Intended Use
The Type F6000 furnaces are general purpose
laboratory and heat treating furnaces. For opti-
mum element life, we recommend observing
these temperature ranges: from 100°C (212°F)
to 1093°C (2000°F) continuous use or from
1093°C (2000°F) to 1200C (2192°F) for intermit-
tent use. (-60) Ashing models continuous tem-
perature range is 100°C (212°F) to 975°C
(1787°F). Continuous use is operating the fur-
nace for more than 3 hours and intermittent use
is operating the furnace for less than 3 hours.
All furnaces consist of: 1) a vented heating
chamber; 2) a temperature controller; and 3) a
door safety switch for operator safety.
General Usage
Do not use this product for anything other than
its intended usage.
Principles of Operation
The furnace chamber is heated by electric
resistance elements and is insulated with
ceramic fiber insulation. The controller is located
under the furnace chamber and is well insulated
from the heat generated in the furnace cham-
ber. A door safety switch removes power to the
heating elements whenever the furnace door is
opened. The temperature is controlled by one of
three types of controllers. The (-60) models
operate the same as the other models except at
a lower temperature and can inject gas into the
chamber.
5
Introduction
Caution
Do not exceed operating temperatures
shown in “General Specifications.”
Exceeding these limits will result in
severely reduced element life.
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