Muffle Furnaces with Flap Door or Lift Door

The muffle furnaces L 1/12 - LT 40/12 are the right choice for daily laboratory use. These models stand out for their
excellent workmanship, advanced and attractive design, and high level of reliability. The muffle furnaces come equipped
with either a flap door or lift door at no extra charge.

• „Tmax 1100 °C or 1200 °C
• Heating from two sides by ceramic heating plates (heating from three sides for muffle furnaces L 24/11 - LT 40/12)
• Ceramic heating plates with integral heating element which is safeguarded against fumes and splashing, and easy to
  replace
• Insulation made of non-classified fiber material
• Housing made of sheets of textured stainless steel
• Dual shell housing for low external temperatures and high stability
• Optional flap door (L) which can be used as work platform or lift door (LT) with hot surface facing away from the
  operator
• Adjustable air inlet integrated in door (see illustration)
• Exhaust air outlet in rear wall of furnace
• Solid state relays provide for low-noise operation
• Defined application within the constraints of the operating instructions
• NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Additional equipment

• Chimney, chimney with fan or catalytic converter (not for L 1)
• 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