UL Standard 1000°C Compact Split Tube Furnace with Vacuum Flanges & Optional 4" or 5" Tube - OTF-1200X-S-12

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Product Number: OTF-1200X-S-12


OTF-1200X-S-12  is a UL certifiable compact and energy saving (3000W power consumption) split tube furnace with a maximum working temperature of 1000°C and All electric parts are UL / MET / CSA certified. The furnace can be adopt either a 4" and 5" (130mm) O.D quartz tube (optional) with a pair of stainless steel vacuum sealing flanges. The 1/4" barb fitting for rubber hose connection allows heating sample in vacuum or flowing gas. Built-in precision temperature controller can provide up to 30 segments of heating and cooling steps with +/- 1 °C accuracy. 



Furnace Structure
  • Double layer steel structure.
  • High purity Al2O3 fibrous insulation with Max. energy saving
  • High purity alumina coating on refractory ceramics for longer service life.
  • This furnace can be converted into a vertical furnace upon request
Power  3 KW
Voltage 220VAC 50/60Hz
Max. Temperature 1200°C (<1 hour)
Continuous Temperature 1100°C ( continuous)
Max. Heating Rate <= 20 °C/min
Heating Zone Length
  • 12 " (300mm), single zone.
  • Constant Temperature Zone (+/-1ºC ): 100 mm length ( click drawing below for temp profile )

Temperature Controller
  • PID automatic control via solid state relay with 30 steps programmable
  • Built in Over Temperature and Thermocouple Failure Protection
  • Optional:  The furnace may be operated by PC with installing a control module. Please order a MTS02-B control module at extra cost. 
Temperature Accuracy +/- 1°C
Heating Elements Fe-Cr-Al Alloy doped by Mo
Thermocouple K Type
Tube Size
Vacuum Sealing
  • One pair of SS 304 vacuum flange with double high temperature silicone O-ring is Included.
  • Vacuum level can reach 10-2torr (by mechanical pump)
Fitting Ports
Optional Parts
  • You may need a vacuum valve at the vacuum port end
  • You may consider quick connecting flange at extra cost.
  • You may click the pictures below to order furnace with vacuum pump and a temperature caliberation kit.
Pressure Measurement / Monitoring
  • Standard mechanical vacuum gauge measures within a pressure range of -0.1 to 0.15Mpa is included.
  • OPTIONAL: A gas-type indenpendent (above 10mbar) digital vacuum gauge with wide range between 3.8x10-5 to 1125 Torr. Aside from greater measurement precision, this gauge reduces risks of chamber explosions caused by incorrect reading of gas pressures due to gas-type dependency.
With lid close: 430mm(L) × 480mm(W) × 480mm(H) 
With lid open : 660mm(L) × 480mm(W) × 720mm(H)
Net Weight 48 Kg
Shipping Weight 150 lbs
Warranty  One year limited warranty with lifttime support (Consumable parts such as processing tubes and o-rings are not covered by the warranty, please order replacements at related products below.) 

  • 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 )
  • Please choose certifcation type from ptoduct option bar
Application Notes & Warning

  • Tube furnaces with quartz tubes are designed for using under vacuum and low pressure < 0.2 bar / 3 psi / 0.02 MPa. Vacuum pressures may only be safely used up to 1000°CThe flow rate for gases should be limited to<200 SCCM (or 200ml/min) for reducing thermal shocks to the tube
  • Attention: A two stage pressure regulator must be installed on gas cylinder to limit the pressure to below 3 PSI for safe operation. Click here to learn the installation of a gas regulator.
  • How to set up ceramic tube and vacuum flange for MTI tube furnaces.
  • For safety, you may consider to put the small tube furnace inside a humehood. ( click picture left to see )




PREMIER SOLUTIONS PTE LTD / MTI CORPORATION - UL Standard 1000°C Compact Split Tube Furnace with Vacuum Flanges & Optional 4" or 5" Tube - OTF-1200X-S-12

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