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Muffle Furnace LMF-J50

Muffle Furnace LMF-J50

LMF-J50 model of muffle furnace is a microprocessor controlled furnace that is uniquely designed with optimum heat insulation properties and is ideal for ashing of food, plastic and other organic materials. With heating elements MoSi₂ vertically aligned next to the side walls, S and B type thermocouple, dual sheet housing for low outer surface temperature, it is perfect for continuous and maximum working temperature of 1700 °C. Having user friendly menu in 4 line display for easy operation and current limit control for safe operation, it is designed for minimal space requirement in the laboratory and is equipped with instantaneous energy consumption indicator, total working hour counter, control unit overheating sensor etc.

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Max. Temperature 1700 °C
Capacity 30 L
Heating Program 4 step
Thermal Rate 3 °C - 20 °C
Heating element MoSi₂ (Molybdenum disilicide)
Program Memories 4
Thermocouple Type B Type
Display 4 x 20" LCD
Heating Element Placement Vertically 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 3 x 39 A
Power 14.300 W
Inner Chamber Dimension (W x H x D) 250 x 310 x 390 mm
Product Outer Dimension (W x H x D) 602 x 1080 x 999 mm
Gross Dimension (W x H x D) 662 x 1140 x 1159 mm
Net Weight 185 kg
Gross weight 219 kg
  • PID controller LCD display that shows current and target temperature
  • Optimum insulation properties
  • 4, 8, 16 step heating program available
  • MoSi_2 heating elements vertically aligned next to the side walls
  • Accurate temperature measurement and control using S and B type thermocouple
  • Unique electronic design and software
  • 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
  • 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-J10 1700 °C 3 L 4 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 4 B Type 4 x 20" LCD Vertically 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 12 A 5.200 W 115 x 150 x 175 mm 467 x 920 x 634 mm 527 x 980 x 794 mm 96 kg 116 kg
LMF-J11 1700 °C 3 L 8 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 6 B Type 4 x 20" LCD Vertically 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 12 A 5.200 W 115 x 150 x 175 mm 467 x 920 x 634 mm 527 x 980 x 794 mm 96 kg 116 kg
LMF-J12 1700 °C 3 L 16 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 5 B Type 4 x 20" LCD Vertically 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 12 A 5.200 W 115 x 150 x 175 mm 467 x 920 x 634 mm 527 x 980 x 794 mm 96 kg 116 kg
LMF-J20 1700 °C 6 L 4 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 4 B Type 4 x 20" LCD Vertically 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 20 A 8.900 W 150 x 185 x 220 mm 502 x 955 x 679 mm 562 x 1015 x 839 mm 110 kg 133 kg
LMF-J21 1700 °C 6 L 8 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 6 B Type 4 x 20" LCD Vertically 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 20 A 8.900 W 150 x 185 x 220 mm 502 x 955 x 679 mm 562 x 1015 x 839 mm 110 kg 133 kg
LMF-J22 1700 °C 6 L 16 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 5 B Type 4 x 20" LCD Vertically 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 20 A 8.900 W 150 x 185 x 220 mm 502 x 955 x 679 mm 562 x 1015 x 839 mm 110 kg 133 kg
LMF-J30 1700 °C 9 L 4 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 4 B Type 4 x 20" LCD Vertically 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 23 A 10.000 W 170 x 205 x 260 mm 522 x 975 x 869 mm 582 x 1035 x 1029 mm 136 kg 162 kg
LMF-J31 1700 °C 9 L 8 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 6 B Type 4 x 20" LCD Vertically 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 23 A 10.000 W 170 x 205 x 260 mm 522 x 975 x 869 mm 582 x 1035 x 1029 mm 136 kg 162 kg
LMF-J32 1700 °C 9 L 16 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 5 B Type 4 x 20" LCD Vertically 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 23 A 10.000 W 170 x 205 x 260 mm 522 x 975 x 869 mm 582 x 1035 x 1029 mm 136 kg 162 kg
LMF-J40 1700 °C 16 L 4 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 4 B Type 4 x 20" LCD Vertically 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 26 A 9.200 W 200 x 255 x 315 mm 522 x 1025 x 924 mm 612 x 1085 x 1084 mm 165 kg 195 kg
LMF-J41 1700 °C 16 L 8 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 6 B Type 4 x 20" LCD Vertically 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 26 A 9.200 W 200 x 255 x 315 mm 522 x 1025 x 924 mm 612 x 1085 x 1084 mm 165 kg 195 kg
LMF-J42 1700 °C 16 L 16 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 5 B Type 4 x 20" LCD Vertically 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 26 A 9.200 W 200 x 255 x 315 mm 522 x 1025 x 924 mm 612 x 1085 x 1084 mm 165 kg 195 kg
LMF-J50 1700 °C 30 L 4 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 4 B Type 4 x 20" LCD Vertically 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 39 A 14.300 W 250 x 310 x 390 mm 602 x 1080 x 999 mm 662 x 1140 x 1159 mm 185 kg 219 kg
LMF-J51 1700 °C 30 L 8 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 6 B Type 4 x 20" LCD Vertically 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 39 A 14.300 W 250 x 310 x 390 mm 602 x 1080 x 999 mm 662 x 1140 x 1159 mm 185 kg 219 kg
LMF-J52 1700 °C 30 L 16 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 5 B Type 4 x 20" LCD Vertically 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 39 A 14.300 W 250 x 310 x 390 mm 602 x 1080 x 999 mm 662 x 1140 x 1159 mm 185 kg 219 kg
LMF-J60 1700 °C 60 L 4 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 4 B Type 4 x 20" LCD Vertically 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 54 A 19.500 W 320 x 420 x 450 mm 672 x 1190 x 1059 mm 732 x 1250 x 1219 mm 195 kg 234 kg
LMF-J61 1700 °C 60 L 8 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 6 B Type 4 x 20" LCD Vertically 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 54 A 19.500 W 320 x 420 x 450 mm 672 x 1190 x 1059 mm 732 x 1250 x 1219 mm 195 kg 234 kg
LMF-J62 1700 °C 60 L 16 step 3 °C - 20 °C MoSi₂ (Molybdenum disilicide) 5 B Type 4 x 20" LCD Vertically 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 54 A 19.500 W 320 x 420 x 450 mm 672 x 1190 x 1059 mm 732 x 1250 x 1219 mm 195 kg 234 kg

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