Nabertherm Muffle Furnace – up to 1200 °C – L3 SERIES/12 With Controller
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 a 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 an integral heating element, which is safeguarded and easy to replace
- Optional flap door (L), which can be used as a work platform or a 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 categorisation according to EC Regulation No. 1272/2008 (CLP)
- Adjustable air inlet integrated in the door (see illustration)
- Exhaust air outlet in the rear wall of the furnace
- Controller B510 resp. R7 for L 1/12 (5 programs with each 4 segments)
- 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 and L 15)
- Over-temperature limiter with adjustable cutout temperature as a 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 the furnace door
- Process control and documentation via the VCD software package for monitoring, documentation and control
- Charging rack with closed or perforated trays for loading the furnace on 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
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