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1000°C - 1700°C Max. Large TGA with Vacuum and Atmosphere Control - OTF-X-TGA-L

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OTF-X-TGA-L is a large TGA  ( Thermal Gravity Analysis ) furnace from 1000 °C to 1700 °C up to  150 ml crucible.  It can be operated under both vacuum and controlled gas atmosphere, even under hydrogen or oxygen gas to explore the phase transition during material processing. The TGA furnace also may connect a gas analysis device to study gas composition change during heating and weight change.


Vacuum Chamber
  • The vacuum chamber is made of stainless steel with a water cooling jacket.
  • Inner chamber size:  500 mm Dia. x 700 mm Height
  • Hinged type of front door with glass window.
  • Vacuum level:  10 -5 torr via turbopump ( not included )

Heating Furnace

  • The heating module with MoSi2 heating elements is installed inside the vacuum chamber.
  • Internal heating chamber:        90 mm diameter x 250 mm length
  • Uniform Temperature Zone:     60 mm Dia.  x 80 mm H
  • Working Temperature:             1000 ℃ - 1700 ℃
  • Max. heating rate:                    30ºC /minute   ( after 300oC preheated )
Force Sensor
  • High precision force sensor with 0.05% accuracy has installed in the bottom chamber of the furnace.
  • Load sample up to  100 ml
  • Force Sensor output data will connect to PC to show weight change curve with temperature
  • One 60D x 60H (mm) alumina crucible is included.  Please click Pic. 1 to order more
  • You may click Pic. 2 to choose ZrO2, BN, or Y2O3 crucible based on your application
  • The customized crucible is available upon request
  • Pic. 1     Pic. 2

Temperature Controllers

  • Programmable temperature controller ( Europe there 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 allow for operation without attendant(s).
  • +/- 0.1 ºC temperature accuracy.
  • One K-type thermocouple.
  • RS485 Communications Port.
  • PC control software and interface module are included             
Control Panel
  • One brand new laptop computer is included for controlling temperature and displaying weight change and gas flow.


  • A KF40  vacuum port is built-in to connect a vacuum pump
  • The achievable vacuum level depends on the selected vacuum pump.  
    • 10-2 torr by the mechanical pump
    • 10-5 torr by turbopump
  • Click the Picture below to order a vacuum pump separately
  • Vacuum pump and high vacuum station

Gas Delivery 

  • 1/4" gas inlet and out are built-in for gas delivery
  • One 1000 SSC MFC is included and programmable by PC
  • You may choose a multi-channel gas delivering system to handle multi or mixing gas (Pic. 1)
  • You may connect the TGA furnace with MTI multi-channel gas delivery system for mixing gas operation, or oxygen or a gas analyzer to the gas outlet port (Pic. 2)
  • 116 L/minute recirculating water chiller may need to cool the vacuum chamber. ( Pic. 3)
            Pic. 1  Pic. 2          Pic. 3


  • 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.)


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


  • 800 x 800 x 1700 mm (L x W x H)

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