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1200C Max.Five Zones (800 mmL) Split Tube Furnace with Separated Temperature Controller - OTF-1200X-V

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OTF-1200X-V is a  Five-zone split tube furnace with separate temperature control unit and max working temperature of 1100oC. This five zone furnace can create step thermal gradient or one constant temperature zone up to 25" length by adjusting five zone temperature. The furnace can accept various processing tube from 1" to 4" with min. 1400mm length. Five 30 segments temperature controllers are built in a separate unit to allow use remote control furnace from a distance.  It is an excellent furnace to handle dangerous gas
Furnace structure
  • Double layer steel case
  • Energy saving high purity fibrous alumina insulation.
  • Heating Element: 1300oC  grade Fe-Cr-Al Alloy doped by Mo
  • 32"length x 5.5"Dia heating chamber with built in 5 thermal couples. 
  • Electric cable between the furnace and control is 5 meters long
Power & Voltage  
  • AC 208-240V Single Phase, 50/60 Hz 
  • 8 KW Max.  (50A breaker required)
  • Powder cord is included without plug
Max. Temperature
1200  oC
Continuous Temperature
1100  oC
Max. Heating Rate
<= 20  oC /min
Thermal Block Placement
Heating Zone
  • Five independent heating zones:
  • Each heating zone length of 152 mm
  • Total heating zone length: 760 mm,  ( nominal 800 mm L considering spacer )
  • Max. Constant temperature zone 25"  ( 635mm ) if 5 zone heated  at same temperature ( within +/- 2oC)
Temperature Controllers
  • PID automatic control with 30 programmable segments for precise control of heating rate, cooling rate and dwell time.
  • Built-in overheating & broken thermocouple protection.
  • Over-temperature protection and alarm allows for operation without attendant(s).
  • +/- 1 ºC temperature accuracy.
  • Five K-type thermocouples (one for each zone).
  • RS485 Communications Port.
  • Optional:  
    • The furnace may be operated by PC by installing five control modules. Please order the MTS-02 control modules at extra cost. 
    • If you order the PC control module together with the furnace, we will install and test it before shipping. We recommend you to order a computer laptop from us to avoid software installation problems. For more information please click here.
Optional Processing Tube
& Vacuum flange
  • The furnace can accept quartz or mullite tube with diameter 1" - 4“ diameter and minimum length 1400mm  ( 55"), which is not included in the package. Please click the picture below right  to order tube & tube adapter, as well thermal blocks
     ( Note: To accept 5" Dia tube, customer needs to contact MTI tech. the support team for details)
       Vacuum Components for Tube Furnaces Flanges, ( Fittings, Valves & Gauges )
Product Dimension
  • Furnace:1035mm (L)x 385mm (W)x 370mm (H)
  • Control box: 500mm (L)x 490mm (W)x 250mm (H)
Net Weight
About 85 Kg
  •  One year limited warranty for electrical parts.
  • (Consumable parts such as processing tubes, o-rings, and heating elements 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 the 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
  • All electric components ( >24V) are UL / MET / CSA certified
  • The furnace is ready to pass TUV(UL61010) or CSA certification at extra cost. (pls click marks below to learn details )
Shipping Weight & Dimensions
  • 385 lbs
  • 55"x40"x41 
Options (click picture to order at extra cost)

Operation Instruction
Application Note
  • The tube furnaces with quartz/mullite tube are designed for using under vacuum and low pressure <0.2 bars / 3 psi / 0.02 MPa
  • Attention: A two-stage pressure regulator must be installed on the gas cylinder to limit the pressure to below 3 PSI for safe operation. Click here to learn the installation of a gas regulator.
  • * Vacuum pressures may only be safely used up to 1000°C  
  • The flow rate for gasses should be limited to<200 SCCM (or 200ml/min) for reducing thermal shocks to the tub

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