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LINDBERG/BLUE M
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FURNACES |
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BOX FURNACES |
1200°C LGO 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 protection
Simultaneous 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
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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 Digital Control |
Electrical | Watts |
Interior Dimensions W x F-B x H in" |
Exterior Dimensions W x F-B x H in" |
Ship Weight lbs |
| 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.
Heat-Up/Cool-Down Rates
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Model BF51732C Heat-Up/Cool-Down, No Load |
Actual performance may vary depending on applications and environmental conditions.
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