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1200 ºC Max 3-Zone Top Seeded Solution Growth (TSSG) Furnace - VTF-1200X-III-TSSG

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VTF-1200X-III-TSSG is a 3-zone top seed solution growth (TSSG) furnace for growing various crystals via flux solution. The furnace consists of  three heating zone with chamber of 5" Diameter x 24" high up to 1200º C. The Precision digital temperature controller with 28 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.

  • Three heating zone: 150mm+300mm+150mm with independent temperature control, which is easy to create the thermal gradient.
  • Max. Working Temperature: 1200ºC (< 60 minute)
  • Standard  Working Temperature: 1100ºC (continuous)
  • Power:  208V- 240V AC, 50/50Hz, Single phase
  • 5000W Max.

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 inside)
  • Heating Rate:       0~10ºC / min (suggestion at =< 5ºC)
  • Pulling Speed:        0.8-50mm/h adjustable
  • Downward speed:   40 mm/minute fixed
  • The rotation speed of Pulling rod: 0.1-23 RPM adjustable 

Pulling Range 

  • 300 mm Max. 

Heating Chamber

  • 135 m Dia  Splittable with max. 80 mm crucible without sealed tube
  • 600 mm in Height
  • Kathal resistant heating coil
  • 5 pcs K type thermal couple
  •  Optional
    • Vacuum-sealed quartz tube up to 5" OD is available at the extra cost 
    • The bottom lifting mechanism  is available upon request at the extra cost 

Temperature Controller

  • Built-in five Eurotherm Temperature Controllers with +/- 0.1ºC accuracy
  • 24 segment programmable
  • PC control software is included

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 or CSA certification is available upon request at extra cost.

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