Bowie & Dick Test; Helix Test - Tecno-gaz ONYX B 7.0 Mode D'emploi

ENGLISH
PERIODICITY
13.3 Bowie & Dick test
It is a physical test (spare code TS001BDT) enabling to verify steam penetration capability
into porous loads. For the test a "test pack" is used which is standardized and complying
with the technical standards being currently in force.
USE
RESPONSE
PERIODICITY

13.4 Helix test

It is a physical test (spare code TS001ZHT) enabling to verify steam penetration capability
into hollow loads. For the test a standardized system is used which complies with the
technical standards in force.
USE
32
change to yellow since it has not been processed and will only be used as
term of comparison.
At the end of the test dispose of the ampoule in the solid urban waste. It is
anyway advisable to perform another sterilization cycle at 121° C on the
ampoule.
There is no preset testing interval, apart from areas to which specific
regional regulations apply. In any case the biological tests are the more
concrete ones. Hence in order to constantly monitor the autoclave
performance, it is advisable to perform the test at least once every 90
days.
Perform the test with empty chamber. The Bowie-Dick test pack shall have
to be positioned on the autoclave central tray. Perform the cycle, indicated
in the display of the autoclave, and at the end remove the pack, open it and
check the sheet colour change through the chemical indicator placed
inside.
There is no preset testing interval, apart from areas to which specific
regional regulations apply. Hence in order to constantly monitor the
autoclave performance, it is advisable to perform the test at least once
every 30 days.
Put the test device into the
empty chamber.
suitable indicator strip into the
test device end cap, then
position the test device on the
central tray of the autoclave.
Perform the suitable cycle,
indicated in the
display, then remove the test
device, open the cap and
The assessment is simple and rapid. If the
colour change turns out to be uniform (as
shown in the figure) the test perfectly
succeeded. On the contrary the test failed,
hence the autoclave cannot properly sterilize
porous bodies.
Fit the
autoclave