9 Functional checks
42
Bowie & Dick test
The Bowie & Dick test serves as the proof of steam penetration of porous materials such as e.g. textiles.
You can perform a routine function check for proof of steam penetration. Use the Bowie & Dick test
program to this end. Specialist stockists provide various test systems for the Bowie & Dick test. Perform
the test according to the test system manufacturer information.
1. Switch on the steam sterilizer at the power switch.
2. Working in thePrograms & Tests menu, select
Bowie & Dick test and press START.
Evaluation of the indicator documents following the colour change
Depending on the manufacturer batch, treatment indicator strips often exhibit differing intensities in the
colour change resulting from different lengths of storage or other influences. Of crucial importance for
evaluating the Bowie & Dick test is not the strength of contrast in the colour change on the test sheet, but
its even nature. If the treatment strips / treatment indicator sheet indicates an equal distribution of colour
change, the air removal of the sterilization chamber is without fault. If the treatment indicator strips or the
treatment indicator sheets are uncoloured or exhibit less colour in the centre of the star in comparison to
the end, air removal was insufficient. In such a case, please consult the stockist customer services of the
customer services / authorized stockist.
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