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

In stock
Item Number: KSL1750XS
Transported by LTL Freight (Truck)


Upgrade to Eurotherm 3000 series
KSL-1700X-KS is a compact ultra high-temperature muffle furnace built by the components UL recognized and Kathal Super-1800 grade MoSi2 heating elements. It is an ideal furnace for sintering advanced 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 continuous 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 riched oxygen or inert gas atmospheres ( Not Airtight sealed)
  • Drop down door design for easy sample loading


  • Chamber: 120 x 120 x 120mm ( 4.7"x 4.7" x 4.7"), 1.7 Liters
  • 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

  • FA-YD518P-AG 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
  • MET Certified

Temperature controller (optional)

  • MTS02-Y Temperature control software kit (for YD518P series controllers) + 15" laptop package  is available at the options bar. Click for the detail information about the MTS02-Y software kit. 
  • You may upgrade the temperature controller to the Eurotherm 3504 Temperature Controller which is fully compatible with LabVIEW. This package includes a Eurotherm 3504 programmer, a communication cable (RS485 - USB) and a software CD. Click the pic below to view the full spec of Eurotherm 3504 temperature controller.           

Laptop, software & WiFi Control(Optional)

  • Brand new laptop with Microsoft Window 10 and Microsoft Office 2013 (30 days free trial) for immediate use.
  • Labview Based Temperature Control System (EQ-MTS01) enables user to edit temperature profile, manage heat-treatment recipe, record and plot data for MTI furnaces.
  • A wireless remote control provides up to 300 meters operating range.
  • Above features are available upon request at an extra cost (up to $1,000). Please contact us for more information.
Power Cable & Plug
    (click pic to order plugs)
  • 10 feet length 14-3 AWG heavy duty UL approved power cable is included
  • The plug is not included. You can order from your local hardware store according to female plug in your lab, or order from link left(30A plug

Net Weight

50 kg

Shipping Weight

220 lbs

Shipping Dimensions

48"L x 40"W x 43" H


  • One year limited warranty with lifetime 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.
  • CE Certified
  • The furnace is ready to pass TUV(UL61010) or CSA certification at extra cost. ( please click marks below to learn details )
Application Notes
  • For preserving the longevity of the furnace components, we recommend the heating rate not to exceed 10 °C /min.
  • The 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.
  • The refractory block must be inserted before closing door.

Operation Instructions


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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.