Chapter 1 – Performance Specification
4
The steam sterilizer works with a one-way feed water system. This means
that it uses fresh purified feed water for every
sterilization run. The quality
of the feed water is constantly monitored via integrated conductivity mea
s-
urement. This prevents stains on instruments and soiling of the
steam
, assuming the instruments have been carefully prepared.
Automatic feed water supply
The supply with purified feed water for the steam production is automati-
cally supplied via an external water storage
container
or a water treatment
unit (e.g. MELAdem
®
®
Optimal drying for wrapped
items to be sterilized
The items to be sterilized are dried by the vacuum (vacuum drying). This
way you achieve optimal drying results for wrapped objects as well.
Optimized total
operating time
The steam sterilizer works with an electronic parameter control. This way
the
steam sterilizer optimizes the total operating time of a program de-
High degree of safety by
extensive safety devices
The steam sterilizer checks the pressure and temperature in the steriliza-
tion
chamber at all times and does not permit the door to be opened in
case of overpressure in the chamber. The motor
-operated automatic door
lock slowly opens the door by turning the locking spindle and holds the
door while it opens. Pressure compensation takes place even if there is
any difference in pressure until the door
is completely opened.
The quantity and quality of the feed water is checked.
A process evaluation system is integrated in the electronics of the
steam
. During a program it compares such process parameters as tem-
peratures, times and pressures with each other. It monitors the parameters
with respect to their limit values at activation and control and guarantees a
safe and successful
sterilization.
A monitoring system checks the device components of the
steam sterilizer
with respect to their functi
onal reliability and their plausible interaction.
If one or more parameters exceed defined limits, the
steam sterilizer is-
sues warnings or error messages, and if necessary aborts the program. In
the event of an automatic program abort, observe the informat
ion on the
Additional function check
You can conduct an additional function check at any time with the help of
test programs.
Use the vacuum test to check the
steam sterilizer for leaks in the steam
Use the Bowie & Dick test to check
whether there is sufficient steam pene-
tration for porous material to be sterilized (e.g. textiles).
Effective batch
documentation
The steam sterilizer has an internal log memory. All data of the completed
sterilization
programs are automatically stored here.
You can read out the internal log memory immediately after the end of the
program, or at a later time. You determine whether the logged data are
issued to one or several different output media (e.g. log printer
®
42, MELAflash CF card, computer).
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