High temperature horizontal tube furnace - HTRH

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HTRH 18/40/100 with control boxHTRH 17/70/600 with optional inert gas package, high vacuum flanges and E3508P10 programmer 

The Carbolite Gero high temperature tube furnaces HTRH can be used horizontally up to 1800 °C.

The high-grade insulation materials guarantee low energy consumption and high heating rates due to their low thermal conductivity. The insulation and molybdenum disilicide (MoSi2) heating elements are installed in the rectangular housing. The heating elements are vertically hanging and can be replaced easily. At higher temperatures and in the presence of oxygen, MoSi2 develops an oxide (SiO2) layer, which protects the heating elements against further thermal or chemical corrosion.

Three-zone tube furnaces (HTRH-3) can achieve better temperature uniformity than single-zone versions. In these models each zone is equipped with a dedicated thermocouple and controller, which is especially useful to preheat gases required for reactions inside the system.

The HTRH tube furnaces do not include an integral work tube. The work tube must be selected as an additional item. The work tube length is dependent on the application and will vary if used with or without modified atmosphere or vacuum.

Przykładowe Aplikacje

annealing, badania katalizatora, calcination, CIM, coating, CVD, lutowanie, MIM, miniplants, odgazowanie, odpuszczanie, piroliza, soldering, spiek, starzenie się, sublimacja, suszenie, synteza, test fuel cells, thermocouple calibration, utwardzanie

Cechy ogólne

  • 1800 °C maximum operating temperature
  • Programmable 3216P1 controller
  • 3-zone models fitted with 1 x programmable 3216P1 and 2 x 3216CC end zone controllers, with retransmission of setpoint
  • Zabezpieczenie przed przekroczeniem maksymalnej temperatury
  • Accepts work tubes with outer diameters up to 100 mm for use with modified atmosphere
  • Accepts work tubes with outer diameters up to 200 mm for use in air
  • Heated lengths of 100, 250, 300 or 600 mm
  • Low thermal mass ceramic fibre insulation
  • Vertically hanging, high quality MoSi2 heating elements
  • Rectangular housing with holes for convection cooling
  • Available with 1 - 3 heating zones
  • Furnace comes with separate control box with 3 m cable, plug and socket

Opcje (proszę podać podczas zamawiania)

  • Szeroki zakres zaawansowanych kontrolerów cyfrowych oraz programowalnych rejestratorów, które mogą one być wyposażone w port komunikacyjny RS232, RS485 lub Ethernet 
  • A range of additional work tubes is available in a variety of materials
  • Zatyczki izolacyjne oraz dyski radiacyjne rekomendowane podczas użytkowania pieca w konfiguracji pionowej dla poprawienia jednorodności temperatury oraz zapobieganiu utraty ciepła
  • Modified atmosphere and vacuum assemblies are available
  • Vacuum packages with a choice of rotary vane pump or turbomolecular pump are available for furnaces with tube inner diameters of 60 mm and above
  • Oxygen sensor for inert gas packages

Technical details


View inside
  1. outer case
  2. ceramic fibre end insulation
  3. ceramic fibre case insulation
  4. heating elements
  5. ceramic fibre inner insulation

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