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Box Furnaces
Model 1200°C LGO

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 LGOä heating element (light gauge overbend) delivers maximum radiant heat energy to the process load. The LGOä element is imbedded within Lindberg/Blue M's exclusive Moldathermâ insulation, combined with unique double shell construction to provide optimum temperature uniformity, energy efficiency, fast response, quick heat-up and rapid cool-down.

FEATURES
  • Patented LGO (light gauge overbend) heating elements with Moldathermâ 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 setpoint 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
  • Moldathermhearthplate supports loadand prevents damage due to spillage
  • RS-485 communications port available as an option

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

DIGITAL 16 SEGMENT, (1) PROGRAM PROGRAMMABLE CONTROLLER
  • Microprocessor-based self-tuning PID control (proportional, integral, derivative) provides optimum thermal process, prevents overshoot
  • 1 program with 16 segments for ramps (up and down) and 8 dwells (timed holds)
  • Adjustable high limit overtemperature protection
  • Simultaneous LED display of actual temperature vs. setpoint
  • May be configured to display temperature in either °C or °F

DIGITAL MULTIPLE PROGRAM PROGRMMABLE CONTROLLER
  • Available on models with "P" designation
  • Microprocessor-based self-tuning PID control (proportional, integral, derivative) provides optimum thermal process, prevents overshoot
  • Up to 30 programs, total of 300 segments, up to 99 segments per program for ramps (up and down) and dwells (timed holds)
  • Simultaneous LED display of actual temperature vs. setpoint
  • May be configured to display temperature in either °C or °F

OVERTEMPERATURE CONTROL (OTC)
  • Adjustable digital overtemperature 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

FLOWMETER OPTION (FM) (INERT ATMOSPHERE ONLY)
  • Available on selected models with ÒFM" designation; see chart
  • Gas flowmeter, 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.
  • Reminder: Need a communications port? We can add to any model below as an option.

SPECIFICATIONS
Model
Integrated Digital Control
Electrical, 1Ø
Watts
Int. (WxF-BxH)
Ext.. (WxF-BxH)
Ship Weight
Vertical lift door, 0.6 cu.ft. (16.4 liters); Overall height with door open is 39 in.; Temperature Range 100 to 1200°C
Single Setpoint
BF51731C
Digital
208/240V, 50/60Hz
4500
13x11x7 in.
33x27.9x17.8cm
24x23x27 in.
61x58.4x68.6cm
165lbs (75kg)
BF51731BC
Digital/OTC
208/240V, 50/60Hz
4500
13x11x7 in.
33x27.9x17.8cm
24x23x27 in.
61x58.4x68.6cm
165lbs (75kg)
Programmable, Single Program
BF51732C
16 Seg/1 Prog
208/240V, 50/60Hz
4500
13x11x7 in.
33x27.9x17.8cm
24x23x27 in.
61x58.4x68.6cm
165lbs (75kg)
BF51732BC
16 Seg/1 Prog/OTC
208/240V, 50/60Hz
4500
13x11x7 in.
33x27.9x17.8cm
24x23x27 in.
61x58.4x68.6cm
165lbs (75kg)
Programmable, Multiple Program
BF51732PC 300 Seg/30 Prog 208/240V, 50/60Hz
4500
13x11x7 in.
33x27.9x17.8cm
24x23x27 in.
61x58.4x68.6cm
165lbs (75kg)
BF51732PBC 300 Seg/30Prog/OTC 208/240V, 50/60Hz
4500
13x11x7 in.
33x27.9x17.8cm
24x23x27 in.
61x58.4x68.6cm
165lbs (75kg)
BF51732PFMC 300 Seg/30Prog/FM 208/240V, 50/60Hz
4500
13x11x7 in.
33x27.9x17.8cm
24x23x27 in.
61x58.4x68.6cm
165lbs (75kg)
BF51732PBFMC 300 Seg/30 Prog/OTC/FM 208/240V, 50/60Hz
4500
13x11x7 in.
33x27.9x17.8cm
24x23x27 in.
61x58.4x68.6cm
165lbs (75kg)
Horizontal Side Swing Door, 2.0 cu ft (55.3 liters),
Temperature Range 100°C to 1200°C
Single Setpoint
BF51841C
Digital
208/240V, 50/60Hz
5800
15x15x15in.
38.1x38.1x38.1cm
29x28x33 in.
73.6x71.1x83.8cm
280lbs (127kg)
BF51841BC
Digital/OTC
208/240V, 50/60Hz
5800
15x15x15in.
38.1x38.1x38.1cm
29x28x33 in.
73.6x71.1x83.8cm
280lbs (127kg)
Programmable, Single Program
BF51842C
16 Seg/1 Prog
208/240V, 50/60Hz
5800
15x15x15in.
38.1x38.1x38.1cm
29x28x33 in.
73.6x71.1x83.8cm
280lbs (127kg)
BF51842BC
16 Seg/1 Prog/OTP
208/240V, 50/60Hz
5800
15x15x15in.
38.1x38.1x38.1cm
29x28x33 in.
73.6x71.1x83.8cm
280lbs (127kg)
Programmable, Multiple Program
BF51842PC
300 Seg/30Prog
208/240V, 50/60Hz
5800
15x15x15in.
38.1x38.1x38.1cm
29x28x33 in.
73.6x71.1x83.8cm
280lbs (127kg)
BF51842PBC
300 Seg/30Prog/OTC
208/240V, 50/60Hz
5800
15x15x15in.
38.1x38.1x38.1cm
29x28x33 in.
73.6x71.1x83.8cm
280lbs (127kg)
BF51842PFMC
300 Seg/30Prog/FM
208/240V, 50/60Hz
5800
15x15x15in.
38.1x38.1x38.1cm
29x28x33 in.
73.6x71.1x83.8cm
280lbs (127kg)
BF51842PBFMC
300 Seg/ 30Prog/OTC/FM
208/240V, 50/60Hz
5800
15x15x15in.
38.1x38.1x38.1cm
29x28x33 in.
73.6x71.1x83.8cm
280lbs (127kg)

NOTES
  • Power cord and hard wiring supplied by customer. Contact Lindberg/Blue M for CE Models.
  • Actual performance may vary depending on load, chamber size, sample placement, ambient temperature and environmental conditions.