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UL Standard 1750C max. Compact Vacuum Tube Furnace (60mm OD) - GSL-1750X-S

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Description

GSL-1750X-S  vacuum tube furnace is pre-configurated to be ready to pass UL/CSA certificates.  This furnace has a 60 mm dia alumina processing tube with vacuum flanges and Kanthal Super-1800 MoSi2 heating elements. . It is widely used in material & chemical researching labs to sinter all types of new material samples under vacuum and other gas conditions. The max. heating temperature is 1750ºC. The temperature controller is 30 segments programmable high precision SCR (Silicon Controlled Rectifier) digital controller with an accuracy of +/-1 ºC.  
SPECIFICATIONS:
Model GSL-1750X-S-K60UL
Working Temperature
  • 800 -1720ºC continuous
  • Max: 1750ºC < 2 hour
Heating Elements Kathal Super-1800  MoSi2 heating elements - 270mm L ( 4 pcs )  made in Sweden

Furnace Structure
  • Double-layer steel casing with air cooling.
  • Two cooling fan inside to keep case temperature < 60oC.
  • High purity Alumina refractory chamber with max energy saving.
  • Alumina tube, vacuum flange, gauge & valves are included.
  • Compact design (click picture on left to see dimensions)
  • Such a compact space-saving furnace can be placed on the 600mm x 600mm mobile cart (available in the optional parts list below). 
Power Consumption Max. 3KW
Input Voltage Single Phase, 220V AC,  50/60 Hz (30A breaker required)
Max. Heating / Cooling Rate 10ºC / min
Heating Zone 120 mm
Constant Temperature Zone 60mm  within ± 5ºC  at 1500oC
Temperature Controller
  • PID automatic control via SCR (Silicon Controlled Rectifier) power control with phase angle fired, current limiting resistor.
  • 30 programmable segments for precise control of heating rate, cooling rate, and dwell time.
  • Please click here to learn why SCR is more accurate than SSC (Solid state relay).
  • Built-in over-temperature alarm and protection allow for operation without an attendant.
  • +/- 1 ºC temperature accuracy.
  • RS485 Communication Port.
  • Optional:  
    • The furnace may be operated by a PC by installing a control module. Please order an MTS-02 control module at extra cost.  
    • If you order the PC control module together with the furnace, we will install and test it before shipping. We recommend you to order a computer (laptop) from us to avoid software installation problems. For more information please click here
                                
Tube Materials High purity Al2O3 ceramic, Purity > 99.9%
Processing Tube
  • Premier Grade alumina tube made in USA.
  • 54 mm (I.D) x 60 mm (O.D) x 790 mm length.
  • Four fiberous ceramic tube blocks are included for blocking heat radiation from inside tube. (Ceramic blocks must be fully inserted into the furnace chamber before heating).
  • For 60mm tubes, it is recommended that customers purchase two pairs of tube support to prevent tube from bending under high temperature (please click on the last picture to order).
            click here to choose alumina boat 
Sealing Flanges
  • One pair sealing flange with double silicone high-temperature O-ring is included.  
  • Two SS needle valves and one dial vacuum gauge are installed with a flange for immediate use. 
  • Vacuum pressure can reach 50 mTorr by a quality mechanical vacuum pump and 10^-5 torr by turbo molecular pump. Please click the picture below to see flange assembling details. 

Fitting Ports
                       
Vacuum Level
  • Limited by vacuum pump
    • 50 mtorr can be achieved by a mechanical pump
    • 10^-5 torr can be reached by molecular pump
  •  The vacuum pump is not included, please order separately by clicking here
                  
Power Cable & Plug
    
  • 10 feet long 10-3 AWG heavy duty UL approved power cable is included. Extra length cable can be ordered by click picture below-left
  • The plug is not included. You can order from your local hardware store according to the female plug in your lab, or order from the link below-right (30A plug)
Dimensions 445 L x 380 W x 615 H  mm
Net Weight 150Kg
Shipping Dimensions 38"x 38"x 38"
Shipping Weight 375 lbs
Warranty One year limited manufacture warranty with life time support (consumable parts such as furnace liner, processing tubes, and O-rings are not covered by the warranty, please order replacements at related products below).
Compliance
  • CE Certified
  • NRTL or CSA certification is available upon request at the extra cost         
  •                  
Application Notes


Operation Instructions
                                

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