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Muffle Furnace LMF-I31

Muffle Furnace LMF-I31

LMF-I31 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 1600 °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.

Specifications Features Optional Accessories Optional Features Spare Parts Get Quote View Catalog


Max. Temperature 1600 °C
Capacity 6 L
Heating Program 8 step
Thermal Rate 3 °C - 20 °C
Heating element MoSi₂ (Molybdenum disilicide)
Program Memories 6
Thermocouple Type S 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 8.200 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 634 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

Optional Accessories

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

Optional Features

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

Spare Parts

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

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