Browse Categories

1200°C Hybrid Muffle (6" x 6" x 7") and Tube Furnace (2" or 4" OD) - KSL-1200X-J-H

Transported by LTL Freight (Truck)

Product Options

Tube Size:
KSL-1200X-J-H is a hybrid Muffle/Tube Furnace with 1200℃ Max working temperature.  It has a heating chamber of  6"x6"x7" as a box furnace and a 2” or 4" OD quartz tube with a flange can be inserted from the top as a vacuum tube furnace.   It is 2 in 1 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 surface temperature.
  • One 2" or 4" Dia. hole is opened from the top of the chamber with a thermal insulation block
  • When used as a tube furnace, a quartz tube with a flange will be inserted into the heating chamber.
Heating Chamber
  • Dimensions: 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 the air or inert gas.  ( 1000℃ max if used in vacuum )
  • Heating rate:  30°C/ min.
  • Temperature Stability: +/- 1.0 °C
  • K types thermocouple with Ceramic Sheath
 Processing Tubes
 (2" tube & CF flange)
 (3.1" tube & KF flange)
 Tube Installation

              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 is included but without a plug. The plug would have to be installed by the customer 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 a longer service life of the furnace, we recommend to not exceeding the heating rate of 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 releases vapor or smoke, please place the furnace into a fume hood. 

Related Products

Shopping Cart
Your cart is empty.
Please clear the browsing history before ordering the product. Otherwise, availability and price are not guaranteed.
Mailing Lists
MTI sponsorships:
MTI Sponsors Thermoelectrics Workshop

MTI-UCSD Battery Fabrication Lab

MTI Sponsors the Postdoctoral Awards

Upcoming Shows:

COMBI 2022 September 26 - 30 Golden CO

242nd ECS Meeting October 9 - 13 Atlanta GA Booth 200

2022 MRS Fall Meeting Nov 27 - Dec 2 Boston MA

Recent Attended Shows:
John Goodenough 100th Birthday Symposium

2022 MRS Spring Meeting May 8 - 13 Honolulu Hawaii Booth 209

Click here to see our past conferences


1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
2. We may add extra charges for paper order and net30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.