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1100C Compact Muffle Furnace (4"x4"x5") w/ Programmable Temp. Controller - KSL-1100X-S-UL-LD

Sale Price: Starting at USD$1,285.00
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KSL-1100X-S-UL-LD is a  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,  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 energy saving - 30% less power consumption than other brands.
  • Drop-down design of the door for easy and safe sample loading 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 panel are available at extra cost ($99 for both connectors). Check the option box. Note: Self-Installation is required.

Optional Top Opening

  • If the working temperature is> 800oC, suggest adding a protection cover as pic. 1, at a $100 cost
  • Optional Top Opening port is available at extra cost, please contact MTI for more information.
              Pic.1     Pic.2       Pic.     Pic 4 


  • 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

                 Pic.1        Pic.2


  • 110V version: 950 W (15A Fuse) ( power cord is included. Plug: NEMA 5-15P)
  • 220V version: 1.2KW(10A Fuse) (power cord is included without a power plug.)

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 present 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. 
  • A protective cover and a fan will be installed on the furnace with NRTL Certification, please click the picture on the left for more detail.

Application Notes

  • With its small footprint, low weight, and low power requirement, it can be easily accommodated in a glove box and heated under inert gas. Please click pic.1~4 to see the different applications of this muffle furnace. 
  • Please click to order the 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 Video


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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. Prices vary from country to country.
2. We may add extra charges for paper orders and NET 30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.