general heat-treatment of metal and ceramic parts in tool rooms, forge shops and QC labs.
Equivalent chamber references: 250 x 450 x 250 MM, 25 x 45 x 25 CM and 10 x 18 x 10 INCH. Buyers searching for 800 Degree Celsius Digital Box Furnace 250 x 450 x 250 MM chamber; 800°C Digital Box Furnace 250 x 450 x 250 MM; 800 Degree Celsius Digital Box Furnace 25 x 45 x 25 CM chamber; 800°C Digital Box Furnace 25 x 45 x 25 CM; 800 Degree Celsius Digital Box Furnace 10 x 18 x 10 INCH chamber; 800°C Digital Box Furnace 10 x 18 x 10 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
Heat-treatment cycles such as annealing and tempering depend on a stable soak temperature, and the muffle-lined box chamber isolates the workpiece from direct flame or element contact for even heating.
Because the chamber geometry is simple, box furnaces are typically the most cost-effective furnace type per litre of usable volume, which is why they remain the default choice for general heat treatment.
Compared to a tube or ashing furnace, this box (chamber) furnace gives the largest usable loading footprint for its outer size, so it suits irregularly shaped parts, trays and multiple crucibles better than a cylindrical or vent-style chamber.