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| 2008 Product Catalog | Furnaces
Thermolyne* Basic Large Muffle Furnaces 
 

AY408X1A	F62700	F62730	F62730-33	F62730-33-80	F62730-80	F62734
F62735	F62735-80	PH421X1

Ideal for Drying and Heat Treating Applications • 1000°C max. temperature • 864 cubic inch capacity • Designed for intermittent use Product Description • Oval-shaped heating element is directly embedded in ceramic fiber insulation for even heat distribution throughout chamber. • Built-in vent port removes undesirable contaminants and moisture; extends the life span of the element and unit. • All models shipped complete with power cord. • Configured in °C. • Calibration port located at the rear of chamber allows easy access for calibration. • Fan-cooled exterior Operation • Self-tuning function allows the control to adjust or “tune” itself for superior temperature accuracy. • Choose from two control options: B1: Digital single set point control with a single ramp to set point and a dwell. A single display shows Actual temperature or set point. The furnaces that use this control also utilize a mechanical Over Temperature Protection relay. C1: Digital programmable control with one stored program of 8 segments. The furnaces that use this control also utilize a mechanical Over Temperature Protection relay. Safety • Adjustable alarm or Over Temperature Protection (OTP) setting can be used to protect the furnace or loaded chamber from excessive heat. • Door safety switch protects operator by removing power to the heating elements upon opening the door. • Thermocouple break protection cuts power to the heating elements, prevents a thermocouple failure runaway condition. Applications • Drying and firing of coatings • Drying and firing decorations on glass • Heat treating ceramics and tiles • Heat treating glass.