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Split Vertical Tube Furnace with 5'' Quartz Tube & SS Vacuum Flanges - OTF-1200X-VT-5

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OTF-1200X-VT-5 is CE certified split Vertical Tube Furnace with vacuum sealed 5'' diameter quartz tube, which can achieve faster sample heating and quenching under vacuum or flowing gas. Precision temperature controller can provide 30 heating and cooling segments with +/- 1 oC accuracy. It is an idea furnace for making quenching test and temperature measurement. The vertical tube furnace is installed in a heavy-duty mobile for easy moving  ( click to enlarge images).



 Furnace Structure  Double layer steel casing with air cooling. Built-in thermostat to enable cooling fans when case temperature > 55oC




 AC 208-240V Single Phase, 50/60 Hz

 Max. Temperature


 Continuous Temperature


 Max. Heating Rate

 <= 20oC /min

 Tube Size and Materials

 OD:130mm; ID: 120mm; Length: 1400mm (Quartz tube was included in the standard package)

 Heating Zone length

 880mm (single zone)

 Constant Heating Zone  440mm (+/-1oC)    480 mm (+/-2oC)     620 ( +/-5oC )

 Temperature controller

  • MET certified 30 programmable segments for precise control of heating rate, cooling rate and dwell time.
  • 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.


 Vacuum Sealing
  • Two stainless steel flanges with vacuum gauge and valves  included
  • A hook ring is welded inside of the top flange for hanging sample or crucible by wire
 Fitting Ports                     

 Vacuum Level

 0.1torr (depends on the vacuum pump)

 Heating Element

 Fe-Cr-Al Alloy doped by Mo



1100mm x 450mm x 670mm ( excluding mobile cart )

1200mm (H) x 600mm (W) x 600mm (W) installed with mobile cart

 Net Weight

 about 80Kg (excluding mobile cart)

 Shipping Package Size After   Crating

65x41x85 inches

 Shipping weight



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

Laptop, software & WiFi Control (Optional)

  • Brand new laptop with Microsoft Window 10 and Microsoft Office 2013 (30 days free trial) for immediate use.
  • Labview Based Temperature Control System (EQ-MTS01) enables user to edit temperature profile, manage heat-treatment recipe, record and plot data for MTI furnaces.
  • A wireless remote control provides up to 300 meters operating range.
  • Above features are available upon request at an extra cost (up to $1,000). Please contact us for more information.
  • Note: 
    The software is only compatible with MTI’s Yudian Temperature Controller     


  • CE Certified
  • UL / MET / CSA Certification is available upon request, additional charges will apply
  • Temperature controller is MET and CE Certified
  • Transformer is UL Certified

 Application Notes

Click here to learn the installation of a gas regulator

 Operation Instructions


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