Nabertherm Muffle Furnace (up to 1200C)

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.

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    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. 

    • Heating from two sides by ceramic heating plates (heating from three sides for muffle furnaces L 24/12 – LT 40/12) for an optimal temperature uniformity 
    • Temperature uniformity of +/− 5 K with closed fresh-air inlet in empty workspace according to DIN 17052-1 at working temperatures above 800 °C
    • Thermocouple 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  
    • Exhaust air outlet in rear wall of furnace  

    Features

    • 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 B410 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

    Additional Equipment

    • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15)
    • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the oven 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) not gas tight
    • Manual or automatic gas supply system
    • Port for thermocouple in the rear wall or in the furnace door
    • Process control and documentation via VCD software package for monitoring, documentation and control
    • 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 of 2 kg for the L(T) 9/11 respectively 3 kg for the L(T) 15/11

    Specifications

    Model  L 1/12  L(T) 3/12  L(T) 5/12  L(T) 9/12  L(T) 15/12  L(T) 24/12  L(T) 40/12 
    Capacity, L  1  3  5  9  15  24  40 
    Temp uniformity of +/- 5K, W  45  110  170  180  180  230  270 
    Connected Load, kW  1.5  1.2  2.4  3.0  3.2  4.5  6.0 
    Heating up time (mins)  25  45  60  75  85  80  85 
    Ext. Dims2 WxDxH3, mm  290x280x430  385x330x405+155  385x390x460+205  415x455x515+240  415x555x515+240  490x555x580+320  530x705x580+320 
    Int. Dims WxDxH, mm  90x115x110  160x140x100  200x170x130  230x240x170  230x340x170  280x340x250  320x490x250 
    Net Weight, Kg  10  20  30  35  40  55  65 

     

    Ordering Information

    L-012K27N1 Muffle Furnaces with Flap Door 1200 Degrees with R7 Contoller, 1 litre
    L-032K2RN2 Muffle Furnaces with Flap Door 1200 Degrees with B410 Contoller, 3 litre
    L-052K2RN2 Muffle Furnaces with Flap Door 1200 Degrees with B410 Contoller, 5 litre
    L-092K2RN2 Muffle Furnaces with Flap Door 1200 Degrees with B410 Contoller, 9 litre
    L-152K2RN2 Muffle Furnaces with Flap Door 1200 Degrees with B410 Contoller, 15 litre
    L-242K2RN2 Muffle Furnaces with Flap Door 1200 Degrees with B410 Contoller, 24 litre
    L-402K2RN2 Muffle Furnaces with Flap Door 1200 Degrees with B410 Contoller, 40 litre
    L-032K2TN2 Muffle Furnaces with Flap Door 1200 Degrees with C450 Contoller, 3 litre
    L-052K2TN2 Muffle Furnaces with Flap Door 1200 Degrees with C450 Contoller, 5 litre
    L-092K2TN2 Muffle Furnaces with Flap Door 1200 Degrees with C450 Contoller, 9 litre
    L-152K2TN2 Muffle Furnaces with Flap Door 1200 Degrees with C450 Contoller, 15 litre
    L-242K2TN2 Muffle Furnaces with Flap Door 1200 Degrees with C450 Contoller, 24 litre
    L-402K2TN2 Muffle Furnaces with Flap Door 1200 Degrees with C450 Contoller, 40 litre
    L-032H2RN2 Muffle Furnaces with Lift Door 1200 Degrees with B410 Contoller, 3 litre
    L-052H2RN2 Muffle Furnaces with Lift Door 1200 Degrees with B410 Contoller, 5 litre
    L-092H2RN2 Muffle Furnaces with Lift Door 1200 Degrees with B410 Contoller, 9 litre
    L-152H2RN2 Muffle Furnaces with Lift Door 1200 Degrees with B410 Contoller, 15 litre
    L-242H2RN2 Muffle Furnaces with Lift Door 1200 Degrees with B410 Contoller, 24 litre
    L-402H2RN2 Muffle Furnaces with Lift Door 1200 Degrees with B410 Contoller, 40 litre
    L-032H2TN2 Muffle Furnaces with Lift Door 1200 Degrees with C450 Contoller, 3 litre
    L-052H2TN2 Muffle Furnaces with Lift Door 1200 Degrees with C450 Contoller, 5 litre
    L-092H2TN2 Muffle Furnaces with Lift Door 1200 Degrees with C450 Contoller, 9 litre
    L-152H2TN2 Muffle Furnaces with Lift Door 1200 Degrees with C450 Contoller, 15 litre
    L-242H2TN2 Muffle Furnaces with Lift Door 1200 Degrees with C450 Contoller, 24 litre
    L-402H2TN2 Muffle Furnaces with Lift Door 1200 Degrees with C450 Contoller, 40 litre

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