6
Intended Use
The Type F62700 furnace is a general laboratory and
heat treating furnace. For optimum element life, it is sug-
gested that this furnace be used for applications requiring
temperatures from 400°F (204°C) to 1600°F (871°C) for
continuous use, or temperatures from 1600°F (871°C) to
1832°F (1000°C) for intermittent use. Continuous use is
operating the furnace for more than 3 hours and intermit-
tent use is operating the furnace for less than 3 hours.
The unit consists of: 1) muffle heating chamber, 2) a mi-
croprocessor control and 3) a door interlock relay for user
safety.
General Usage
Do not use this product for anything other than its intend-
ed usage.
Principles of Operation
The furnace chamber incorporates a heating element that
is embedded into the side walls and top and back of heat-
ing chamber. The ceramic fiber oval muffle with four
heating surfaces creates even heat distribution within the
chamber. The temperature is controlled by a micropro-
cessor control with a type K Chromel/Alumel Thermocou-
ple. A fan is provided in the furnace to provide forced air
cooling for the temperature controller. A door safety
switch removes power to the heating elements whenever
the furnace door is opened.
Introduction
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