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Tube Furnace for Sample Annealing in High Magnetic Field
Tube Furnace for Sample Annealing in High Magnetic Field

Tube Furnace for Sample Annealing in High Magnetic Field

Model:KJ-1200X-MH4

Description:

KJ-1200X-MH4 is a 90mm OD x 58mm ID 300ºC Max. Tube furnace with vacuum/gas insulated jacket. Such furnace is constructed by SS316L material which has nearly zero magnetic permeability. It is dedicated for use with superconducting high field magnets for material annealing.

Detailed
Specific Introduction:
    KJ-1200X-MH4  is a 90mm OD x 58mm ID  300ºC Max. Tube furnace with vacuum/gas insulated jacket. Such furnace is constructed by SS316L material which has nearly zero magnetic permeability. It is dedicated for use with superconducting high field magnets for material annealing.
Parameters:



Furnace Structure
 
The tube furnace has three layers
  • Heating element:  center spiral type SiC filament ( 25 OD x  20 ID x 400 L mm )
  • SiC sheath: quartz tube  ID 30 × OD 36 mm × 622 mm.
  • Sample layer:  36 ID × 58 OD × 622 mm L with vacuum sealed flange.
  • Gas-cooled layer: 58ID × 90 OD × 622mm L to keep outside wall < 30ºC
customized size tube is available upon request
Power
  •  208 - 240 VAC, single phase 
  •  2000W
Working Temperature Max. Temperature: 300 °C (< 1 hr)
Continuous working temperature: 250 °C
Heating Rate
  • Max. Heating Rate: 10°C /min
Heating Zone Heating Zone Length: 1000 mm 
Constant Temperature Zone:  700 mm within +/- 2oC
Temperature Controller
  • PID automatic control and auto-tune function.
  • 30 programmable segments for precise process
  • Built in protection for overheated and broken Thermal couple. 
  • Temperature Accuracy: +/- 1 °C
  • K-type thermal couple 
Vacuum Flange (Sold Separately)
  • Special flange for three layers tube is included
  • 1" flange is included for center tube
Fitting Ports (Sold Separately)
 
Both flanges will come standard with 3/8" barbed hose fittings
  • In order to increase the throughput and achieve a high vacuum, you may replace the standard barbed hose fitting with theKF25 adapter
  • For supplying high-pressure gas, you may replace the standard barbed hose fitting with the 304SS 1/4" Swagelok® Tube Fitting x 1/4" BSPP Male Connector
Vacuum Pressure
  • Limited by vacuum pump
    • 50 mtorr can be achieved by mechanical pump
    • 10^-5 torr can be reached by molecular pump
Digital Pressure Gauge (optional) A gas-type independent (above 10mbar) digital vacuum gauge with a wide range between 3.8x10-5 to 1125 Torr. Aside from greater measurement precision, this gauge reduces risks of chamber explosions caused by incorrect reading of gas pressures due to gas-type dependency.                           
Warranty One year limited warranty with lifetime support.
Compliance
  • CE Certified
  • All electric parts are UL / MET / CSA certified
  • The furnace is ready to pass UL or CSA certification (UL61010 or SPE1000) on customer side at customer cost.
Application Notes
 
  • Tube furnaces with quartz tubes are designed for using under vacuum and low pressure < 0.2 bars / 3 psi / 0.02 MPa
  • Attention: A two stage pressure regulator must be installed on the gas cylinder to limit the pressure to below 3 PSI for safe operation.
  • Vacuum limit definition for all quartz tube furnaces: * Vacuum pressures may only be safely used up to 1000°C
  • The flow rate for gases should be limited to<200 SCCM (or 200ml/min) for reducing thermal shocks to the tube
  • Please contact us to see our typical temperature profile calibration results at various temperatures.  
  • In order obtain accurate temperature inside tube furnace, please contact us to learn how to calibrate the temperature on your own.
Tube Furnace for Sample Annealing in High Magnetic Field
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Contact Information
E-mail:web@kejiafurnace.com
Tell:+(86) 181-3719-5600
Whatapp:+(86) 180-3717-8440
Address:No.18 Hongye Road,Hi-tech zone,Zhengzhou,China,450000
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181-3719-5600

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