Laboratory
Muffle Furnaces with Flap Door or Lift Door
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Muffle furnace L 3/12 | Muffle furnace L 5/11 |
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
- Process control and documentation via VCD software package for monitoring, documentation and control
Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions in mm | Connected | Electrical | Weight | Minutes | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Flap door | °C | w | d | h | in l | W | D | H | load kW | connection* | in kg | to Tmax2 |
L 3/11 | 1100 | 160 | 140 | 100 | 3 | 385 | 330 | 405 | 1.2 | 1-phase | 20 | 60 |
L 5/11 | 1100 | 200 | 170 | 130 | 5 | 385 | 390 | 460 | 2.4 | 1-phase | 30 | 60 |
L 9/11 | 1100 | 230 | 240 | 170 | 9 | 415 | 455 | 515 | 3.0 | 1-phase | 35 | 75 |
L 15/11 | 1100 | 230 | 340 | 170 | 15 | 415 | 555 | 515 | 3.5 | 1-phase | 40 | 90 |
L 24/11 | 1100 | 280 | 340 | 250 | 24 | 490 | 555 | 580 | 4.5 | 3-phase | 55 | 95 |
L 40/11 | 1100 | 320 | 490 | 250 | 40 | 530 | 705 | 580 | 6.0 | 3-phase | 65 | 95 |
L 1/12 | 1200 | 90 | 115 | 110 | 1 | 290 | 280 | 430 | 1.5 | 1-phase | 10 | 25 |
L 3/12 | 1200 | 160 | 140 | 100 | 3 | 385 | 330 | 405 | 1.2 | 1-phase | 20 | 75 |
L 5/12 | 1200 | 200 | 170 | 130 | 5 | 385 | 390 | 460 | 2.4 | 1-phase | 30 | 75 |
L 9/12 | 1200 | 230 | 240 | 170 | 9 | 415 | 455 | 515 | 3.0 | 1-phase | 35 | 90 |
L 15/12 | 1200 | 230 | 340 | 170 | 15 | 415 | 555 | 515 | 3.5 | 1-phase | 40 | 105 |
L 24/12 | 1200 | 280 | 340 | 250 | 24 | 490 | 555 | 580 | 4.5 | 3-phase | 55 | 110 |
L 40/12 | 1200 | 320 | 490 | 250 | 40 | 530 | 705 | 580 | 6.0 | 3-phase | 65 | 110 |
Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions in mm | Connected | Electrical | Weight | Minutes | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Lift door | °C | w | d | h | in l | W | D | H1 | load kW | connection* | in kg | to Tmax2 |
LT 3/11 | 1100 | 160 | 140 | 100 | 3 | 385 | 330 | 405+155 | 1.2 | 1-phase | 20 | 60 |
LT 5/11 | 1100 | 200 | 170 | 130 | 5 | 385 | 390 | 460+205 | 2.4 | 1-phase | 30 | 60 |
LT 9/11 | 1100 | 230 | 240 | 170 | 9 | 415 | 455 | 515+240 | 3.0 | 1-phase | 35 | 75 |
LT 15/11 | 1100 | 230 | 340 | 170 | 15 | 415 | 555 | 515+240 | 3.5 | 1-phase | 40 | 90 |
LT 24/11 | 1100 | 280 | 340 | 250 | 24 | 490 | 555 | 580+320 | 4.5 | 3-phase | 55 | 95 |
LT 40/11 | 1100 | 320 | 490 | 250 | 40 | 530 | 705 | 580+320 | 6.0 | 3-phase | 65 | 95 |
LT 3/12 | 1200 | 160 | 140 | 100 | 3 | 385 | 330 | 405+155 | 1.2 | 1-phase | 20 | 75 |
LT 5/12 | 1200 | 200 | 170 | 130 | 5 | 385 | 390 | 460+205 | 2.4 | 1-phase | 30 | 75 |
LT 9/12 | 1200 | 230 | 240 | 170 | 9 | 415 | 455 | 515+240 | 3.0 | 1-phase | 35 | 90 |
LT 15/12 | 1200 | 230 | 340 | 170 | 15 | 415 | 555 | 515+240 | 3.5 | 1-phase | 40 | 105 |
LT 24/12 | 1200 | 280 | 340 | 250 | 24 | 490 | 555 | 580+320 | 4.5 | 3-phase | 55 | 110 |
LT 40/12 | 1200 | 320 | 490 | 250 | 40 | 530 | 705 | 580+320 | 6.0 | 3-phase | 65 | 110 |
1Including opened lift door *Please see page 60 for more information about supply voltage 2If connected at 230 V 1/N/PE rsp. 400 V 3/N/PE |
Muffle Furnaces Basic Models
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Muffle furnace LE 1/11 | Muffle furnace LE 6/11 |
With their unbeatable price/performance ratio, these compact muffle furnaces are perfect for many applications in the laboratory. Quality features like the dual shell furnace housing of rust-free stainless steel, their compact, lightweight constructions, or the heating elements encased in quartz glass tubes make these models reliable partners for your application.
