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Lindberg/Blue M™ 1100 °C Crucible Furnace

1100 Crucible Furnace

Designed for energy efficiency and compact design, the 1100°C Crucible Furnace covers a variety of vertical heat processing and melting applications. Insulation plugs minimize heat loss, improving uniformity. This furnace is compatible with alumina, mullite, quartz, and metallic crucibles and exhibits fast heat-up and recovery rates.


  • Fast heat-up and recovery rates, exceptional temperature uniformity and energy efficiency provided for low outer shell temperature. 
  • Allows for maximum end user flexibility
  • Provides state-of-the-art temperature control
  • Attractive unit consumes little laboratory bench space
  • Provides excellent radial uniformity and energy efficiency 
  • Minimize heat loss
  • Provides best control parameters values during furnace operation
  • Components are easily replaced
  • Replacement of the furnace control instrument, thermocouple and heating elements easily facilitated
  • Programmable model consists of 16-segments of ramps or dwells



  • Energy efficient Moldatherm® insulation
  • Programmable or single setpoint controllers may be configured for either °C or °F (°C standard)
  • Cover plug with Moldatherm insulation and handle for safe removal
  • Moldatherm ceramic fiber hearthplate
  • Designed for use with a variety of crucibles including alumina, mullite, quartz and metallic
  • All digital self-tuning instrumentation
  • Unique furnace design
  • Heating element is embedded in Moldatherm insulation
  • Well insulated furnace vestibule
  • Insulated air spaces and cabinet venting
  • Self-tuning control instrument
  • Instruments include a dual display readout, comparing the actual and setpoint chamber temperatures 
  • Temperature - 1100°C (2012°F) maximum
  • Crucible sizes: 
    • 5" (Top Vestibule Diameter) x 8" (Heated Depth)
    • 7.5" (Top Vestibule Diameter) x 8" (Heated Depth)


  • Single Setpoint or Programmable
  • May be configured to display temperature in either C or F (C standard)
  • Programmable model consists of 16-segments of ramps or dwells


  • Pots
  • Inert atmosphere retorts
  • Combustible gas safety system
  • Excess temperature protection
  • Digital communications
  • Computer communications software
Specifications and Product Information are subject to change without notice.
Model Top Vestibule ID
inches (cm)
Heated Depth
inches (cm)
Wattage Overall Dim.
inches (cm)
Use w/
Control Type
Shipping Weight lbs.
56610 5 (12.7) 8 (20.3)
1,700 14 x 14 x 20
(35.6 x 35.6 x 50.8)
Single setpoint
56611 5 (12.7) 8 (20.3) 1,700 14 x 14 x 20
(35.6 x 35.6 x 50.8)
Programmable 100
56820 7.5 (19) 8 (20.3) 2,600 20 x 20 x 22
(50.8 x 50.8 x 55.9)
Single setpoint 130
56821 7.5 (19) 8 (20.3) 2,600 20 x 20 x 22
(50.8 x 50.8 x 55.9)
Programmable 130