LMF-J21 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.

Max. Temperature 1700 °C
Capacity 6 L
Heating Program 8 step
Thermal Rate 3 °C - 20 °C
Heating element MoSi₂ (Molybdenum disilicide)
Program Memories 6
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 2 x 20 A
Power 8.900 W
Inner Chamber Dimension (W x H x D) 150 x 185 x 220 mm
Product Outer Dimension (W x H x D) 502 x 955 x 679 mm
Gross Dimension (W x H x D) 562 x 1015 x 839 mm
Net Weight 110 kg
Gross weight 133 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

1700°C Muffle Furnace

Muffle Furnace LMF-J30

Muffle Furnace LMF-J30

  • Max. Temperature
  • 1700 °C
  • Capacity
  • 9 L
  • Heating Program
  • 4 step
Muffle Furnace LMF-J11

Muffle Furnace LMF-J11

  • Max. Temperature
  • 1700 °C
  • Capacity
  • 3 L
  • Heating Program
  • 8 step
Muffle Furnace LMF-J61

Muffle Furnace LMF-J61

  • Max. Temperature
  • 1700 °C
  • Capacity
  • 60 L
  • Heating Program
  • 8 step
Muffle Furnace LMF-J10

Muffle Furnace LMF-J10

  • Max. Temperature
  • 1700 °C
  • Capacity
  • 3 L
  • Heating Program
  • 4 step

950°C Muffle Furnace

Muffle Furnace LMF-A10

Muffle Furnace LMF-A10

  • Max. Temperature
  • 950 °C
  • Capacity
  • 3 L
  • Heating Program
  • Direct
Muffle Furnace LMF-A11

Muffle Furnace LMF-A11

  • Max. Temperature
  • 950 °C
  • Capacity
  • 3 L
  • Heating Program
  • Two step

1100°C Muffle Furnace

Muffle Furnace LMF-B70

Muffle Furnace LMF-B70

  • Max. Temperature
  • 1100 °C
  • Capacity
  • 100 L
  • Heating Program
  • 2 step
Muffle Furnace LMF-B60

Muffle Furnace LMF-B60

  • Max. Temperature
  • 1100 °C
  • Capacity
  • 60 L
  • Heating Program
  • 2 step
Muffle Furnace LMF-B32

Muffle Furnace LMF-B32

  • Max. Temperature
  • 1100 °C
  • Capacity
  • 10 L
  • Heating Program
  • 8 step
Muffle Furnace LMF-B21

Muffle Furnace LMF-B21

  • Max. Temperature
  • 1100 °C
  • Capacity
  • 7 L
  • Heating Program
  • 4 step

1200°C Muffle Furnace

Muffle Furnace LMF-C73

Muffle Furnace LMF-C73

  • Max. Temperature
  • 1200 °C
  • Capacity
  • 100 L
  • Heating Program
  • 16 step
Muffle Furnace LMF-C11

Muffle Furnace LMF-C11

  • Max. Temperature
  • 1200 °C
  • Capacity
  • 5 L
  • Heating Program
  • 4 step
Muffle Furnace LMF-C43

Muffle Furnace LMF-C43

  • Max. Temperature
  • 1200 °C
  • Capacity
  • 20 L
  • Heating Program
  • 16 step
Muffle Furnace LMF-C22

Muffle Furnace LMF-C22

  • Max. Temperature
  • 1200 °C
  • Capacity
  • 7 L
  • Heating Program
  • 8 step

1250°C Muffle Furnace

1250°C Muffle Furnace LMF-D43

1250°C Muffle Furnace LMF-D43

  • Max. Temperature
  • 1250 °C
  • Capacity
  • 20 L
  • Heating Program
  • 16 step
1250°C Muffle Furnace LMF-D12

1250°C Muffle Furnace LMF-D12

  • Max. Temperature
  • 1250 °C
  • Capacity
  • 5 L
  • Heating Program
  • 8 step
1250°C Muffle Furnace LMF-D52

1250°C Muffle Furnace LMF-D52

  • Max. Temperature
  • 1250 °C
  • Capacity
  • 40 L
  • Heating Program
  • 8 step
1250°C Muffle Furnace LMF-D22

1250°C Muffle Furnace LMF-D22

  • Max. Temperature
  • 1250 °C
  • Capacity
  • 7 L
  • Heating Program
  • 8 step