OTF-1500X-8Z 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 various thermal gradient for special processing in material research, such as gradient functional material, high-through phase transition re-crystallization, etc.
SPECIFICATIONS:
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)
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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
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Heat Zone Length |
- Eight heating zones: 50 mm / each (Including 20 mm spacing)
- Total heating zone length: 400 mm
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Constant Temperature Zone length: 300mm (If set 8 zones at the same temperature) +/- 2ºC.
- Max. Temperature gradient: 100°C/inch
- Note: Thermal gradient can be adjusted by inserting thermal insulation spacing element between each heat. Please contact our technical support to learn how
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Temperature Controllers
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- 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.
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Vacuum Level |
- 10E-2 torr by quality mechanical vacuum pump
- 10-5 torr by molecular pump
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Thermal Block Placement |
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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 )
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Heating Elements & T/C
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- 16 pcs 1500ºC grade Silicon carbide rod (14mm Dia. x 150mm heating x 413mm length)
- The heating element is consumable, Please click the picture below to order a spare and replacement.
- 8 pcs S type thermal couple built-in
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Application Notes
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- 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.
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Attention: A 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
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Laptop, software & WiFi Control (Optional)

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- Brand new laptop with Microsoft Windows 10 and Microsoft Office 2013 (30 days free trial)
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Labview Based Temperature Control System (MTS01) enables users to edit temperature profiles, manage heat-treatment recipes, and record and plot data for MTI furnaces.
- A wireless remote control provides up to 300 meters of operating range.
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Compliance |
- CE Certified
- NRTL or CSA certification is available at extra cost. pls click the mark below to learn details
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