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1200 ºC Max. Top Seeded Solution Growth (TSSG) Furnace - VTF-1200X-TSSG

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VTF-1200X-TSSG is a top seed solution growth (TSSG) furnace for growing various single crystals via flux solution. The furnace consists of high-quality alumina fiber brick with chamber of 9.5" Diameter x 8.6 " high, and can be used up to 1200º C. The Precision digital temperature controller with 30 segments programmable is built in the furnace with +/- 0.1ºC accuracy, as well as precision,  pulling and rotation mechanism with speed range from 0.1 - 50 mm/hour.


Furnace construction
  • Double shell steel casing with a cooling fan to keep a low surface temperature
  • High purity alumina fiber insulation and liner for max. energy saving
  • Inside Chamber Size of furnace
  • 9.5" Diameter x 8.6 " high (9 Liter) 
  • The furnace is slidable on the frame for easy sample loading and unloading

Working Temperature

  • Max. Working Temperature: 1250ºC (< 30 minute)
  • Standard  Working Temperature: 1150ºC (continuous)

Control Panel

  • PLC touch screen control panel for controlling temperature, pulling speed, rapid downward speed and rotation speed of pulling rod
  • Temp. Controller: 8 steps programmable and auto PID control with +/- 0.1ºC accuracy (Eurotherm 3000  inside)
  • Heating Rate 0~10ºC / min (suggestion at =< 5ºC)
  • Pulling Speed: 0.1-50mm/h adjustable
  • Downward speed: 50 mm / minute fixed
  • The rotation speed of Pulling rod: 0.1-23 RPM adjustable 

Pulling Range 

  • 250 mm Max. 


  • AC 220V  Single Phase
  • 4.0 KW

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-left
  • The plug is not included. Browse our catalog for compatible plugs or obtain one from a local hardware store. 

Furnace Dimension

Please click the picture to review


  • One-year limited warranty (Consumable parts such as processing tubes, o-rings, and heating elements are not covered by the warranty, please order the replacement in the related products below.)


  • CE Certified
  • NRTL(UL61010)  or CSA certification is available upon request at extra cost.

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