Economy Muffle Furnaces up to 1100 °C
Quality features like the dual shell furnace housing of rust-free stainless steel, their compact, lightweight constructions, or the heating elements encased in quartz glass tubes make these models reliable partners for your application.

Function and equipment
With their convincing price/performance ratio and the fast heat-up rates, these compact muffle furnaces are perfect for many applications in the laboratory. Quality features like the dual shell furnace housing of rust-free stainless steel, their compact, lightweight constructions, or the heating elements encased in quartz glass tubes make these models reliable partners for your application.
Standard Equipment
- Tmax 1100 °C
- Heating from two sides from heating elements protected in quartz glass tubes
- Fast heating times (see table)
- Maintenance-friendly replacement of heating elements and insulation
- Housing coated in RAL 9003
- Solid state relays provide for lownoise operation
- Dual shell housing made of textured stainless steel sheets with additional fan cooling for low surface temperature
- Exclusive use of insulation materials without categorization according to EC Regulation No. 1272/2008 (CLP)
- Flap door which can also be used as a work platform
- Exhaust air outlet in rear wall
- Compact dimensions and light weight
- Controller mounted under the door to save space
- Controller R8 (adjustable for one temperature)
- Defined application within the constraints of the operating instructions
Additional equipment
Additional Equipment
- Chimney, chimney with fan or catalytic converter (not for LE 1 and LE 2)
- Charging rack with closed or perforated trays for loading the furnace in two levels incl. holder for inserting/removing the trays up to a max. temperature of 800 °C and a max. loading weight per layer of 2 kg for the LE 14/11 respectively 3,5 kg for the LE 24/11
Technical specifications
Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions2 in mm | Temperature uniformity of +/− 5K in the empty workspace4 | Connected load5 | Electrical | Weight | Heating time | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
in °C1 | w | d | h | in l | W | D | H | w | d | h | in kW | connection | in kg | in min3 | |
LE 1/11 | 1100 | 90 | 115 | 110 | 1 | 290 | 280 | 410 | 40 | 65 | 60 | 1.6 | 1-phase | 15 | 10 |
LE 2/11 | 1100 | 110 | 180 | 110 | 2 | 330 | 390 | 410 | 60 | 130 | 60 | 1.9 | 1-phase | 20 | 15 |
LE 6/11 | 1100 | 170 | 200 | 170 | 6 | 390 | 440 | 470 | 120 | 150 | 120 | 2.0 | 1-phase | 27 | 30 |
LE 14/11 | 1100 | 220 | 300 | 220 | 14 | 440 | 540 | 520 | 170 | 250 | 170 | 3.2 | 1-phase | 35 | 35 |
LE 24/11 | 1100 | 260 | 330 | 280 | 24 | 490 | 570 | 590 | 200 | 270 | 230 | 3.5 | 1-phase | 42 | 40 |
1Recommended working temperature for processes with longer dwell times is 1050 °C |
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Further products

Catalog
A complete overview of our extensive range of furnaces, ovens and accessories for the laboratory can be found in our “Laboratory” catalog.