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8 Zone Split Tube Furnace For Thermal Gradient Processing upto 1500C - OTF-1500X-Z8

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OTF-1500X-Z8  is an eight-zone tube furnace with a mullite tube and conventional flange working up to 1500°C.. Each SiC heating element is controlled by an independent temperature controller to create the various thermal gradient for special processing in material research, such as gradient functional material, high-through phase transition and re-crystallization, etc.



Power Input 9KW
Working Voltage  AC208 - 240V,  Single phase 50/60Hz ( 50 A breaker required)
Max. Working Temperature 1500°C
 Working Temperature 1400°C (Continuously)
Recommend Heating rate 5°C/min.
Processing Tube

Material:  Mullite Ceramic   Made in the USA
Size:   84 O.D x 73 I.D x 1219mm L 

Heat Zone Length
  • Eight heating zones:  50 mm / each  (Included 20 mm spacing)
  • Total heating zone length:  400 mm  
  • Constant Temperature Zone length:   300mm  (If set 8 zone at same temperature) +/- 2ºC.
  • Max. Tem[erature gradient:  100 °C/ cm  
  • Note:  Thermal gradient can be adjusted by inserting thermal insulation spacing element between each heat.  Please contact our technical support to learn how
Overall Dimensions 860 mm L × 380 mmW × 680 mmH
Temperature Controllers
  • 8 channels touch screen temperature controller for each heating element independently.
  • PID automatic control with 30 programmable segments for precise control of heating rate, cooling rate and dwell time in each channel
  • Over-temperature protection and alarm allow for operation without attendant(s).
  • +/- 1 ºC temperature accuracy.
  • 8 pcs S-type thermocouples (one for each zone).
  • RS485 Communications Port to connect Laptop computer to show temperature profile.
Vacuum Level
  • 10E-2 torr by quality mechanical vacuum pump
  • 10-5 torr by molecular pump
Thermal Block Placement
  • Two thermal blacks are included. Please picture below to learn how to place them inside the tube
  • You may order flange support to avoid tube rotating ( click Pic below right )
Heating Elements &  T/C
Net Weight 110 Kg
Application Notes
  • The tube furnaces with mullite tubes are designed for use under vacuum and low pressure < 0.02 Mpa
  • Never use graphite crucible in alumina tube.
  • AttentionA two-stage pressure regulator must be installed on the gas cylinder to limit the pressure to below 3 PSI for safe operation.  Please click here to learn the installation of a gas regulator. 
  • The flow rate for gases should be limited to < 200 SCCM ( or 200ml/min )
  •  Vacuum pressures may only be safely used up to 1300°C
Dimensions Furnace only: 35" × 23" × 30"
Operation Instructions
  • One-year limited warranty with lifetime support (consumable parts such as processing tubes, and O-rings are not covered by the warranty, please order replacements at related products below.).  
  • ATTENTION: Any damages caused by the use of corrosive and acidic gases are not under the coverage of MTI One Year Limited Warranty.
Laptop, software & WiFi Control (Optional)
  • Brand new laptop with Microsoft Windows 10 and Microsoft Office 2013 (30 days free trial) 
  • Labview Based Temperature Control System (EQ-MTS01) enables users to edit temperature profiles, manage heat-treatment recipes, record and plot data for MTI furnaces.
  • A wireless remote control provides up to 300 meters of operating range.
  • CE Certified
  • NRTL or CSA certification is available at extra cost. ( pls click mark below to learn details 

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