Product details
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 R7 (adjustable for one temperature)
- Defined application within the constraints of the operating instructions
Additional Equipment
- Chimney, chimney with fan or catalytic converter (not for LE 1 and LE 2)
Model | Tmax | Inner | dimensions | in mm | Volume | Outer | dimensions | in mm | Temperature uniformity | of +/− 5K in the | empty workspace4 | Max. connected | Electrical | Weight | Heating time |
in °C1 | w | d | h | in l | W | D | H | w | d | h | load 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 | 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 |
1. Recommended working temperature for processes with longer dwell times is 1050 °C
2. External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.
3. Heating time of the empty and closed furnace up to Tmax −100 K (connected to 230 V 1/N/PE)
4. Temperature uniformity of +/− 5 K with closed fresh-air inlet in empty work space according to DIN 17052-1 at working temperatures above 800 °C









