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| 2008 Product Catalog | Furnaces
Thermolyne* Largest Tabletop Muffle Furnaces 
 

AY408X1A	F30400	F30420C	F30420C-33	F30420C-33-80	F30420C-80	F30428C
F30428C-80	F30430CM	F30430CM-33	F30438CM	PH146X1	SH412X1

Two Shelves for Maximum Space! • 1093°C Max. temperature • 1.6 cubic feet capacity • 24 Month Warranty Product Description • Heating elements are located on top, bottom and sides of chamber for enhanced temperature uniformity. • Triple the usable working area with two supplied accessory refractory shelves. • Built-in vent port removes undesirable contaminants and moisture; extends the life span of the element and unit. • The rear of the chamber incorporates a 0.38" (0.95 cm) diameter port for monitoring chamber temperatures with independent measuring devices. • Critical electronic components and heating elements are protected by a 35 amp circuit breaker. • Door safety switch protects operator by removing power to the heating elements upon opening the door. • No power cord supplied. Electrical connection requires fixed wiring. Operation • Choose from 3 temperature control models: 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. D1: Digital programmable control with 4 stored programs, 16 segments per program. The controller also includes RS232 communications. The furnaces that use this control also utilize a mechanical Over Temperature Protection relay. Applications • Annealing glass • Determinations of volatiles • Catalyst research • Ashing organic and inorganic samples