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1750°C Bench-Top Muffle Furnace (6"x6"x6", 3.6L) with Kathal Super-1800 Heating Elements - KSL-1700X -KA

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Item Number:KSL-1700X-KA


KSL-1700X -KA is a CE certified bench-top ultra-high temperature muffle furnace with a max. working temperature up to 1750°C. The furnace uses Kathal HT (1830 grade) MoSi2 heating elements and is controlled by a high precision SCR (Silicon Controlled Rectifier) digital controller with +/-1 °C accuracy and 30 segments that are programmable up to 1750°C. It is an ideal box furnace for sintering high purity ceramic materials at high temperatures without element contamination.


Furnace Structure
  • Double shell steel case with cooling fan to keep case surface cool
  • High purity alumina fiber insulation for max. energy saving
  • ZrO2 (YSZ) chamber coating for longer service life
  • Chamber: 160 x 150 x 150mm (6.3" x 5.9" x 5.9"), 3.6L
  • Overall: 515 x 500 x 730 mm (20.28" x 20" x 28.75")




AC 208V-240V single phase, 50/60 Hz (50A air breaker required)

Standard Working Temperature

1700° C or 3092° F (continuous)

Maximum Working Temperature

1750° C or 3180° F (< 3 hours)

Heating Rate

0~20°C / min (suggestion =< 10°C)

Temperature Accuracy

+/- 1° C

Temperature Uniformity

  • +/- 5°C over 120 mm (5") @ 1700°C
  • +/- 2°C over 80 mm (3") @ 1700°C

Heating Elements

Kanthal Super-1800 grade MoSi2 (4 pcs U shape)


B Type (Pt-Rh to Pt-Rh) with Alumina tube

Temperature Controller

  • PID automatic control via SCR (Silicon Controlled Rectifier) power control with phase angle fired, current limiting resistor.
  • 30 programmable segments for precise control of heating rate, cooling rate and dwell time.
  • Please click here to learn why SCR is more accurate than SSC (Solid state relay).
  • Built in PID Auto-Tune function with overheating & broken thermocouple broken protection.
  • Over temperature protection and alarm allows for operation without attendant(s).
  • +/- 1 ºC temperature accuracy.
  • RS485 Communications Port.
  • Optional:
    • The furnace may be operated by PC by installing a control module. Please order a MTS-02 control module at extra cost.
    • If you order the PC control module together with the furnace, we will install and test it before shipping. We recommend you to order a computer laptop from us to avoid software installation problems. For more information please click here.
Power Cable & Plug
  • 10 feet length 10-3 AWG heavy duty UL approven power cable is included
  • Extra length cable can be ordered by click picture below
  • Plug is not included. You can order from your local haedware store according to female plug in your lab, or order from link below (30A plug)

Net Weight

46 Kg (100 lbs)

Shipping Weight

145 lbs

Shipping Dimensions

45" x 45"x 45"


  • One year limited warranty with life time support. (Consumable parts such as sample plates and heating elements are not covered by the warranty, please order the replacement at related products below.)
  • ATTENTION: Any damages caused by the use of corrosive and acidic gases are not under the coverage of MTI One Year Limited Warranty.
  • Furnce: CE certified .
  • CSA certificate is available upon at extra cost
  • Components: Temperature controller and Transformer are UL or Met certified.

Application Notes

  • For preserving the longevity of the furnace components, we recommend the heating rate not to exceed 10 °C /min.
  • Cooling rate shall also not exceed 10 °C /min.
  • This furnace lacks vacuum sealing, toxic or explosive gases are not recommended for use with this furnace without necessary safety controls and supervision.
  • 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.
  • Please click here to learn how to DIY gas purging system.
  • Refractory block must be inserted before closing door.
Operation Instructions






KSL-1700X High Temperature Muffle Furnace

1 set


Kanthal Super 1800C Grade Heating Element, 4 pcs installed in furnace

4 pcs


B-Type Pt-Rh to Pt-Rh Thermocouples with Alumina Protection Tube

1 set


Al2O3 Sample Plate ($95.00/ea)

1 pcs


Al2O3 Furnace Door Block ($180.00/ea)

1 pcs


Crucible Clip ($25.00/ea)

1 pair


Operation Manual

1 set





Premier Solutions Pte Ltd / MTI Corporation - 1750°C Bench-Top Muffle Furnace (6"x6"x6", 3.6L) with Kathal Super-1800 Heating Elements - KSL-1700X -KA

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