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Muffle Furnace LMF-F20

Muffle Furnace LMF-F20

LMF-F20 model of Muffle Furnace is a microprocessor controlled furnace having unique electronic design with user friendly operating menu in 4 line display for easy operation. It uses phase angle firing method for slowing down the inevitable aging of SiC heating elements, has its own unique software and is accurate in temperature controlling and measuring using S type thermocouple. Crafted for minimal space requirement in the laboratory, it is equipped with instantaneous energy consumption indicator, total working hour counter, control unit overheating sensor etc. and is ideal for maximum and continuous working temperature of 1400 °C.

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Max. Temperature 1400 °C
Capacity 6 L
Heating Program 4 step
Thermal Rate 3 °C - 20 °C
Heating element SiC (Silicon Carbide)
Program Memories 4
Thermocouple Type S Type
Display 4 x 20" LCD
Heating Element Placement Horizontally aligned next to the side walls
Inner Insulation Material Ceramic Fibre Board
Front Face Insulation Material Insulating Fire Brick
Door Insulation Material Ceramic Fibre Board
Housing Material Steel Sheet
Housing Coating Epoxy powder coating
Chimney Standard without fan
Lockable Door Handle Sidewards
Temperature Control Accuracy ± 1 °C (can vary at low temperatures)
Measurement Accuracy ± 1 °C
Inner Volume Temperature Homogenity ± 10 °C
Auto Start at Certain Date Yes
Show Remaining Waiting Time Yes
Skip the Waiting Step Yes
Burst Heating Mode Yes
Max. Current 2 x 16 A
Power 7.000 W
Inner Chamber Dimension (W x H x D) 180 x 160 x 260 mm
Product Outer Dimension (W x H x D) 545 x 636 x 684 mm
Gross Dimension (W x H x D) 605 x 696 x 844 mm
Net Weight 56 kg
Gross weight 75 kg
  • PID controller
  • LCD display that shows current and target temperature
  • Optimum insulation properties
  • 4, 8, 16 step heating programs available
  • SiC heating elements horizontally aligned next to the side walls
  • Accurate temperature measurement and control using S type of thermocouple
  • Durable inside lining made of high quality light insulating bricks and ceramic fibre board
  • Dual shell housing for low outer surface temperature
  • Current limit control for safe operation
  • High cold start heating rate
  • Uses phase angle firing method for slowing down the aging of SiC heating elements
  • Provision of sound warning as the step changes and at the end of the program
  • Equipped with step indicator
  • Instantaneous energy consumption indicator
  • Step indicator
  • Total working hour counter
  • Descriptive error indicator
  • Control unit over heating sensor
  • Open door sensor
  • Provision of automatic power cutoff to the heating element if the control unit/ control card is over heated
  • User friendly operating menu

Sr. No. Accessory
1 High Temperature Gloves
2 Tongs
3 Alumina Crucibles
4 Metal Crucibles
5 Alumina Combustion Boats
6 Ceramic pipes
7 Extra Thermocouples

Over Temperature Limiter
Lift-up Door
Stainless Steel body
Gas Supply Connection
Open Door Sensor
Second Thermocouple
Observation Hole
PC Connection
110 V Power Supply

Inner Module: Changing inner module renews your furnace close to a brand new furnace
Door Insulation: With sheet metal holder vessel
Control Card: Easy-to-replace, pre-programmed
Power Card: Easy-to-replace
Display: 4 x 20 LCD display
Cooling Fan: 80 x 80 x 20/ 220 V fan
Chimney Fan: 40 x 40 x 10/ 5V fan

