Carbolite EST 12/300B Horizontal Split Tube Furnace

Code: EST 12/300B
  • Compact Horizontal Split Tube Tube Furnace
  • 1200C Single Zone
  • 300mm Heated Length

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Carbolite EST 12/300B Horizontal Split Tube Furnace is designed to be compact and versatile. Supplied without work tube. All furnaces in the EST range can accept a maximum 60mm outer diameter work tube. Maximum temperature 1200C, continuous operating temperature 1100C. Heated length is 300mm. Uniform length is 185 mm plus or minus 5c. Maximum power consumption is 1480 watts. Heat up time 34 minutes.

Carbolite Gero EST is single zone horizontal bench mounted split tube furnace.  A furnace split into two halves by hinges allowing the furnace to be opened, removing the need to insert tubes by narrow end holes. Makes changing work tubes easy and used where larger protruding ends do not fit into the end holes of a standard tube furnace. Adaptors allows the flexibility of accepting tubes lower than the maximum overall diameter into the furnace.

The controller forms the base of the furnace and is a PID 301 with process timer and one ramp. Options allow 8 or 20 segment programming with storage.

The furnace heats using free wire radiating elements integrated into the insulation, this protects the elements and using a separate tube restricts contamination of the elements. Insulation is high graded vacuum formed giving high efficiency heating. Around the furnace perimeter mesh is fitted to guard the operator.


  • Over temperature protection used if furnace has expensive contents or is left unattended for large periods of time.
  • Work tubes varying lengths and diameters and materials – shock and chemically resistant.
  • Insulation plugs, Work Tube Seals  & Radiation shields to increase uniformity, combat heat loss and for atmosphere retention
  • Pumps are offered for vacuum application: rotary vane pump or turbo molecular pump.

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