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Thermolyne™ Largest Tabletop Muffle Furnaces
by Thermo Fisher Scientific


Compact tabletop units safely heat up to 1093°C

CE logo All Units   CSa logo Select Models
As the largest tabletop muffle furnace available, these units triple the inner working space with two included refractory shelves. The built-in safety features ensure operator protection and the choices three temperature modes are ideal for standard/routine and diverse application processes.
  • Enhanced temperature uniformity with heating elements on chamber top, bottom and sides
  • Longer unit life with built-in vent port that removes contaminants and moisture
  • 0.38 in. diameter port in rear chamber monitors temperatures with independent measuring devices
  • 35A circuit breaker protects critical electronic components and heating elements
  • Mechanical Over-Temperature relay
  • Door safety switch turns power off when door opens
  • One-Year Manufacturer Warranty for Parts and Labor
  • Applications: catalyst research, annealing glass, determinations of volatiles, and ashing organic and inorganic samples
Temperature Control Choices:
  • B1: Digital single setpoint control with a single ramp to setpoint and dwell; single display shows actual temperature or setpoint
  • C1: Digital programmable control with one stored program of 8 segments
  • D1: Digital programmable control with 4 stored programs, 16 segments per program, RS-232 communications interface
Thermo Part # Control Description Electrical Amp Compliance Cat. # Price
F30428C B1: Digital single setpoint 208V 26.4A CSA 4003-01 $ 7,224
F30420C B1: Digital single setpoint 240V 22.9A CSA 4003-02 $ 7,395
F30420C-33 B1: Digital single setpoint 240V 22.9A CSA & CE 4003-03 $ 7,395
F30428C-80 C1: Digital programmable 208V 26.4A CSA 4003-04 $ 8,104
F30420C-33-80 C1: Digital programmable 240V 22.9A CSA & CE 4003-06 $ 7,985
F30438CM D1: Digital programmable w/RS-232 208V 26.4A CSA 4003-07 $ 8,723
F30430CM D1: Digital programmable w/RS-232 240V 22.9A CSA 4001-83 $ 8,141
F30430CM-33 D1: Digital programmable w/RS-232 208V 26.4A CSA & CE 4003-08 $ 8,723
Interior Dimensions 14W × 14D × 14H in. (355.6 x 355.6 x 355.6 mm)
Exterior Dimensions 21.5D × 25.5W × 29.5H in. (546.1 x 647.7 x 749.3 mm)
Electrical 208V 50/60Hz, 26.4A 550w (select models)
240V 50/60Hz 22.9A 550w (select models)
Capacity 45L (1.6 cu. ft.)
Temperature Range 100° to 1093°C
Temp. Stability/Uniformity ±1.2°C at 1000°C/±3.45°C
Power Output Adjustable from 1 to 100%
Shipping Weight 260 lbs. (117.9 kg)

Additional Features:
  • Microprocessor-controlled Advanced LED digital-set/digital-display temperature controller is
  • LED display simultaneously shows both setpoint and actual furnace temperatures in °C or °F
  • User-selectable over-temperature protection
  • Open thermocouple protection
  • Includes two refractory shelves
  • Power cord not included (electrical connection requires fixed wiring)

Thermo Part # Product Description Cat. # Price
PH146X1 Hearth Tray 5.9W x 6.72D x 0.75H in
(149.86 x 170.69 x 19.05 mm)
1712-71 $ 62
SH412X1 Shelf - Max. weight 25 lbs. (11.3 kg) 1712-72 $ 140
AY408X1A Exhaust Tubing Kit   1712-73 $ 336
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