- Tmax 1100 °C, working temperature 1050 °C
- Heating from two sides from heating elements in quartz glass tubes
- Maintenance-friendly replacement of heating elements and insulation
- 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
- Flap door which can also be used as a work platform
- Exhaust air outlet in rear wall
- Solid state relays provide for low-noise operation
- Compact dimensions and light weight
- Controller mounted under the door to save space
- Defined application within the constraints of the operating instructions
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
- Manual gas supply system
Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions in mm | Connected | Electrical | Weight | Minutes | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | w | d | h | in l | W | D | H | load kW | connection* | in kg | to Tmax1 | |
LE 1/11 | 1100 | 90 | 115 | 110 | 1 | 290 | 280 | 430 | 1.5 | 1-phase | 10 | 10 |
LE 2/11 | 1100 | 110 | 180 | 110 | 2 | 330 | 385 | 430 | 1.8 | 1-phase | 10 | 25 |
LE 6/11 | 1100 | 170 | 200 | 170 | 6 | 390 | 435 | 490 | 1.8 | 1-phase | 18 | 35 |
LE 14/11 | 1100 | 220 | 300 | 220 | 14 | 440 | 535 | 540 | 2.9 | 1-phase | 25 | 40 |
1If connected at 230 V 1/N/PE rsp. 400 V 3/N/PE *Please see page 60 for more information about supply voltage |
Muffle Furnaces with Brick Insulation and Flap Door or Lift Door
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Muffle furnace LT 5/13 | Muffle furnaceL 9/13 |
Heating elements on support tubes radiating freely into the furnace chamber provide for particularly short heating times for these muffle furnaces. Thanks to their robust lightweight refractory brick insulation, they can reach a maximum working temperature of 1300 °C. These muffle furnaces thus represent an interesting alternative to the familiar L(T) 3/11 models, when you need particularly short heating times or a higher application temperature.
- 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
- Housing made of sheets of textured stainless steel
- Dual shell housing for low external temperatures and 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
- 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
- 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
- Manual or automatic gas supply system
- Process control and documentation via VCD software package for monitoring, documentation and control
Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions in mm | Connected | Electrical | Weight | Minutes | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | w | d | h | in l | W | D | H | load kW | connection* | in kg | to Tmax2 | |
L, LT 5/13 | 1300 | 200 | 170 | 130 | 5 | 490 | 450 | 580+3201 | 2.4 | 1-phase | 42 | 45 |
L, LT 9/13 | 1300 | 230 | 240 | 170 | 9 | 530 | 525 | 630+3501 | 3.0 | 1-phase | 60 | 50 |
L, LT 15/13 | 1300 | 260 | 340 | 170 | 15 | 530 | 625 | 630+3501 | 3.5 | 1-phase | 70 | 60 |
1Including opened lift door (LT models) *Please see page 60 for more information about supply voltage 2If connected at 230 V 1/N/PE rsp. 400 V 3/N/PE |
Ashing Furnaces with Flap Door or Lift Door
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Ashing furnace LV 3/11 | Ashing furnace LVT 9/11 |
The ashing furnaces LV 3/11 - LVT 15/11 are especially designed for ashing in the laboratory. A special air intake and exhaust system allows air exchange of more than 6 times per minute. Incoming air is preheated to ensure a good temperature uniformity.
