Browse Categories

1500C Five Zone Split Tube Furnace with 84mm O.D Mullite Tube & Flanges - OTF-1500X-Z5

Please email for lead time
Item Number: OTF-1500X-Z5
Transported by LTL Freight (Truck)


OTF-1500X-Z5  is a  five-zone tube furnace with a mullite tube and SS vacuum flanges which can heat up to 1500°C. Each SiC heating zone is controlled by an independent temperature controller to create various thermal gradients for special processing in material research, such as gradient functional material, high-through phase transition and re-crystallization, etc.

Power Input 15KW
Working Voltage  AC208 - 240V,  Single phase 50/60Hz ( 70 A breaker required)
Max. Working Temperature 1500°C
Continuously Working Temperature 1400°C
Recommend Heating rate 5°C/min.
Processing Tube

Material:  Mullite Ceramic   Made in the USA
Size:   84 O.D x 73 I.D x 1700mm L 

Heat Zone Length
  • Total heating zone length:  1219 mm (48'')
  • Individual heating zones  12"+ 8"+ 8"+ 8" +12"
  • Constant Temperature Zone length:   700mm +/- 5ºC. ( If set 6 zones at the same temperature, without zone spacer. If you don't need the zone spacer, you shall inform us in advance)
  • Max. Temperature gradient:  100 °C/ cm  with standard zone spacer
  • Note: The thermal gradient can be adjusted by inserting thermal insulations between each heating zone.  Please contact our technical support to learn how
Temperature Controllers

  • Five heating zones channels with independent PID programmable temperature controllers.
  • Up to 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.
  • 5 pcs S-type thermocouples (one for each zone).
  • RS485 Communications Port to connect Laptop computer to show temperature profile.
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 the user to edit temperature profiles, manage heat-treatment recipe, record and plot data for MTI furnaces.
  • A wireless remote control provides up to 300 meters of operating range.
  • The 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
Vacuum Level
  • 10^-2 torr by the quality mechanical vacuum pump
  • 10^-5 torr by molecular pump
  • Please click the picture below to order a vacuum pump

Thermal Block Placement
  • Two thermal blacks are included. Please picture below to learn how to place them inside tube
  • You may order flange support to avoid tube rotating ( click Pic below right )
Heating Elements
& Thermal couples
Overall Dimensions 1500 mm L × 450 mmW × 680 mmH
Net Weight 300 Kg

Application Notes
  • The tube furnaces with mullite tube are designed for use under vacuum and low pressure < 0.02 Mpa
  • Never use graphite crucible in the alumina tube.
  • 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 limit definition for all mullite tube furnaces: * Vacuum pressures may only be safely used up to 1300°C
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.

  • CE Certified
  • NRTL (UL61010) or CSA certification is available pon request at extra cost. 

Related Products

Shopping Cart
Your cart is empty.
Please clear the browsing history before ordering the product. Otherwise, availability and price are not guaranteed.
Mailing Lists
MTI sponsorships:
MTI Sponsors Thermoelectrics Workshop

MTI-UCSD Battery Fabrication Lab

MTI Sponsors the Postdoctoral Awards

Upcoming Shows:

2023 MRS Spring Meeting April 11 - 14 San Francisco CA Booth 104

243rd ECS Meeting May 28 - June 2 Boston MA Booth 231

AABC Europe 2023 June 19 - 22 Mainz Germany Booth 102

Recent Attended Shows:
40th International Battery Seminar Exhibit March 20-23 2023 Orlando FL Booth 121 

TMS 2023 March 19 - 23 San Diego CA Booth 609 

Click here to see our past conferences

1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Prices vary from country to country.
2. We may add extra charges for paper orders and NET 30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.