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1800°C Bench-Top Muffle Furnace (6x6x6", 3.6L) w/ Observation Window - KSL-1800X-A1-W

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KSL-1800X-A1-W is a bench-top ultra-high temperature muffle furnace with max. the working temperature of 1800 °C.  The 25 mm dia. observation window and 20 mm feeding port is built-in for recording heating processing by a high-speed camera.  The stirring mechanism is available upon request. SPECIFICATIONS:

Furnace Structure
  • ZrO2 ceramic liner can stand at temperature up to 2000°C
  • Kathal 1900 grade MoSi2 heating element with 1800oC max working temperature
  • Double shell steel case with a cooling fan to keep outside surface cool
  • 25mm dia. Saphire window is built for sample observation by optical scope or high-speed camera
  • 20 mm Dia. the feeding port is built on top of the furnace for adding doping materials or an optional stirring mechanism during melting
  • 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 
  • 6.0 KW (50A air breaker required)
  • 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 hours)
  • 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 cos
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. 
  • 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 ZrO2 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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