Compare Models

Model Max. Temperature Capacity Heating Program Thermal Rate Heating element Program Memories Thermocouple Type Display Heating Element Placement Inner Insulation Material Front Face Insulation Material Door Insulation Material Housing Material Housing Coating Chimney Lockable Door Handle Temperature Control Accuracy Measurement Accuracy Inner Volume Temperature Homogenity Auto Start at Certain Date Show Remaining Waiting Time Skip the Waiting Step Burst Heating Mode Max. Current Power Inner Chamber Dimension (W x H x D) Product Outer Dimension (W x H x D) Gross Dimension (W x H x D) Net Weight Gross weight
LMF-F10 1400 °C 3 L 4 step 3 °C - 20 °C SiC (Silicon Carbide) 4 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 17A 3.750 W 140 x 130 x 165 mm 494 x 606 x 634 mm 554 x 666 x 794 mm 48 kg 64 kg
LMF-F11 1400 °C 3 L 8 step 3 °C - 20 °C SiC (Silicon Carbide) 6 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 17A 3.750 W 141 x 130 x 165 mm 495 x 606 x 634 mm 555 x 666 x 794 mm 48 kg 64 kg
LMF-F12 1400 °C 3 L 16 step 3 °C - 20 °C SiC (Silicon Carbide) 5 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 17A 3.750 W 142 x 130 x 165 mm 496 x 606 x 634 mm 556 x 666 x 794 mm 48 kg 64 kg
LMF-F20 1400 °C 6 L 4 step 3 °C - 20 °C SiC (Silicon Carbide) 4 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 2 x 16 A 7.000 W 180 x 160 x 260 mm 545 x 636 x 684 mm 605 x 696 x 844 mm 56 kg 75 kg
LMF-F21 1400 °C 6 L 8 step 3 °C - 20 °C SiC (Silicon Carbide) 6 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 2 x 16 A 7.000 W 180 x 160 x 260 mm 545 x 636 x 684 mm 605 x 696 x 844 mm 56 kg 75 kg
LMF-F22 1400 °C 6 L 16 step 3 °C - 20 °C SiC (Silicon Carbide) 5 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 2 x 16 A 7.000 W 180 x 160 x 260 mm 545 x 636 x 684 mm 605 x 696 x 844 mm 56 kg 75 kg
LMF-F30 1400 °C 9 L 4 step 3 °C - 20 °C SiC (Silicon Carbide) 4 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 2 x 19 A 8.200 W 200 x 180 x 300 mm 570 x 646 x 634 mm 630 x 706 x 894 mm 66 kg 87 kg
LMF-F31 1400 °C 9 L 8 step 3 °C - 20 °C SiC (Silicon Carbide) 6 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 2 x 19 A 8.200 W 200 x 180 x 300 mm 570 x 646 x 634 mm 630 x 706 x 894 mm 66 kg 87 kg
LMF-F32 1400 °C 9 L 16 step 3 °C - 20 °C SiC (Silicon Carbide) 5 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 2 x 19 A 8.200 W 200 x 180 x 300 mm 570 x 646 x 634 mm 630 x 706 x 894 mm 66 kg 87 kg
LMF-F40 1400 °C 16 L 4 step 3 °C - 20 °C SiC (Silicon Carbide) 4 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 3 x 13 A 6.800 W 250 x 200 x 320 mm 620 x 676 x 789 mm 670 x 726 x 864 mm 78 kg 103 kg
LMF-F41 1400 °C 16 L 8 step 3 °C - 20 °C SiC (Silicon Carbide) 6 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 3 x 13 A 6.800 W 250 x 200 x 320 mm 620 x 676 x 789 mm 670 x 726 x 864 mm 78 kg 103 kg
LMF-F42 1400 °C 16 L 16 step 3 °C - 20 °C SiC (Silicon Carbide) 5 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 3 x 13 A 6.800 W 250 x 200 x 320 mm 620 x 676 x 789 mm 670 x 726 x 864 mm 78 kg 103 kg
LMF-F50 1400 °C 30 L 4 step 3 °C - 20 °C SiC (Silicon Carbide) 4 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 3 x 20 A 10.500 W 300 x 250 x 395 mm 670 x 726 x 864 mm 730 x 786 x 1024 mm 87 kg 116 kg
LMF-F51 1400 °C 30 L 8 step 3 °C - 20 °C SiC (Silicon Carbide) 6 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 3 x 20 A 10.500 W 300 x 250 x 395 mm 670 x 726 x 864 mm 730 x 786 x 1024 mm 87 kg 116 kg
LMF-F52 1400 °C 30 L 16 step 3 °C - 20 °C SiC (Silicon Carbide) 5 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 3 x 20 A 10.500 W 300 x 250 x 395 mm 670 x 726 x 864 mm 730 x 786 x 1024 mm 87 kg 116 kg
LMF-F60 1400 °C 60 L 4 step 3 °C - 20 °C SiC (Silicon Carbide) 4 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 3 x 25 A 13.300 W 400 x 300 x 495 mm 770 x 776 x 964 mm 830 x 836 x 1124 mm 96 kg 132 kg
LMF-F61 1400 °C 60 L 8 step 3 °C - 20 °C SiC (Silicon Carbide) 6 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 3 x 25 A 13.300 W 400 x 300 x 495 mm 770 x 776 x 964 mm 830 x 836 x 1124 mm 96 kg 132 kg
LMF-F62 1400 °C 60 L 16 step 3 °C - 20 °C SiC (Silicon Carbide) 5 S Type 4 x 20" LCD Horizontally aligned next to the side walls Ceramic Fibre Board Insulating Fire Brick Ceramic Fibre Board Steel Sheet Epoxy powder coating Standard without fan Sidewards ± 1 °C (can vary at low temperatures) ± 1 °C ± 10 °C Yes Yes Yes Yes 3 x 25 A 13.300 W 400 x 300 x 495 mm 770 x 776 x 964 mm 830 x 836 x 1124 mm 96 kg 132 kg

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