Carbolite TZF 1700°C & TZF 1800°C 3 Zone Tube Furnaces

Code: TZF 17 & TZF 18
  • High Temperature
  • Three Zone
  • Discontinued

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This range is now obsolete replaced by HTRH-3 furnaces

Standard features

  • Three zone
  • 1700°C & 1800°C maximum operating temperature
  • Accepts work tubes with outer diameters of up to 90mm
  • Heated lengths of 600 or 610mm
  • Includes end-zone controller using “back to back” control configuration
  • Eight segments programmable temperature control
  • Overtemperature protection
  • Delayed start/process timer function as standard


  • Non-permeable inner work tubes to contain modified atmosphere
  • Impervious inner work tubes to protect against chemical attack or damage from thermal shock
  • Insulation plugs & radiation shields to prevent heat loss & improve uniformity
  • Control module with 2-metre conduit to furnace cradle
  • Gas injection & vacuum compatible tube end seal assemblies
  • 2 phase, 3 phase or ‘universal’ power supply, depending upon the model
  • 20 segment programmer
  • RS232 communications & graphical recorders
  • ‘Retransmission of Setpoint’ control configuration to facilitate programmed cooling
ModelMax temp °CMax Work Tube Ø mmHeated lengths mmMax Power WWeight KgExternal Dimensions H X W x D mm
Three Zone
TZF 17/6001700906009000280880 x 1020 x 630
TZF 18/6001800906009300280645 x 1020 x 630

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Additional information

Weight0.09 kg