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1800°C Bench-Top Muffle Furnace (6x6x6", 3.6L) w/ Kanthal Super-1900 Heating Elements - KSL-1800X-KA

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KSL-1800X-KA-UL is a bench-top ultra-high temperature muffle furnace built by  Kanthal HT (1900 grade) MoSi2 heating elements with Max working temperature of 1800 °C.  It is ready to pass all safety tests worldwide.



Furnace Structure

  • Double shell steel case with a cooling fan to keep outside surface cool
  • High purity alumina fiber insulation for max. energy saving
  • ZrO2 ceramic liner can stand at working temperature up to 2200°C
  • All electric components are UL or Met recognized and ready to pass any safety test worldwide

  • Heating 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)
  • 4.8 KW
  • 10 feet long 10-3 AWG heavy duty UL approved power cable is included
  • Extra length cable can be ordered by click the picture below
  • The plug is not included. You can order from your local hardware store according to the female plug in your lab, or order from the link below (30A plug)
  •           (click here to order plugs from us)
Working Temperature
  • 1800° C (< 1 hour)
  • 1750° C   (continuous)
Heating Rate
  • 0~10°C / min (suggestion  =< 5°C)
Temperature Uniformity
  • +/- 5°C over 120 mm (5") @ 1700°C
  • +/- 2°C over 80 mm (3") @ 1700°C
Heating Elements Kanthal Super-1900 Grade MoSi2, 4 pcs
Thermocouple B-Type  (Pt-Rh to Pt-Rh) with Alumina tube
Temperature controller
  • Eurotherm 3000 Series Programmable Temperature Controller.
  • 1 program, 24 segments programmed with ramping, cooling, and dwelling steps
  • Temperature Accuracy:  ±  0.1ºC
  • RS485 port is built-in for PC operation
  • Operation software is included for PC operation.
  • Brand new laptop with Microsoft Windows 10 with pre-installed software is available upon request.
Net Weight 146 Kg 
Shipping Weight  400 lbs
Shipping Dimensions 48" x 40"x 48"
  • 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
  • NRTL or CSA certification is available at the extra cost
Application Notes
  • For longer service life, 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 a gas purging system.
  • The refractory block must be inserted before closing the door.
Operation Instructions         

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