Lindberg 1700 °C Box Furnaces, Large Chambers, Integral Control

Large Chamber 1700°C Box Furnaces are designed for efficient, high temperature use with minimal maintenance.

Moldatherm© graduated density insulation adds to safety and performance by forming enhanced insulation protection between the high temperature chamber and exterior cabinet surface. Unique right angle heating elements and an integrated control system (a choice of single set point or programmable control) combine to deliver safe, dependable operation.

General Features:

Construction

  • Available in two popular chamber sizes (see chart)
  • Energy efficient double shell design for better uniformity, lower external cabinet temperature
  • Moldatherm© high temperature ceramic fiber insulation with advanced graded design for fast heat-up and resistance to thermal shock
  • Side swing door provides full and easy access to chamber, protects user from heat surge
  • Removable panels for easy access to replaceable heating elements and thermocouples
  • Atmosphere port, .375" diameter, for fresh air or inert gas inlet (located at back wall, bottom)
  • Moldatherm© hearth plate supports load and protects chamber from damage due to spillage
  • High volume cooling fans move air between inner and outer chamber to lower exterior shell temperatures and improve energy efficiency
  • Solid-state power module with ammeter, circuit breaker, transformer and front panel indicator lights for “Open Element”, “Fuse” and “Main Power Applied”
  •  Long-life type “B” thermocouples for accurate high temperature measurement
  • Safety power disconnect switch cuts power to heating elements when door is opened

Smart Heating Elements-

  • Molybdenum disilicide elements with unique right angle bend and sidewall mounting to reduce maintenance associated with element termination and mounting
  • Energy efficient, fast heat-up and response
  • Increased resistance to thermal shock, ideal for rapid cycling over extended periods
  • Designed for easy replacement without matching resistance values

CONTROLLERS

Digital, Single Set Point Controller

  • Microprocessor-based PID control (proportional, integral, derivative) 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

Option P Digital Multiple Program, Multiple Segment Programmable Controller

  • Microprocessor-based PID control (proportional, integral, derivative) prevents overshoot
  • Multiple programs and segments for ramp (up and down) and dwell (timed hold) temperature control. See page 35 for more information
  • LED display of actual temperature
  • May be configured to display temperature in either °C or °F

Programmable Control With Communications

  • Available on COM Models
  • Controllers include RS485 data port (communications card and port) for connection to remote computer, allowing modification, interrogation and data transfer of all instrument control and configuration parameter. Up to 30 units can be connected to one PC. Software is not included, but is available as an option. Please see page 35 for additional options and information.
  • Includes installed communications card and port for user connection

Option B 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
  • Factory installed, specify when ordering

1700° Box Furnaces, Large Chamber, Temperature Range - 500°C to 1700°C

For Over Temperature Control Specify Option B When Ordering.

Model Integrated Digital Controller Electrical Watts Interior Dimensions W x F-B x H in” Exterior Dimensions W x F-B x H in” Ship Weight lbs
Capacity 0.6 Cu.Ft (17 liters)
BF51634C Digital/
1 Setpoint
208/240V,
50/60Hz
5900 11" x 10.5" x 9" 28" x 24" x 31" 350
BF51634PC Multi Seg/
Multi Prog
208/240V,
50/60Hz
5900 11" x 10.5" x 9" 28" x 24" x 31" 350
BF51634PCOMC Multi Seg/
Multi Prog/Com
208/240V,
50/60Hz
5900 11" x 10.5" x 9" 28" x 24" x 31" 350
Capacity 0.9 Cu.Ft (25.5 liters)
BF51664C Digital/
1 Setpoint
208/240V,
50/60Hz
7100 11" x 15.5" x9" 28" x 30" x 31" 370
BF51664PC Multi Seg/
Multi Prog
208/240V,
50/60Hz
7100 11" x 15.5" x 9" 28" x 30" x 31" 370
BF51664PCOMC Multi Seg/
Multi Prog/Com
208/240V,
50/60Hz
7100 11" x 15.5" x 9" 28" x 30" x 31" 370

Note: Required power cord and hardwiring are not included.

Heat-Up/Cool-Down Rates


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