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Split Tube Furnace with Hinged Type Vacuum Flanges & 4" Quartz Tube - OTF-1200X-100-HNG

In stock
Item Number: OTF-1200X-100-HNG
Transported by LTL Freight (Truck)


Upgrade to Eurotherm Temperature controller
OTF-1200X-100-HNG series furnace are CE certified split-able Tube furnace with Fe-Cr-Al alloy heating element. The furnace is installed with 100mm O.D quartz tube
with a pair of smart stainless steel vacuum sealing flange and valve / gauge which allow to heat sample under vacuum or flowing gas condition up to 1200°C.
Precision temperature controller provides 30 segments heating and cooling steps with +/- 1°C accuracy.

Part No. OTF-1200X-4-HNG
Fused Quartz Tube Size O.D: 101 x I.D: 92 x Length: 1000 mm
Furnace Structure
  • Double layer steel casing with air cooling to keep furnace surface temperature lower than 60°C.  
  • High purity fibrous alumina insulation for Max. energy saving.
  • The special refractory coating on the inner and heating element to increase furnace life.
  • Two Quartz tube blocks are included for blocking heat radiation from inside tube. ( blocks must be fully inserted into the furnace chamber before heating)
                    click here to choose a crucible
Input Voltage 208 - 240VAC SINGLE PHASE, 50/60Hz
Power 2.5KW
Heating Elements Fe-Cr-Al Alloy doped by Mo
Heating Temperature
  • Max. heating temperature: 1200°C <  1 hours  (N2 or other inert gas must be filled inside the tube to resist deformation)
  • Continuously heating temperature: 1100°C
  • Heating rate: 20°C /min Max.
Heating Zone Total heating zone length: 440mm
Constant temperature zone: 150mm (+/-1°C)
Temperature Controller
  • MET certified 30 programmable segments for precise control of heating rate, cooling rate and dwell time.
  • Built in PID Auto-Tune function with overheating & broken thermocouple protection.
  • Over temperature protection and alarm allows for operation without attendant(s).
  • +/- 1 ºC temperature accuracy.
  • RS485 Communications Port.


Advanced Temperature Control (Optional)
  • MTS02-Y Temperature control software kit (for YD518P series controllers) + 15" laptop package  is available at the options bar. Click for the detail information about the MTS02-Y software kit. 
  • You may upgrade the temperature controller to the Eurotherm 3504 Temperature Controller which is fully compatible with LabVIEW. This package includes a Eurotherm 3504 programmer, a communication cable (RS485 - USB) and a software CD. Click the pic below to view the full spec of Eurotherm 3504 temperature controller. 
Hinged Type Vacuum Flange
& Fitting
  • Two hinged type stainless steel flanges with needle valves.1/4" pipe adapters are installed in two ends
  • The Righ flange has needle valve with 1/4" pipe connector.
  • The left flange has a needle valve, KF-25 Vacuum port and vac digital vacuum gauge.
    1/4" feedthrough is included on the right flange
    Water cold hinged type flange is available upon request at extra cost
Vacuum Level
  • 10^-2 torr by mechanical vacuum pump.10^-5 Torr by a molecular pump.
  • Leak rate < 5 mtorr / min.
You may order vacuum pump and accessories to build a complete vacuum furnace system as the pictures below, and please click Furnace Accessories to order these parts.


Product Dimensions Furnace: 590×380×520mm
Net Weight
Shipping Dimensions 45 x 45 x 35 inch
Shipping Weight 300lbs
One year limited warranty
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 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. ( please click marks below to learn details )
Application Notes
          Click here to learn the installation of a gas regulator
  • The tube furnaces  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 limit definition for all quartz tube furnaces: * 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 tube
Operation Instructions         

  Descriptions Qty Pic OTF-1200X-4-HNG
Quartz tube block /heat insulating tube block 1 pairs
Compact Digital Vacuum Gauge & Controller with Power Supply (Up to 10-4 Torr) 1 set
Quartz Tube: 101 OD x 92 IDx 1000L mm (4" x 40") Quartz Tube for DIY Tube Furnace
1 unit 

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1. Prices listed online are valid for US market and whom pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
2. We may add extra charges for paper order and net30 terms due to extra labor cost.
3. The prices listed are subject to change without notice.