Thermolyne™ Benchtop Muffle Furnaces

• For added protection, the door safety switch stops power to heating elements when door opens
• Thermocouple break protection cuts power to heating elements, preventing a thermocouple failure runaway condition
• Two open coil heating elements on chamber sides assure fast heat-up with minimum temperature gradient
• Thermal-efficient ceramic insulation surrounds chamber for maximum energy efficiency
• 0.95cm (0.38 in.) dia. port for monitoring chamber temperatures with independent measuring device at rear of chamber

F47900 Models

• 2L (0.07 cu. ft.) of heating area

• 5.9L (0.20 cu. ft.) of heating area
• Includes ceramic shelf (SH480X1) that doubles furnace load capacity

• Digital single setpoint control
• Single display shows actual temperature or setpoint

• Digital single setpoint control with a single ramp to setpoint and a dwell
• Single display shows actual temperature or setpoint
• Furnaces with this control also use a mechanical Overtemperature Protection relay

• Digital programmable control with one stored program of eight segments
• Furnaces with this control also use a mechanical Overtemperature Protection relay

• Digital programmable control with four stored programs, 16 segments per program
• With RS-232 communications interface
• Furnaces with this control also use a mechanical Overtemperature Protection relay