Carbolite CTF 12/65/550 Tube Furnace

Code: CTF 12/65/550
  • Single-zone tube furnace
  • 1200°C
  • 550mm heated length

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The Carbolite CTF 12/65/550 is a horizontal single-zone furnace with an integral wire-wound work tube of 65mm internal diameter and a heated length of 550mm. The maximum temperature is 1200°C, with a continuous operating temperature of 1100°C. Heat up time is 45 minutes. Uniform length is 230 mm plus or minus 5°c. Maximum power consumption is 2000 watts.

For an inert atmosphere and applying a vacuum, a separate, longer work tube can be purchased for insertion into the inbuilt ceramic work tube of the furnace. The protruding ends can then have plugs, seals, gas, or vacuum adaptors added. There is also a choice of tube material with different resistance properties to prevent damage for specific applications.

Common CTF range features

  • Inbuilt tube wire-wound Tube
  • Supplied with Carbolite Gero 301 controller, with one ramp to set temperature
  • Delayed start/process timer functionality
  • Horizontal configuration mounted on a control module
  • The furnace can optionally be mounted vertically by use of an L stand with the controller in a separate control box

Used widely in industry, such as testing novel materials, electronics/Semiconductors under inert atmospheres or vacuum, and temperature sensors such as thermocouples and PT100s, which may require enhanced thermal uniformity for such us three-zone models.


  • Electrical configuration 2 phase electrical supply possible.
  • Over-temperature protection is used if the furnace has valuable contents or is left unattended for extensive periods.
  • Insulation plugs, Work Tube Seals  & Radiation shields to increase uniformity and combat heat loss.
  • A range of eight to twenty-segment programmable digital controllers and data loggers is available with RS232 and RS485 communication options.
  • Pumps are offered for vacuum application: rotary vane pump or turbomolecular pump.

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Title Size
mtf ctf Brochure 125 KB
MTF /CTF Manual 320 KB

Additional information

Weight 0.09 kg