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1800°C Bench-Top Muffle Furnace (6"x6"x6", 3.6L) with UL recognized Components & Kanthal Super-1900 Heating Elements - KSL-1800X-KA-UL

In stock
Item Number: KSL-1800X-KA-UL
Transported by LTL Freight (Truck)


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

Furnace Structure
  • Double shell steel case with 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

  • 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")
Power 4.8 KW
Voltage AC 208V-240V single phase, 50/60 Hz (50A air breaker required)
Standard Working Temperature 1750° C   (continuous)
Maximum Working Temperature 1800° C (< 3 hours)
Heating Rate 0~10°C / min (suggestion  =< 5°C)
Temperature Accuracy +/- 0.1° 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
Upgraded Temperature Controller (Optional)
  • Eurotherm 3500 Series Programmable Temperature Controller.
  • 10 program, 50 segments programmed with ramping, cooling and dwelling steps
  • Temperature Accuracy:  ±  0.1ºC
  • Using the PC software, recipes can be created to change the operating parameters of the controller by selecting a new recipe via the HMI. This is very helpful where multiple products that require different temperature profiles can be processed using the same controller.
  • Please contact us if you would like to upgrade the controller to the 3500 series version at an extra cost of $200.
Laptop & software (Optional)
  • Brand new laptop with Microsoft Window 10 and Microsoft Office 2013 (30 days free trial) for immediate use.
  • Labview Based Temperature Control System enables the user to edit temperature profile and manage heat-treatment recipe for MTI furnaces.
  • Note: Due to the complexity of the controller operation, we strongly suggest customers to purchase this PC control kit along with the furnace and our engineers will have the software & hardware pre-installed. Please note that this PC control kit is not for sale individually
Power Cable & Plug
  • 10 feet length 10-3 AWG heavy duty UL approved power cable is included
  • Extra length cable can be ordered by click picture below
  • The plug is not included. You can order from your local hardware store according to female plug in your lab, or order from link below (30A plug)
          (click here to order plugs from us)
Net Weight 146 Kg 
Shipping Weight  400 lbs
Shipping Dimensions 48" x 40"x 48"
  • 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.
  • CE Certified
  • All electric components ( >24V) are UL / MET / CSA 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

 P/N Descriptions  Quantity Picture
KSL-1700X  KSL-1800X-UL High Temperature Muffle Furnace  1 set
 KSL7-01 Kanthal Super-1900 Grade MoSi2, 4 pcst,   4 pcs
 KSL7-02 B-Type Pt-Rh to Pt-Rh Thermocouples with Alumina Protection Tube  1 set
 KSL7-03  Al2O3 Sample Plate ($95.00/ea)  1 pcs  
 KSL7-04  Al2O3 Furnace Door Block ($180.00/ea)  1 pcs  
 KSL7-06  Crucible Clip ($25.00/ea)  1 pair  
 KSL7-07 Operation Manual  1 set  

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1. Prices listed online are valid for US market and whom pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
2. We may add extra charges for paper order and net30 terms due to extra labor cost.
3. The prices listed are subject to change without notice.