Zhengzhou Brother Furnace Co.,Ltd


Contact US

Room 2713, Floor 27, Building 21, Yard 28, Dongfeng Road, Zhengzhou, China

TEL: +86-371-67973830

FAX : +86-371-86106036

Mob: +86-13733835594

Email: sales@brofurnace.com

Vacuum Annealing Furnace

Vacuum Annealing Furnace

CE certificated Vacuum Annealing Furnace
Max temperature:1200℃
Working temperature:1100℃
Chamber size: Customized

    Technical Specifications

    Chamber size

    100x100x100mm (Width * Height * Depth) The size can be customized

    Max. temperature

    1200 ℃ (<2hour)

    Working temperature


    Temperature controlling


    ●  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.
    ●  Built in PID Auto-Tune function with overheating & broken thermocouple broken protection.
    ●  Over temperature protection and alarm allows for operation without attendant.

    Temperature accuracy


    Temperature Uniformity

    ±5℃ over 100 mm @ 1100℃

    ±3℃ over 80 mm @ 1100℃

    Heating rate

    0-20 ℃ /min


    K type (Pt-Rh to Pt-Rh) with 99.7% purity Alumina tube

    Heating element

    Heating wire

    Max vacuum

    0.007 Pa

    Furnace Chamber

    Three layers of ceramic fiber insulation materials
    ●  First layer: 1430℃ ceramic fiber board
    ●  Second layer: 1260℃ ceramic fiber board

    Furnace structure

    Double layer steel casing with dual cooling fan (water cooling optional)

    (surface temperature below 60℃)

    Furnace door

    ●  Front open to aside, high sealing
    ●  Power cutting off when furnace door open

    Outer dimension

    About 1220x900x1400mm

    Working voltage

    110V or 220V, 50HZ/60HZ, 1 phases (As per your order)

    Rated power



    Net Weight: about 75kgs
    Gross Weight: about 95kgs


    ●  One year limited warranty with lifetime support. (Consumable parts such as heating elements and crucibles are not covered by the warranty, please order the replacement at related products)
    ●  ATTENTION: Any damages caused by the use of corrosive and acidic gases are not under the coverage of One Year Limited Warranty.



    Application Notes   

    Using Attentions

    ●  Cooling rate shall also not exceed 10℃ /min.
    ●  Toxic or explosive gases are not recommended for use with this furnace without necessary safety controls and supervision.
    ●  Small cracks may appear on the surface of the refractory ceramics over extended use. This is a normal occurrence and the cracks may be repaired with alumina coating. 

    ●  Refractory door block must be inserted before closing door.

    Standard Package  

    Electric Furnace

    1 set


    Furnace Door Block

    1 pc


    High temperature gloves

    1 pair


    Crucible clip

    1 pc


    Operation Manual (English version)

    1 book


    Optional Spares

    B type thermocouple   


    Alumina crucible


    Furnace Furniture


    Gas Vent

    Observation Hole


    (The furnace may be operated by PC by installing a control software. )


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