Muffle Furnace MF-J21
MF-J21 muffle furnace epitomizes cutting-edge microprocessor-controlled technology, tailored for precise ashing applications in food, plastic, and organic materials. Its unique design ensures optimal heat insulation properties, providing unparalleled performance. Equipped with MoSi₂ heating elements vertically aligned alongside the sidewalls and S and B type thermocouples, it offers precise temperature control and monitoring capabilities. The furnace’s dual-sheet housing effectively maintains low outer surface temperatures, allowing for safe operation at continuous working temperatures of up to 1700 °C. Featuring a user-friendly menu displayed on a 4-line screen, operation is intuitive, with additional current limit control mechanisms ensuring utmost safety. Designed to minimize laboratory space requirements, it includes essential features such as an instantaneous energy consumption indicator, total working hour counter, and control unit overheating sensor, making it indispensable for laboratory applications.
| 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 for precise temperature regulation
- LCD display showing current and target temperature
- Optimal insulation properties for energy efficiency
- Multiple heating programs: 2, 4, 8, and 16 steps available
- Fe-Cr-Al heating element embedded in brick walls for uniform heat distribution
- Accurate temperature measurement and control using K and S type thermocouples
- Second thermocouple for adjustable purposes
- Durable interior lining made of light insulating bricks
- Dual-shell housing design for reduced outer surface temperature
- Steel sheet housing material for durability
- Insulating fire brick used for inner and front face insulation
- Ceramic fiber board for door insulation
- Quartz tube protects heating element
- Audio warnings for step changes and program completion
- Automatic power cut-off to heating elements and alert for overheated control unit
- Instantaneous energy consumption indicator
- Calculator for determining average working temperature
- Descriptive error indicator for troubleshooting
- User-friendly menu for easy operation
| 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 feature ensures safety by preventing excessive temperatures
- Lift-up Door design for convenient access to the interior
- Stainless Steel body for durability and easy maintenance
- Gas Supply Connection for compatibility with gas-powered equipment
- Open Door Sensor enhances safety by detecting when the door is open
- Second Thermocouple for additional temperature monitoring or adjustment purposes
- Observation Hole allows for visual inspection without opening the door
- PC Connection for data logging or remote control capabilities
- 110 V Power Supply for standard electrical compatibility
- Inner Module: Replacing the inner module rejuvenates your furnace, akin to acquiring a brand-new unit
- Door Insulation: Equipped with a sheet metal holder vessel for enhanced insulation
- Control Card: Easily replaceable, pre-programmed for user convenience
- Power Card: Simple to replace, ensuring uninterrupted operation
- Display: Features a 4 x 20 LCD display for clear and comprehensive information
- Cooling Fan: Includes an 80 x 80 x 20 / 220 V fan for efficient cooling
- Chimney Fan: Incorporates a 40 x 40 x 10 / 5V fan for effective ventilation
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