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1200C 1-3 Zone Rotary & Tilting Top-Open Tube Furnace

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Mitsubishi refractory lining, Eurotherm controller, overheat/power failure protection, PC interface, quartz tube, vacuum flanges incl.


SKU: 1501 Category:



Ai STF1200 series top-open tube furnaces feature the famous Kanthal (Sweden) spiral wire coils embedded in Mitsubishi (Japan) high quality grade 1500 alumina fiber insulation. A double walled steel internal housing helps minimize heat loss to exterior surface.

Furnace operation is controlled by Eurotherm multi-segment digital controller, allowing the user to connect to a PC for remote control and monitoring of the furnace.


  • Top-open furnace chamber for fast and easy tube access.
  • Standard package includes set of stainless steel vacuum sealing flanges with valves and pressure meter.
  • 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.
  • Limit switch turns off furnace once top is open.

Warning! NEVER fill furnace with explosive gases, including Hydrogen, Carbon Monoxide and Methane.


General Specifications

 Electrical requirements  208-240VAC, 50/60 Hz, single phase
 Rotation speed & inclination  0 to 20 rpm, 0 to 30°
 Tube material  Quartz
 Maximum working vs constant temperatures  Working: 1200°C (2 hours maximum continuous run time)
 Constant: 1100°C
 Constant working temperature under vacuum  1000°C
 Rated vacuum pressure
 0.001 Pa / 0.0075 millitorr / 0.00001 mbar
 Rated positive pressure  0.02 MPa / 150 torr / 3 psi
 Heating element type
 Kanthal (Sweden) A1 2.0 resistance coil wire
 Thermocouple type  K
 Refractory lining  Mitsubishi (Japan) high quality 1500 grade fiber alumina
 Temperature controller  Eurotherm multi-segment digital controller
 Maximum heating rate    < 30°C / min
 Temperature controller precision
 ± 1°C
 Vacuum sealing flange kit

 Stainless steel vacuum sealing flanges with one vacuum gauge,
two valves and four thermal ceramic blocks.      

 Gas inlet/outlet
 1/4″ hose barb with 1/4″ BSPT (British Standard Pipe Thread)

Model Comparison

 Zone  1-Zone  1-Zone  2-Zone  2-Zone  3-Zone  3-Zone
 Tube size (OD x L)
 60mmx1.2m  120mmx1.6m  60mmx1.4m  120mmx2m
 Tube center with baffle
  (diameter x L in mm)
 200x280L  100x280L  200x380L  100x380L  200x380L
 Heating zone  16″  16″  8+8″  16+16″  8+8+8″  16+16+16″
 Maximum output  3.5 kW  6 kW  3.5 kW  12 kW  10 kW  18 kW
 Eurotherm controller  1 pc  1 pc  2 pcs  2 pcs  3 pcs  3 pcs
 Furnace dimensions (LxWxH)  36x18x55″  38x20x57″  36x18x55″  42x20x57″  38x21x56″  46x22x59″
 Shipping dimensions (LxWxH)  39x22x59″  41x23x61″  39x22x59″  45x23x61″  41x25x60″  50x25x63″
 Shipping weight (Lb)  330  400  330  400  370  460









How to Install an Across International Tube Sealing Flange


Standard Package


Part description    






Part image 


 RTF1200 top-open rotary and tilting tube furnace
 1 pc
 Quartz tube
 1 pc

 Stainless steel vacuum sealing flanges w/ pressure gauge
 1 set

 Analog flow meter 1 pc  
 Stainless steel hook
1 pc

 Tube thermal block

2 pairs


 Alumina crucible 5 pcs 

 Thermal gloves 1 pair

 Spare fuse 2 pcs

 USB/RS485 computer interface kit 1 set

 L6-30P 250 volt twist-lock plug
 Furnace and Shimaden controller manual 2 pcs

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