1750°C Compact Muffle Furnace (4.7"x4.7"x4.7", 1.7L) with Kanthal Super-1800 Heating Element - KSL-1700X-KS

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Item Number:KSL-1700X-KS

KSL-1700X-KS is a CE certified compact ultra high temperature muffle furnace using Kathal Super-1800 grade MoSi2 heating elements. It is an ideal furnace for sintering advance ceramic materials such as ZrO2 dental ceramics which requires heat treatment up to 1750°C in long durations without contamination.


Furnace Structure

  • High purity alumina fiber chamber with ZrO2 coating to ensure continous temperature at 1700°C (up to 1750°C Max)
  • Double layer steel structure with air cooling fan to keep case temperature low
  • Gas inlet and venting port are installed for using at oxygen or inert gas atmospheres
  • Drop down door design for easy sample loading


  • Chamber: 120 x 120 x 120mm ( 4.7"x 4.7" x 4.7"), 1.7 L iters
  • Overall: 380 x 410 x 620 mm (15" x 16" x 24.5")


  • 2.5 KW (Max)
  • <1.5Kw if heating rate at 10°C/min


AC 208V-240V single phase, 50/60 Hz (20A air breaker required)

Standard Working Temperature

1720oC (continuous)

Maximum Working Temperature

1750°C(< 2 hours)

Heating Rate

0 ~20°C / min (suggestion =< 10°C)

Temperature Accuracy

+/- 1oC

Temperature Uniformity

+/- 2°C over 80 mm (3") @ 1700°C

Heating Elements

Kathal Super 1800 grade MoSi2 heating elements ( 4 pcs ) for long service life and without evaporation at high temperature


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 14-3 AWG heavy duty UL approven power cable is included
  • 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

50 kg

Shipping Weight

80 kg (180 lbs)

Shipping Dimensions

480x480x790 mm


  • 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





Premier Solutions Pte Ltd / MTI Corporation - 1750°C Compact Muffle Furnace (4.7"x4.7"x4.7", 1.7L) with Kanthal Super-1800 Heating Element - KSL-1700X-KS

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