Page 8 of 66 Pages
3 GENERAL INFORMATION
3.1 Introduction
Models 2540, 3150, 3850, 3870, 5050 and 5075 EL are table-top sterilizers
designed especially for the sterilization of instruments, liquids, and other
materials in hospital laboratories, medical laboratories, research institutes,
food laboratories and pharmaceutical facilities.
A computerized control unit ensuring a fully automatic sterilization cycle
controls the autoclave.
The temperature and pressure are controlled through sensors placed inside
and outside the media container or bottles.
A special feature of the EL series is the option of a fast cooling stage for
liquids. In this stage pressure in the chamber is increased by means of
compressed air to compensate the fast decreasing of pressure due to the
fast cooling. The fast cooling shortens the time required for safe handling
of bottles.
Five automatic sterilization programs are available, according to the
material to be sterilized, as well as one special program (No. 5 – 105°C).
The sixth program is an optional program containing a cooling stage.
The sterilizer has multiple built - in safety devices, which provides
adequate protection to ensure the safety of operating personnel.
On all models, a printer is an optional addition to the autoclave. The
printer prints the preset and actual parameters of the cycle (temperature,
time and pressure/vacuum).
The autoclave is provided with a pressure gauge that is used as guide only.
Should there be a power failure during the operation of the autoclave, the
pressure gauge indicates to the operator that there is pressure in the
chamber.
A deviation of +1.6% is accepted.
NOTE:
After operating the sterilizer, brown stains might appear on the bottom of
the chamber. These stains are a result of the heating elements that are
located at the lower external part of the chamber. The brown color is a
common phenomenon, can easily be removed, and will not have any effect
on the steriliszed goods.
This manual is intended to give the user a general understanding of how
the autoclave works and indicates the best ways to operate and take care of
it in order to obtain optimum results and a trouble-free operation. After
reading this manual, operating the autoclave should be straightforward.
However, since the autoclave is built using high technology sensitive
components, no attempt should be made by the user or any other
unauthorized person to repair or recalibrate it.
Only technical personnel having proper qualifications, holding
technical documentation and adequate test instrumentation are
authorized to undertake repair or service.
3.2 Stand – by heating mode
The autoclave provides an option of heating the chamber in stand-by mode
between cycles with a very low power in order to reduce total cycle time
(1.6% of the total power only). The autoclave turns off automatically if the
interval between the sterilization cycles is more than 2 hours.
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