Lindberg 1200 °C LGO TM Box Furnaces

Versatile LGO Series Box Furnaces feature the latest technical advances in heating elements, insulation and temperature control, all integrated into a self-contained cabinet. The patented LGO heating element (light gauge over bend) delivers maximum radiant heat energy to the process load. The LGO element is imbedded within Lindberg/Blue M’s exclusive Moldatherm® insulation, combined with unique double shell construction to provide optimum temperature uniformity, energy efficiency, fast response, quick heat-up and rapid cool-down.

General Features

  • Patented LGO (light gauge over bend) heating elements with Moldatherm©insulation for efficient and economical transfer of heat to chamber, with low exterior temperatures
  • Variable heat-up rate eliminates thermal shock to materials with quick heat-up and cool-down rates
  • Choice of side hinge or vertical lift door; see specifications for model selection
  • Air vent (1" dia., top) and air inlet (.375" dia., rear) for inert atmosphere exchange
  • Self-tuning, digital instrumentation for precise temperature set point and display; automatically sets best control parameter values during operation
  • Platinel II® thermocouple for long-term stability
  • Main power on/off switch on control panel; control panel designed for easy maintenance access
  • Safety door switch to interrupt power to heating element when door is opened; protects heating elements and minimizes exposure to end-user
  • Removable shelves for versatility; 0.58 cu. ft. models include 1 two-part shelf, center position; 1.95 cu. ft. models have 3 shelf positions; 1 two-part shelf included standard
  • Moldatherm© hearth plate supports load and prevents damage due to spillage
  • RS-485 communications port available as an option

Digital, Single Set Point Controller

  • Microprocessor-based self-tuning PID control (proportional, integral, derivative) provides optimum thermal process, prevents overshoot
  • Single segment, single set point, 1 ramp to set point
  • Adjustable high limit over temperature protection
  • Simultaneous LED display of actual temperature vs. set point
  • May be configured to display temperature in either °C or °F

Digital Single Program, Multiple Segment, Programmable Controller

  • Microprocessor-based self-tuning PID control (proportional, integral, derivative) provides optimum thermal process, prevents overshoot
  • Single program with multiple segments for ramp (up and down) and dwell (timed hold) temperature control. See page 35 for more information
  • Adjustable high limit over temperature protection
  • Simultaneous LED display of actual temperature vs. set point
  • May be configured to display temperature in either °C or °F

Digital Multiple Program, Multiple Segment Programmable Controller

  • Available on models with "P" designation
  • Microprocessor-based self-tuning PID control (proportional, integral, derivative) provides optimum thermal process, prevents overshoot
  • Multiple programs and segments for ramp (up and down) and dwell (timed hold) temperature control. See page 35 for more information
  • Adjustable high limit over temperature protectionSimultaneous LED display of actual temperature vs. set point
  • May be configured to display temperature in either °C or °F

Over Temperature Control (OTC)

  • Adjustable digital over temperature control, available on selected models with “B” designation; see chart
  • Protects furnace and load in the event of primary control circuit failure
  • Overrides main controller, assumes temperature control and shuts off power to furnace if high limit is reached
  • Manual re-set required for safety
  • Operates via magnetic contacts through signal from independent thermocouple

Optional RS485 Digital Communications Port

  • RS485 Digital communications port available as an option. Allows controller to be connected to a PC for remote monitoring and control of the furnace. Up to 30 units can be connected to one PC. Please see page 35 for ordering information and additional options.

Flow Meter Option (FM) (Inert Atmosphere Only)

  • Available on selected models with “FM” designation; see chart
  • Gas flow meter, adjustable, located on front control panel
  • Adjustable flow rate, range 1.0 to 10.0 cu. ft./hr standard
  • Suitable for inert gas or air flow to chamber
  • Allows fresh air exchange for ashing applications
  • Not suitable for combustible or volatile gases

Note: Use with inert atmosphere will exhibit some leakage.

 

1200°C LGOTM Box Furnaces, Vertical Lift Door, 0.6 cu ft (16.4 liters), Temperature Range 100°C to 1200°C

Model Integrated Control Electrical Watts Interior DimensionsW x F-B x H in” Exterior DimensionsW x F-B x H in” Ship Weightlbs
Single Set Point
BF51731C Digital 208/240V,
50/60Hz
4500 13" x 11" x 7" 24" x 23" x 27" 165
BF51731BC Digital/OTC 208/240V,
50/60Hz
4500 13" x 11" x 7" 24" x 23" x 27" 165
Programmable, Single Program
BF51732C Multi Seg/
1 Prog
208/240V,
50/60Hz
4500 13" x 11" x 7" 24" x 23" x 27" 165
BF51732BC Multi Seg/
1 Prog/OTC
208/240V,
50/60Hz
4500 13" x 11" x 7" 24" x 23" x 27" 165
Programmable, Multiple Program
BF51732PC Multi Seg/
Multi Prog
208/240V,
50/60Hz
4500 13" x 11" x 7" 24" x 23" x 27" 165
BF51732PBC Multi Seg/
Multi Prog/OTC
208/240V,
50/60Hz
4500 13" x 11" x 7" 24" x 23" x 27" 165
BF51732PFMC Multi Seg/
Multi Prog/FM
208/240V,
50/60Hz
4500 13" x 11" x 7" 24" x 23" x 27" 165
BF51732PBFMC Multi Seg/Multi
Prog/OTC/FM
208/240V,
50/60Hz
4500 13" x 11" x 7" 24" x 23" x 27" 165

Note: Required power cord and hardwiring are not included.

*Overall height with door open is 39" on vertical lift door models only.

 

Horizontal Side Swing Door, 2.0 cu ft (55.3 liters), Temperature Range 100°C to 1200°C

Model Integrated DigitalControl Electrical Watts Interior DimensionsW x F-B x H in” Exterior DimensionsWx F-B x H in” Ship Weightlbs
Single Set Point
BF51841C Digital 208/240V,
50/60Hz
5800 15" x 15" x 15" 29" x 28" x 33" 280
BF51841BC Digital/OTC 208/240V,
50/60Hz
5800 15" x 15" x 15" 29" x 28" x 33" 280
Programmable, Single Program
BF51842C Multi Seg/
1 Prog
208/240V,
50/60Hz
5800 15" x 15" x 15" 29" x 28" x 33" 280
BF51842BC Multi Seg/1
Prog/OTP
208/240V,
50/60Hz
5800 15" x 15" x 15" 29" x 28" x 33" 280
Programmable, Multiple Program
BF51842PC Multi Seg/
Multi Prog
208/240V,
50/60Hz
5800 15" x 15" x 15" 29" x 28" x 33" 280
BF51842PBC Multi Seg/
Multi Prog/OTC
208/240V,
50/60Hz
5800 15" x 15" x 15" 29" x 28" x 33" 280
BF51842PFMC Multi Seg/
Multi Prog/FM
208/240V,
50/60Hz
5800 15" x 15" x 15" 29" x 28" x 33" 280
BF51842PBFMC 300 Seg/ Multi
Prog/OTC/FM
208/240V,
50/60Hz
5800 15" x 15" x 15" 29" x 28" x 33" 280

Note: Required power cord and hardwiring are not included.


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