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Furnace Structure
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- Double-layer steel structure.
- High-purity Al2O3 fibrous insulation with Max. energy saving.
- High-purity alumina coating on refractory ceramics for longer service life.
- This furnace can be modified into many special furnaces ( see the bottom application note)
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Power
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3 KW
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Voltage
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220VAC 50/60Hz
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Max. Temperature
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1200°C (<1 hour)
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Continuous Temperature
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1100°C (continuous)
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Max. Heating Rate
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≤ 20 °C/min
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Heating Zone Length 
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- 12" (300mm), single zone.
- Constant Temperature Zone
- 100 mm length (+/-1ºC ): ( click drawing below for temp profile )
- 140 mm length (+/-2ºC ): ( click drawing below for temp profile )
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Temperature Control  
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Advanced Temperature Controller (Optional) 
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Temperature Accuracy
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+/- 1°C
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Heating Elements
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Fe-Cr-Al Alloy doped by Mo
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Tube Size 
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- One pair of SS 304 vacuum flange with double high-temperature silicone O-ring and stainless steel protective shield are Included. (click the pictures left for more details).
- KF25 port is built in the right side flange to connect a vacuum pump.
- The vacuum gauge, inlet valve, and 1/4 thermocouple feed-through are built-in left side flange.
- The vacuum level can reach 10-2torr (by a mechanical pump).
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- Option 1: Water cooling 5" flange with Support Fixture, which allows the furnace to achieve1200°C (Pic 1)
- Option 2: Hinged type flange for easy sample loading( Pic.1- 2)
- Option 3: A second temperature as a monitor can be added with an additional cost applied. ( Pic 2)
- Option 4: For working temp < 500oC, and use it inside the glovebox, the furnace can be shortened to 500 mm L ( Pic. 3)
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 pic 1  Pic 2  Pic. 3
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Fitting Ports
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Optional Parts
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- You may need a vacuum valve at the vacuum port click the picture left to order ).
- You may click the pictures below to order a furnace with a vacuum pump and a temperature calibration kit.
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Pressure Measurement / Monitoring  
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- Standard mechanical vacuum gauge measures within a pressure range of -0.1 to 0.15Mpa are included.
- OPTIONAL: A gas-type independent (above 10 mbar) digital vacuum gauge with a wide range between 3.8x10-5 to 1125 Torr. Aside from greater measurement precision, this gauge reduces the risks of chamber explosions caused by the incorrect reading of gas pressures due to gas-type dependency.
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Optional Insertable Thermocouple
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- A K-type insertable thermocouple can be inserted through the flange to monitor the temperature inside the tube. Click the picture below to order
- The heating furnace is available for spare and replacement ( click on the right picture below).
- You may order flange support to avoid tube rotating ( click Pic below right )
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Click here to choose a crucible
