1200°C Max Controlled Atmosphere Muffle Furnace

1200°C Max Controlled Atmosphere Muffle Furnace
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  • Item #: GCF1200
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Price (incl GST) A$10,990.00

This GCF1200 series controlled atmosphere muffle furnace is made of the highest quality parts, equating to precise, reliable results each and every time you use it. Sweden’s famous Kanthal heating elements inhabit its core, embedded within rugged Mitsubishi alumina fiber insulation. The impressive heat generated is contained in a double-walled, steel internal housing. Besides this, a high temperature silicone gasket seals the furnace door. But it goes beyond that. A built-in, stainless steel, water-cooling panel protects the door’s sealing gasket when the furnace is under heavy use.

A Japanese Shimaden 40-segment digital controller offers perfect temperature control. On top of that a 28-segment, self-tuning, PID control provides optimal thermal processing, while minimizing overshoot. One exciting option, you can directly control and monitor the furnace from your PC, through an RS485 digital communications port and USB adapter. You can even save or export test results. A built-in ammeter and dual voltmeters allow for easy monitoring and troubleshooting, while a type K thermocouple ensures a long lifespan.

Multiple gas inlets and outlets are included. Each has a stainless-steel ball valve. Inbound and outbound gas flows are controlled by a flow meter. Outlets can even be ignited in order to burn off gas. One important feature, multiple atmosphere processes are possible in a single cycle. This furnace comes with two safety features: overheat protection and power failure protection. It and all of our furnaces are CE compliant.

The benefits of an controlled atmosphere furnace

An atmosphere furnace provides the perfect environment for various procedures in many laboratories, providing the controlled temperature and atmosphere specific projects require. The controlled atmosphere is desired to complete tasks that require exact temperatures with no room for error. This is the best way to ensure the successful outcome of your project because it is sealed tightly to ensure the proper environment. 


One of the main components of the atmosphere furnace is the correct mixture of gases. The precise measurement of each gas is essential to the success of your project. You can use a separate chamber to mix the gases, which are then pumped into the furnace chamber where the work will be completed when they are done mixing. It is essential that the separate chamber that holds the gases does not receive any outside air because it could throw off the gas mixture and render your project useless.


Proper temperature control is vital to the success of your project as well. Temperatures that are too high or too low will cause problems with the process and could cost your company a significant amount of money. Across International furnaces come with built-in 28-segment PID digital temperature controller for accurate monitoring and consistency.


  • Multiple gas inlets and outlets with stainless steel ball valves. Flow meter to control inbound and outbound gas flows. Outlets can be ignited to burn off gas.
  • Furnace chamber is welded and oil leak tested to ensure air tightness. Furnace door is sealed with high temperature silicon gasket.
  • Built-in stainless steel water-cooling panel protects door sealing gasket when furnace is under heavy use.
  • Microprocessor based self-tuning PID control provides optimum thermal process with minimal overshoot.
  • Multiple atmosphere processes in a single cycle are possible (ex: binder burn out in air and parts sintering under rough vacuum or inert gas environment.)
  • Built-in ammeter and dual voltmeters for easy monitoring and troubleshooting.
  • Built-in computer interface.
  • Long life type K thermocouple.


  • Overheat protection shuts down the furnace if temperature is outside of acceptable range (refer to controller's manual) or when the thermocouple is broken or malfunctions.
  • Power failure protection resumes furnace operation right after the point of failure when power is reestablished.


 Electrical requirements  220-240V 50Hz Single phase / 380-415V 50Hz Three phase
 Heating element type
 Kanthal (Sweden) resistance coil wire
 Min/max/constant temperature  Ambient/1200°C/1100°C
 Temperature controller

 Shimaden fp93 (Japan) with 4 programs and
 40 segments (ie. 4 x 10 segments or 2 x 20 segments)

 Maximum heating rate  15°C / min
 Furnace cavity  Mitsubishi (Japan) high quality 1500 grade polycrystalline alumina fiber
 Thermocouple type   K
 Gas inlet/outlet  1/4" hose barb with 1/4" BSPT (British Standard Pipe Thread)
 Ultimate vacuum level  < 1 kPa
 Positive pressure  Not to exceed 20 kPa / 150 torr / 3 psi
 Temperature controller precision    +/- 1°C
 Working environments  Air, N2, H2 (wet or dry), Ar, NO2, CO, CO2, He, Ne, rough vacuum, etc.
 CE compliance

Size comparison

 Chamber capacity (litres) 12 L 36 L 80 L 125L
 Chamber size (DxWxH)  300x200x200mm  400x300x300mm  500x400x400mm 500x500x500mm
 Maximum output  4kW


 15kW   18kW
 Electrical requirements  1-Phase 17AMP  1-Phase 41AMP
 or 3-Phase 13AMP
 3-Phase 21 AMP  3-Phase 30 AMP
 Furnace dimensions (WxDxH)  940x760x1220  1040x840x1340  1150x950x1420  1150x970x1420
 Shipping dimensions (LxWxH)  970x660x1120mm  1020x760x1220mm  1250x1120x1550mm  1250x1120x1700mm
 Net weight (kg)  240  296  491  570
 Shipping weight (kg)  280  370  560  642

How to Program Across International Furnaces

Standard Package

Part description    



 GCF1200 controlled atmosphere furnace
 1 pc
 Type K thermocouple
 1 pc
 Flow meter
 1 pc
 Alumina cushion block  1 pc
 Furnace door block  1 pc
 Stainless steel tongs
 1 pc
 Thermal gloves  1 pair
 High temperature Al2O3 alumina crucible
 5 pcs
 Spare fuse 2 pcs
 USB/RS485 computer interface kit  1 set
 Water pump  1 pc
 Furnace operation manual  1 pc
 Shimaden fp93 temperature controller manual & software   1 pc

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