- Tmax 1100 °C
- Heating from two sides
- Ceramic heating plates with integral heating element which is safeguarded against fumes and splashing, and easy to replace
- Air exchange of more than 6 times per minute
- Good temperature uniformity due to preheating of incoming air
- Insulation made of non-classified fiber material
- Housing made of sheets of textured stainless steel
- Dual shell housing for low external temperatures and stability
- Optional flap door (LV) which can be used as work platform or lift door (LVT) with hot surface facing away from the operator
- 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
- 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
- Process control and documentation via VCD software package for monitoring, documentation and control
Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions in mm | Connected | Electrical | Weight | Minutes | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Flap door | °C | w | d | h | in l | W | D | H1 | load kW | connection* | in kg | to Tmax2 |
LV 3/11 | 1100 | 160 | 140 | 100 | 3 | 385 | 360 | 735 | 1.2 | 1-phase | 20 | 120 |
LV 5/11 | 1100 | 200 | 170 | 130 | 5 | 385 | 420 | 790 | 2.4 | 1-phase | 35 | 120 |
LV 9/11 | 1100 | 230 | 240 | 170 | 9 | 415 | 485 | 845 | 3.0 | 1-phase | 45 | 120 |
LV 15/11 | 1100 | 230 | 340 | 170 | 15 | 415 | 585 | 845 | 3.5 | 1-phase | 55 | 120 |
Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions in mm | Connected | Electrical | Weight | Minutes | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Lift door | °C | w | d | h | in l | W | D | H1 | load kW | connection* | in kg | to Tmax2 |
LVT 3/11 | 1100 | 160 | 140 | 100 | 3 | 385 | 360 | 735 | 1.2 | 1-phase | 20 | 120 |
LVT 5/11 | 1100 | 200 | 170 | 130 | 5 | 385 | 420 | 790 | 2.4 | 1-phase | 35 | 120 |
LVT 9/11 | 1100 | 230 | 240 | 170 | 9 | 415 | 485 | 845 | 3.0 | 1-phase | 45 | 120 |
LVT15/11 | 1100 | 230 | 340 | 170 | 15 | 415 | 585 | 845 | 3.5 | 1-phase | 55 | 120 |
1Including exhaust tube (Ø 80 mm) *Please see page 60 for more information about supply voltage 2If connected at 230 V 1/N/PE rsp. 400 V 3/N/PE |
Muffle Furnaces with Embedded Heating Elements in the Ceramic Muffle
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L 9/11/SKM |
We particularly recommend the muffle furnace L 9/11/SKM if your application involves aggressive substances. The furnace has a ceramic muffle with embedded heating from four sides. The muffle furnace thus combines a very good temperature uniformity with excellent protection of the heating elements from aggressive atmospheres. Another aspect is the smooth, nearly particle free muffle (furnace door made of fiber insulation), an important quality feature for some ashing processes.
- Tmax 1100 °C
- Muffle heated from four sides
- Furnace chamber with embedded ceramic muffle, high resistance to aggressive gasses and vapours
- Housing made of sheets of textured stainless steel
- Optional flap door (L) which can be used as work platform or lift door (LT) with hot surface facing away from the operator
- Adjustable working air inlet in the door
- Exhaust air outlet in rear wall of furnace
- 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
- 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
- Manual or automation gas supply system
- Process control and documentation via VCD software package for monitoring, documentation and control
Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions in mm | Connected | Electrical | Weight | Minutes | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | w | d | h | in l | W | D | H | load kW | connection* | in kg | to Tmax2 | |
L 9/11/SKM | 1100 | 230 | 240 | 170 | 9 | 490 | 505 | 580 | 3.0 | 1-phase | 50 | 90 |
LT 9/11/SKM | 1100 | 230 | 240 | 170 | 9 | 490 | 505 | 580+3201 | 3.0 | 1-phase | 50 | 90 |
1Including opened lift door *Please see page 60 for more information about supply voltage 2If connected at 230 V 1/N/PE rsp. 400 V 3/N/PE |
Weighing Furnace incl. Scale and Software for Determination of Combustion Loss
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Weighing furnace L 9/11/SW |
This weighing furnace with integrated precision scale and software, was designed especially for combustion loss determination in the laboratory. The determination of combustion loss is necessary, for instance, when analyzing sludges and household garbage, and is also used in a variety of technical processes for the evaluation of results. The difference between the initial total mass and the combustion residue is the combustion loss. During the process, the software included records both the temperature and the weight loss.
