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1800°C Bench-Top Muffle Furnace (6"x6"x6", 3.6L) with UL recoganized Components & Kathal Super-1900 Heating Elements - KSL-1800X-UL

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OTF-1500X-GB is a splittable tube furnace connected to the dual glovebox with the purification system, which allows processing air-sensitive material at the environment of oxygen and humidity less than 1 ppm. The sample after heat treatment can be taken out from the tube furnace to the glovebox for further processing.  


Dual Glovebox
  • Fully openable front window panel (tempered glass, 8 mm thick)
  • Dimensions: 2400mm(L) x 800mm(W) x 930mm(H)
  • Chamber Material: Stainless Steel 304
  • Built-in fluorescent lamp
  • Two shelves, 300mm L x 250mm W x 300mm H
  • Eight KF40 Feedthrough in the back (can be customized upon request)
  • Two pieces of HEPA filters for particle size >0.3 μm
  • Large Antechamber Dimensions: 385mm(Dia.) x 588mm(L)
  • Small Antechamber Dimensions (for tools): 150mm(Dia.) x 300mm(L)
  • The automatic pressure control system is built in to keep the pressure at a constant level.
  • A KF50 feedthrough with Manual Gate Valve on the left is standard for use with the furnace.
  • For more detailed specifications of the Glovebox, please click this link
Purification Unit
  • Water and oxygen concentration: <1 ppm (20°C, 1 atm)
  • Working gas: Inert gas such as N2, Ar, He
  • Regenerating gas: Mixture of H2 (5%) and 95% working gas
  • Note: If you use Ar gas, please make sure the inside equipment is Ar gas compatible.
  • Auto regeneration process with user defined parameters.
  • Automatically purging function is built-in for quickly reducing O2 < 100ppm & H2O < 100 ppm before cycling.
  • Purification Cylinder: made of BASF antioxidant materials and UOP water adsorbent materials.

Tube Furnace
  • 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 inner to increase furnace life.
  • Two pairs of fibrous ceramic tube blocks are included for blocking heat radiation from inside tube. (Ceramic blocks must be fully inserted into the furnace chamber before heating)
  • Split cover with Interlock protection, cut the power if door open during furnace heating process.
  • 2" Alumina tube with the dimension of 50 O.D x 40 I.D x 1000 L (mm)
  • Processing tubes with 3" or 4" are available upon request at extra cost.
  • The air-tight flanges with the valve and vacuum gauge are included
  • The seperate table is included.
  • For more detailed specifications of the furnace, please click this link
Vacuum Pump
  • 240 L/min heavy duty double stage rotary vane pump EQ-YTP-550-LD is included.
  • Furnace: 208 - 240 VAC, single-phase, 50/60 Hz, 6.0 kW
  • Glovebox: 110 VAC or 220 VAC, single-phase, 50/60Hz, 1.7 kW
  • Furnace:   1200mm L x 470mm W x 750 mm H
  • Glovebox:  3200 mm L x 1000 mm W x 2000 mm H

Net Weight

  • Furnace:     110 kg
  • Glovebox:   400 kg


  • Rusting and damage due to improper storage or maintenance are not covered by warranty
  • Gloves are consumable items and are not covered under warranty
  • NRTL Certification (UL 1450) is available upon request at extra cost


One year limited warranty with lifetime support

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