Lindberg/Blue M™ 1200 °C Box Furnace

Lindberg/Blue M™ 1200 Box Furnace

Temperature uniformity, fast heat-up, recovery and cool-down rates are among the excellent benefits of our 1200°C Box Furnace. It has a dense load capability and the spring-loaded door assures secure closure.



  • Fast heat-up, and recovery and cool-down rates
  • Spring-loaded door assures secure closure


  • Double shell construction
  • Individual heating elements at chamber top, bottom, and sides
  • Moldatherm® ceramic fiber insulation
  • High temperature insulation in vestibule plug door
  • Refractory plate heating unit for Model BF51442C - all others use heating element embedded Moldatherm® pads
  • Plantinel® II thermocouple with 10 ft. compensated lead wire and polarized plug


    • Ethernet communications available
    • Programmable Temperature Controller (Option P)

    • Offers the convenient flexibility of ramping to multiple setpoint temperatures and holding for variable time periods at those temperatures
    • Temperature controller provides 16 programmable segments consisting  of ramps or dwells
      • Provides up to four 16-programmable segments or one 64-segment program
      Excess temperature protection (Option B)
    • Provides positive protection of both furnace and load in event of failure in the primary control circuit
      Atmosphere Retorts
    • Available for all 1200°C box furnaces when controlled atmosphere  processing is required.
    • Atmosphere Control Consoles
    • Atmosphere retort limits the maximum temperature capacity to 1050°C in lieu of 1200°C with retort installed 
    Built-In Temperature Control Console
    • Provides additional features and versatility for your control system
    Specifications and product information are subject to change without notice.