The muffle furnaces L 1/12 - LT 40/12 have been proven 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.

Standard Equipment
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) for an optimal temperature uniformity
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
Thermocouple type N (1100 °C) or type S (1200 °C)
Ceramic heating plates with integral heating element which is safeguarded and easy to replace
Optional flap door (L) which can be used as work platform or lift door (LT) with hot surface facing away from the operator
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)
Adjustable air inlet integrated in door (see illustration)
Exhaust air outlet in rear wall of furnace
Controller B510 resp. R7 for L 1/12 (5 programs with each 4 segments)
Solid state relays provide for lownoise operation
Defined application within the constraints of the operating instructions
NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive