Carbolite FHA & FHC Tube Furnaces

Code: FHA & FHC
  • Single Or Three Zone
  • Maximum Temperature 1350°C
  • Use in a Horizontal or Vertical Orientation

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Carbolite Gero FHA, FHC Horizontal and Vertical Tube Furnaces, maximum temperature 1350°C

FHA a single-zone furnace range, and the FHC are three-zone models. Both can be used either vertically or horizontally. The extensive F range of tube furnaces is offered with a wide range of accessories. The furnaces comprise ceramic fibre modules with a high quality 5 mm APM wire heating element mounted in the insulation, held in position by a ceramic holding ridge. The low thermal mass ceramic fibre insulation ensures low energy consumption and allows fast heating rates.

The control thermocouple is a high-grade type S thermocouple. Additionally, the tube furnace is available with up to 8 heating zones for the most precise temperature control and uniformity.

Standard features

  • 1350°C maximum operating temperature
  • Programmable temperature controller with 24 segments
  • FHA fitted with Carbolite Gero EPC3016P1
  • FHC fitted with Carbolite Gero CC-T1
  • Over-temperature controller with independent thermocouple
  • Accepts work tubes with outer diameters up to 110 mm
  • Heated lengths of 200, 500, 750, 1000 or 1250 mm
  • Exceptional lifetime and temperature stability
  • High-grade thermocouple type S
  • Low thermal mass ceramic fibre insulation
  • High quality 5 mm APM wire heating element
  • Furnace fitted with separate control box with 3 m cable, plug and socket
  • Ethernet communications


  • ‘L’ stand for vertical usage
  • A range of sophisticated digital controllers, multisegment programmers, and data loggers with digital communication options
  • A range of additional work tubes end seals and work tube packages for use with modified atmosphere and/or vacuum
  • Larger tube diameters on request
  • Vacuum packages with a choice of rotary vane pump or turbomolecular pump
  • A wide selection of tube diameters and materials
  • Insulation plugs and radiation shields to prevent heat loss and improve uniformity
  • Oxygen sensor for inert gas packages
  • 6 m length of cable between furnace body and control box with plug and socket
ModelMax temp °CFurnace Ø mmHeated lengths mmUniform
± 5 °C
Max Power W
Single Zone
FHA 13/32/2001350322001001200
FHA 13/32/5001350325002502400
FHA 13/50/2001350502001001500
FHA 13/50/5001350505002503600
FHA 13/50/7501350507503755400
FHA 13/80/2001350802001002100
FHA 13/80/5001350805002005200
FHA 13/80/7501350807503757800
FHA 13/80/1000135080100050010400
FHA 13/110/50013501105002507800
FHA 13/110/750135011075037511500
FHA 13/110/10001350110100050016000
FHA 13/110/12501350110125061020000
Three Zone
FHC 13/32/5001350325003502400
FHC 13/50/5001350505003503600
FHC 13/50/7501350507505505400
FHC 13/80/5001350805003505200
FHC 13/80/7501350807505507800
FHC 13/80/1000135080100080010400
FHC 13/110/50013501105003007800
FHC 13/110/750135011075050011500
FHC 13/110/10001350110100075016000
FHC 13/110/12501350110125095020000

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Title Size
FHA-FHC Tube furnaces 1350C 204 KB

Additional information

Weight0.09 kg