- Tmax 1100 °C or 1200 °C
- Heating from two sides
- 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
- Optional flap door (L) which can be used as work platform or lift door (LT) with hot surface facing away from the operator
- Adjustable working air inlet in the door
- Exhaust air outlet in rear wall of furnace
- Solid state relays provide for lownoise operation
- Delivery includes base, ceramic plunger with base plate in the furnace lining, precision scale and software package
- 4 scales available for different maximum weights and scaling ranges
- Process control and documentation for temperature and combustion loss via VCD software package for monitoring, documentation and control
- Defined application within the constraints of the operating instructions
Additional equipment
- Chimney, chimney with fan or catalytic converter
- 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
Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions in mm | Connected | Electrical | Weight | Minutes | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
flap door | °C | w | d | h | in l | W | D | H | load kW | connection* | in kg | to Tmax2 |
L 9/11/SW | 1100 | 230 | 240 | 170 | 9 | 415 | 455 | 740 | 3.0 | 1-phase | 50 | 75 |
L 9/12/SW | 1200 | 230 | 240 | 170 | 9 | 415 | 455 | 740 | 3.0 | 1-phase | 50 | 90 |
Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions in mm | Connected | Electrical | Weight | Minutes | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Lift door | °C | w | d | h | in l | W | D | H1 | load kW | connection* | in kg | to Tmax2 |
LT 9/11/SW | 1100 | 230 | 240 | 170 | 9 | 415 | 455 | 740+240 | 3.0 | 1-phase | 50 | 75 |
LT 9/12/SW | 1200 | 230 | 240 | 170 | 9 | 415 | 455 | 740+240 | 3.0 | 1-phase | 50 | 90 |
1Including opened lift door *Please see page 60 for more information about supply voltage 2If connected at 230 V 1/N/PE rsp. 400 V 3/N/PE |
Scale | Readability | Weight range | Weight of plunger | Calibration value | Minimum load |
---|---|---|---|---|---|
type | in g | in g | in g | in g | in g |
EW-2200 | 0.01 | 2200 incl. plunger | 850 | 0.1 | 0.5 |
EW-4200 | 0.01 | 4200 incl. plunger | 850 | 0.1 | 0.5 |
EW-6200 | 0.01 | 6200 incl. plunger | 850 | - | 1.0 |
EW-12000 | 0.10 | 12000 incl. plunger | 850 | 1.0 | 5.0 |
Exhaust Systems/Accessories
* Note: If other controller types are used an adapter cable for connection to mains supply has to be ordered separately. The device will be activated by plugging in the socket.
For models | Ceramic ribbed plate | Ceramic collecting pan | Steel collecting pan (Material 1.4828) | |||
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Articel No. | Dimensions in mm | Articel No. | Dimensions in mm | Articel No. | Dimensions in mm | |
L 1, LE 1 | 691601835 | 110 x 90 x 12.7 | - | - | 691404623 | 85 x 100 x 20 |
LE 2 | 691601097 | 170 x 110 x 12.7 | 691601099 | 100 x 160 x 10 | 691402096 | 110 x 170 x 20 |
L 3, LT 3, LV 3, LVT 3 | 691600507 | 150 x 140 x 12.7 | 691600510 | 150 x 140 x 20 | 691400145 | 150 x 140 x 20 |
LE 6, L 5, LT 5, LV 5, LVT 5 | 691600508 | 190 x 170 x 12.7 | 691600511 | 190 x 170 x 20 | 691400146 | 190 x 170 x 20 |
L 9, LT 9, LV 9, LVT 9, N 7 | 691600509 | 240 x 220 x 12.7 | 691600512 | 240 x 220 x 20 | 691400147 | 240 x 220 x 20 |
LE 14 | 691601098 | 210 x 290 x 12.7 | - | - | 691402097 | 210 x 290 x 20 |
L 15, LT 15, LV 15, LVT 15, N 11 | 691600506 | 340 x 220 x 12.7 | - | - | 691400149 | 230 x 330 x 20 |
L 24, LT 24 | 691600874 | 340 x 270 x 12.7 | - | - | 691400626 | 270 x 340 x 20 |
L 40, LT 40 | 691600875 | 490 x 310 x 12.7 | - | - | 691400627 | 310 x 490 x 20 |