Muffle furnaces series L 3/11 - L 40/11 series, max. 1100 °C, with flap door
For daily laboratory use. Models with flap door or lift door available, for temperatures from 1100 °C to 1400 °C.

-Dual shell housing made of textured stainless steel sheets for low external temperatures and high stability
-Adjustable air inlet integrated in door
-Exhaust air outlet in rear wall of furnace
-Solid state relays provide low-noise operation
-Optionally available with flap door (L models) that can be used as work platform or with lift door (LT models) with hot surface facing away from the operator
-Available with the programmable controllers B 410 and C 450 with adjustable ramps and hold times (L 1/12 with R7 or 3216)
-All insulation materials used are classified as non-carcinogenic according to TRGS 905, Class 1 or 2
-Standard connection 220-240 V 1/N/PE 50/60 Hz

1100 °C and 1200 °C models
-Ceramic heating plates with integrated heating wire, splash and exhaust protected, easy to replace
-heating from two sides (heating from three sides for muffle furnaces with interior volumes of 24 litres and 40 litres)

1300 °C and 1400 °C models
-Heating elements on support tubes for free heat radiation, short heating times and long service life
-Heating from two sides

Optional
-Chimney, chimney with fan or catalytic converter
-Over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
-Protective gas connection to purge with non-flammable protective or reaction gases (not available in combination with chimney, chimney with fan or catalytic converter)
-Manual or automatic gas supply system
-Process control and documentation via VCD software package for monitoring, documentation and control
Max. temperature 1100 °C. Flap door can be used as work platform.