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

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Item Number: VTF-1200X-TSSG
Transported by LTL Freight (Truck)

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: 0.5-50mm/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.

Operation Instruction


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1. Prices listed online are valid for the US market and who 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 costs.
3. The prices listed are subject to change without notice.