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1200°C Hybrid Furnace of Box (6"x6"x7") and Tube(2“ OD) - KSL-1200X-J-H

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KSL-1200X-J-H is a hybrid furnace of Box/tube with 1200oC Max working temperature.  It has the heating chamber of  6"x6"x7" as a box furnace and optional  2” or 4" OD quartz with flange which can be inserted from the top as a vacuum tube furnace.   It is 2 in 1  of a cost-effective solution for material processing.



  • High purity alumina fiber insulation surrounding the chamber provides maximum energy efficiency. 
  • Heavy-duty double-layer structure with a cooling fan to keep furnace exteriors safe to touch. 
  • Doble layer steel case with forced-air cooling to ensure lower safer face temperature.
  • One hole ( 2“  Dia. ) is opened from the top of the chamber with a thermal insulation block
  • When used as a tube furnace, a quartz tube with flange will be inserted into the heating chamber.
Heating Chamber of Box
  • 150mm(D) x 155mm(W) x 180mm(H),   ( 6"x6"x7")
  • Capacity: 4.2 Liter or 0.44 cubic ft
  • Working Temperature:   100-1200 °C continuously in air or inert gas .  ( 1000oC max if  vacuum )
  • Heating rate:  30°C/ min.
  • Temperature Stability: +/- 1.0 ° C
  • K types with Ceramic Sheath
 Processing Tubes
(2" tube & CF flange)
  Pic. 1       Pic. 2       Pic. 3Pic. 4Pic. 5
Temperature Controller
  • The digital temperature controller is included.
  • Proportional–integral–derivative control (PID control) and auto-tune function
  • 30 segments programmed with ramping, cooling, and dwelling steps
  • Built-in over-temperature alarm and thermocouple failure alarm
  • +/- 1 ºC temperature control accuracy
  • Default DB9 PC communication port
Temperature controller (optional)
  • Voltage:  208 -240V Single Phase 50/60 Hz
  • 2.5KW   ( not suitable for running at 110V )
  • Note: Power cable included but without a plug. Please install a plug by your own or click the link below the picture to choose a plug according to your country or your lab requirement
Net Weight 62 lbs
Shipping Weight 115 lbs
Shipping Dimension 40"x30"x36"
Overall Dimensions      360mm(L) x 300mm(W) x 510mm(H)  
  • One year limited warranty with lifetime support.  
  • ATTENTION: Any damages caused by the use of corrosive and acidic gasses are not under the coverage of MTI One Year Limited Warranty.
  • CE Certified
  • NRTL (UL61010) or CSA certification is available upon request at extra cost.
Operation Video                        
Application Notes  
  • For the longer service life of the furnace, we recommend the heating rate not to exceed 10 °C /min.
  • The cooling rate should not exceed 10 °C /min either.
  • Small cracks may appear on the surface of the refractory ceramics over extended use. This is a normal occurrence and the cracks may be repaired with the alumina coating 
  • The heating module is easy to replace. Click pic left to order spare the Heating module for replacement
  • If firing material release vapor or smoking, please put the furnace into a fume hood as left 2 pictures. 

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