NST-Three-Zone 1200°C Tube Furnaces W/ Kanthal (Sweden) Heating Elements

  • Model Number:NST-Threefurnace1
  • Compliance:CE Certified
  • Warranty:Two years limited warranty with lifetime technical support
  • Payment:L/C D/A D/P T/T Western Union
  • Delivery Time:15 day


500-Three-Zone 1200°C Tube Furnaces w/ Kanthal (Sweden) Heating Elements


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TMAX-Threefurnace1 3-zone tube furnaces feature the famous Kanthal (Sweden) resistance wire as their heating elements. Furnace hearth is built with Mitsubishi (Japan) high quality fiber materials. Temperature of this furnace is controlled by high precision temperature controller (Shimaden fp93 from Japan) with +/-1 °C accuracy and 40 programmable segments. Furnace housing is built with double-layer steel and two cooling fans inside keep the furnace body temperature low. Furnace tube is sealed by stainless steel vacuum sealing flanges, it can be used under vacuum and other gases condition. This tube furnace is an ideal tool for sintering all types of materials/chemical. Great for labs or college scientific research use.

These furnaces have built-in interface to a computer. We provide connection cable, adaptor and software that can be used to control the temperature and parameters of the furnace, all from your PC! You can also save a temperature curve for record or study purposes.

All our furnaces are CE certified.

Safety features

1        Furnace overheat protection cuts off power when temperature is over the desired range.

2        Thermocouple protection cuts off power when the thermocouple is broken or malfunctioned.

3        Temperature variation protection cuts off power when the difference between actual temperature and target temperature is off the desired range. (refer to controller’s manual)

4        Power failure protection resume furnace operation right after the point of failure when power is back up.

5        Stainless steel flange support makes sure the tube and flanges are secure and in their absolute position, it also longer the life of the tube.

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

General specifications

 Electrical requirements  110-240VAC, 50/60 Hz, single phase
 Tube material  Quartz
 Min. working temperature  Ambient
 Max. working temperature  Zone1/Zone2/Zone3: 1200°C
 Max. constant working temperature  Zone1/Zone2/Zone3: 1100°C
 Constant working temperature under vacuum  Zone1/Zone2/Zone3: 1000°C
 Rated vacuum pressure  0.001 Pa / 0.0075 millitorr / 0.00001 mbar
 Rated positive pressure  0.02 MPa / 150 torr / 3 psi
 Refractory lining  Mitsubishi (Japan) high quality 1600 grade fiber alumina
 Heating element type  Zone1/Zone2/Zone3: Kanthal (Sweden) resistance coil wire
 Thermocouple type  Zone1/Zone2/Zone3: K
 Temperature controller  Shimaden fp93 (Japan) with 4 programs and
40 segments (i.e. 4 x 10 segments or 2 x 20 segments)
 Max heating rate  20°C/min
 Recommended heating rate  10°C/min
 Heating zone length  Zone1: 8 inches Zone2: 8 inches Zone3: 8 inches
 Constant temperature zone length  Zone1: 4 inches Zone2: 4 inches Zone3: 4 inches
 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.
 CE compliance  Yes

Size comparison

 Tube size (OD x length)  60mm x 1300mm  100mm x 1300mm  150mm x 1300mm
 Maximum output  1.5 kW x 3  2 kW x 3  2.5 kW x 3

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