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1700°C High Temperature Inert Gas Atmosphere Box Furnace,

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Item Number: KSL-1700X-GS

KSL1700X-H2 is CE certified box furnace designed for material synthesis under hydrogen or inert gas atmosphere up to 1700 ºC. The furnace consists of high quality alumina fiber bricks and Mo alloy heating elements with a heating chamber of 8"x 8"x12", as well as a vacuum-sealed steel case with water cooling jacket and automatic H2 burning system. It is an ideal tool for preparing new materials which requires reduced atmosphere, such as phosphorous and Ti alloy, and also heat treating materials under inert gas.

Furnace structure
  • Double layer stainless steel structure for maximum vacuum and safety, which can endure a positive pressure up to 1MP and vacuum up to - 0.1MP
  • Water cooling front door and air cooling shell
  • Built in digital pressure gauge, vacuum valves and two gas float meters
  • Built in vacuum pump and two channel gas flowmeters
Inside Chamber Size
  • Heated chamber: 200x 200x 300 mm (8x8x12 inch), 19 Liter
  • Energy saving 1800 grade fibrous alumina insulation
  • High purity Al2O3 coating


6 KW


AC 208 - 240V single phase (50 Hz)


30 Amp (50 Amp air breaker is required)

Continuous Working Temperature

1600° C

Maximum Working Temperature

1700°C (< 1 hr)

Heating Rate

5°C / min

Temperature Accuracy

+/- 1°C

Heating Elements

Mo Alloy coils embedded in alumina bricks

Temperature Control

  • 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.

Gas Flow Control and Vacuum Valve
  • Two large flow meters (N2: 0~1000SCCM, H2:0~400SCCM) are installed in the front panel of furnace
  • One for purging Inert gas prior to introducing H2 gas
  • One for controlling H2 gas flow
  • One KF 25 vacuum port installed on left side of furnace to remove air by vacuum pump before filling chamber with gas
  • One built in heavy duty pump (please click picture on left to see detailed specifications)
H2 Gas Burning Control System A controller will automatically incinerate flowing gas and detect burner temperature to insure H2 burner is in working condition. If H2 does not burn properly, the controller will shut down the H2 gas delivery valve immediately.
Water Cooling
  • A 16L/min recirculating water chiller is included for cooling furnace sealing flange

Net Weight


Shipping Weight

800 Lbs

Shipping Dimensions

48" x 48" x 53"


  • 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.
  • 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 - 1700°C High Temperature Inert Gas Atmosphere Box Furnace,

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