Muffle Furnace LMF-H22

Muffle Furnace LMF-H22


LMF-H22 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 1550 °C.





Max. Temperature1550 °C
Capacity6 L
Heating Program16 step
Thermal Rate3 °C - 20 °C
Heating elementSiC (Silicon Carbide)
Program Memories5
Thermocouple TypeS Type
Display4 x 20" LCD
Heating Element PlacementHorizontally aligned next to the side walls
Inner Insulation MaterialCeramic Fibre Board
Front Face Insulation MaterialInsulating Fire Brick
Door Insulation MaterialCeramic Fibre Board
Housing MaterialSteel Sheet
Housing CoatingEpoxy powder coating
ChimneyStandard without fan
Lockable Door HandleSidewards
Temperature Control Accuracy± 1 °C (can vary at low temperatures)
Measurement Accuracy± 1 °C
Inner Volume Temperature Homogenity± 10 °C
Auto Start at Certain DateYes
Show Remaining Waiting TimeYes
Skip the Waiting StepYes
Burst Heating ModeYes
Max. Current2 x 16 A
Power7.000 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 Weight56 kg
Gross weight75 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
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
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

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