Muffle Furnace with Brick Insulation
Model No. :
Brand : Nabertherm
These muffle furnaces utilize high-quality refractory brick insulation to provide robust thermal performance and excellent temperature distribution within the chamber. The specialized construction ensures a durable heating environment suitable for intensive laboratory heat treatment processes requiring temperatures up to 1300 °C.
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Two sided heating from both sides
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Robust lightweight refractory brick chamber insulation
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Dual shell housing for low temperatures
− Features
- Tmax 1300 °C
- Heating from two sides
- Heating elements on support tubes ensure free heat radiation and a long service life
- Multi-layer insulation with robust lightweight refractory bricks in the furnace chamber
- Dual shell ventilated housing made of textured stainless steel sheets for low surface temperature 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 in the furnace door
- Exhaust air outlet in rear wall of furnace
- Controller with touch operation B510 (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
+ Technical Specifications
+ Resources
Features
- Tmax 1300 °C
- Heating from two sides
- Heating elements on support tubes ensure free heat radiation and a long service life
- Multi-layer insulation with robust lightweight refractory bricks in the furnace chamber
- Dual shell ventilated housing made of textured stainless steel sheets for low surface temperature 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 in the furnace door
- Exhaust air outlet in rear wall of furnace
- Controller with touch operation B510 (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
Technical Specifications
| Model | L, LT 5/13 | L, LT 9/13 | L, LT 15/1 | |
| Tmax | in °C1 | 1,300 | 1,300 | 1,300 |
| Inner dimensions in mm | w | 225 | 250 | 250 |
| Inner dimensions in mm | d | 170 | 240 | 340 |
| Inner dimensions in mm | h3 | 130 | 170 | 170 |
| Volume | in l | 5 | 9 | 15 |
| Outer dimensions2 in mm | w | 490 | 530 | 530 |
| Outer dimensions2 in mm | d | 450 | 525 | 625 |
| Outer dimensions2 in mm | h3 | 580+320 | 630+350 | 630+350 |
| Temperature uniformity of +/− 5K in the empty workspace5 | w | 170 | 180 | 180 |
| Temperature uniformity of +/− 5K in the empty workspace5 | d | 100 | 170 | 270 |
| Temperature uniformity of +/− 5K in the empty workspace5 | h | 80 | 120 | 120 |
| Connected load | in kW | 3 | 3.3 | 3.5 |
| Electrical | connection | 1-phase | 1-phase | 1-phase |
| Weight | in kg | 46 | 58 | 71 |
| Heating time | in min4 | 55 | 60 | 80 |
1Recommended working temperature for processes with longer dwell times is 1200 °C
2External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.
3Including opened lift door (LT models)
4Heating time of the empty and closed furnace up to Tmax −100 K (connected to 230 V 1/N/PE)
5Temperature uniformity of +/− 5 K with closed fresh-air inlet in empty work space according to DIN 17052-1 at working temperatures above 800 °C see page 77
6The connected load refers to the standard furnace and may increase for a furnace with additional equipment. For furnaces with connection options for multi-range voltages, the connected load applies to the highest permissible connected voltage.
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