Browse Categories

1000°C Mini Tube Furnace with 20 mm Tube and Vacuum Flange - GSL-1000X-20-LD

Sale Price: Starting at USD$3,498.00
If you are international, please click this.
Transported by LTL Freight (Truck)

Product Options



GSL-1000X-20  is a 20 mm OD mini tube furnace designed for processing small samples up to 1000oC under a vacuum or controlled atmosphere.  The stainless steel vacuum flanges with valves and quartz tubes are included for immediate use. The built-in precision temperature controller can program up to 30 segments of the heating, dwelling, and cooling steps. The furnace and controller are separatable and can be set up in vertical or horizontal positions to meet various applications such as sample heating, VLS, CVD, and gas analysis. 

 ( AC110V - 55V)
  • Furnace input (two power inputs are required)
    • 55VAC
    • 110VAC or 220VAC (selectable from the option bar)
    • 500W max. 50/60 HZ
  • A transformer (110V or 220V - 55V) for running a single furnace under either 110V or 220VAC is included
  • Two furnaces may be connected in series to run at 110VAC

Working Temperature

  • Max. Temperature: 1000 °C  (< 1 hr)
  • Continuous working temperature: 900°C
  • Max. Heating Rate: 10°C /min
Heating Zone

  • Heating Zone Length: 2.16" ( 55mm)
  • Constant Temperature Zone: 0.8" (20mm. +/-  5ºC)
    The furnace can be placed in either a horizontal or vertical position

Temperature Controller

  • PID automatic control and auto-tune function
  • 30 programmable segments for precise thermal processing
  • Built-in protection for the over-heated and broken thermocouple.
  • Temperature Accuracy: +/- 1 °C
  • K type thermocouple

Heating Elements

  • Fe-Cr-Al Alloy doped by Mo

Protective Cover

  • A specially made protective shield is mounted on the furnace for scald protection at high temperatures (800°C+).

Processing Tube

Vacuum Flange


  • One end is KF16 quick clamp flange is included, without valve
  • Another end is screw tighten flange with 1/4 gas inlet
  • You may order  KF16 adaptor with valve or tube fitting by clicking the pictures below

Vacuum Pressure

  • 20 m-torr can be achieved by the mechanical pump
  • Please click the picture below to order a vacuum pump



Shipping Weight

  • 50 lbs


  • One-year limited warranty with lifetime support  (Consumable parts such as processing tubes, and O-rings are not covered by the warranty, please  order replacements at related products below.)


  • CE Certified
  • NRTL(UL61010)  or CSA certification is available at extra cost.
Operation Instructions
Application Note
  • The furnace is separable with a controller  and easy to replace
  • The furnace can be used a vertical position as the picture below
  • The furnace is small enough to put into the glovebox through an airlock chamber

Related Products

Shopping Cart
Your cart is empty.
Please clear the browsing history before ordering the product. Otherwise, availability and price are not guaranteed.
Mailing Lists
MTI sponsorships:
MTI Sponsors Thermoelectrics Workshop

MTI-UCSD Battery Fabrication Lab

MTI Sponsors the Postdoctoral Awards

Upcoming Shows:

Hydrogen Tech Expo June 26-27 Houston TX Booth 567

Solid-State Battery Summit August 13-15 Chicago IL Booth 36

2024 MRS Fall Meeting December 1-6 Boston MA Booth 901

AABC US December 9-12 Las Vegas NV

Click here to see our past conferences

1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Prices vary from country to country.
2. We may add extra charges for paper orders and NET 30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.