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1100C Compact Muffle Furnace (4

1100C Compact Muffle Furnace (4"x4"x4") w/ Programmable Temp. Controller - KSL-1100X-S-UL-LD

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KSL-1100X-S-UL-LD is a CE certified & NRTL Ready compact muffle furnace that offers 4"x4"x4" high purity fibrous alumina chamber, gas inlet and outlet ports and a 30-segment, programmable temperature controller, and the furnace is with UL / MET / CSA Certified electric components. It is the ideal muffle furnace for preparing small-sized samples using temperatures up to 1100oC in material research and dental labs with maximum energy saving (500 - 700W only). In addition, the compact furnace can be placed into a glove box to sinter or dry samples in a vacuumed or controlled atmosphere.
The promotion price is valid for online orders only and is subject to change without notice. 


Furnace Construction

  • High purity fibrous alumina insulation for maximum energy saving - 30% less power consumption than other brands.
  • Drop-down design of the door for easy and safe sample loading and retrieving (with automatic power-off if the door is opened).
  • (Optional) Two 8 mm diameter hose barb connectors (gas inlet and outlet) (see pic left) in the furnace back panelare available at extra cost ($99 for both connectors). Check the option box. Note: Self-Installation is required.

Optional Top Opening

  • Optional Top Opening port is available at extra cost, please contact MTI for more information.
 Pic.1     Pic.2


  • Chamber size:100x105x130 mm
  • Capacity: 65 cubic-inch or 1 liter 
  • Overall dimension: 230mm x 200mm x 360mm (LxDxH)
  • 230 x 440 x 360mm with door opened.

Sintered Mullite Plate

  • One sintered Mullite plate is included for placing the sample in the chamber.   (Pic.1)
  • Extra sintered Mullite plates and alumina crucibles can be ordered for stacking the samples.   (Pic.2)
  Pic.1        Pic.2


  • 110V version: 950 W (15A Fuse) ( power cord is included )
  • 220V version: 1.2KW(10A Fuse) (power cord is not included)

Operating Temperature

  • 200 °C - 1000°C max continuously
  • 1100°C max for an hour
  • Note: If you would like to use the furnace at 35 - 200 °C as a drying oven at extra cost, please let us know in advance to preset another set of PID parameters. 

Max. Heating Rate

  • 30 °C /min

Temperature Controller

  • PID automatic control and auto-tune function.
  • 30 programmable segments for precise control.
  • Built-in protection for the over-heating and broken thermocouple.  
  • Large digital control panel (48 x 48 mm) for easy operation.

Temperature Accuracy

+/- 1 °C from 200 °C to 1100 °C

Heating Elements

Fe-Cr-Al Alloy doped by Mo


K type

Net Weight

~ 8Kg

Shipping Dimensions

17"(L) x14"(W) x 18"(H) 

Shipping Weight

40 lbs


  • One-year limited warranty with lifetime support
  • Any damages caused by the use of corrosive and acidic gasses are not covered by the Warranty.
  • You may order a heating module below to replace it by yourselves


  • CE Certified
  • NRTL (UL61010) or CSA certification is available upon request at extra cost.

Application Notes

  • With the small footprint, low weight, and low power requirement, it can be easily accommodated in a glove box and heating under inert gas. Please click pic.1~4 to see the different applications of this muffle furnace. 
  • Please click to order Replacement Furnace Heating Chamber Module.
 Pic.1     Pic.2    Pic.3    Pic4                                           


  • Toxic or explosive gasses are not recommended for use with this furnace without necessary safety controls and supervision. Please put furnace into fume hood for better safety (Click Pic.1)
  • 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 alumina coating.
  • You shall place the sample into a crucible as below.  Never place the sample on the chamber bottom directly.
Operation Instructions

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