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The Crosstex AirView II Bowie Dick Test Pack is a single use test designed to detect the presence of residual air in pre-vacuum steam sterilizers operating at 134°C for 3.5 minutes. The indicator sheet within the AirView II Bowie Dick Test Pack will demonstrate a uniform color change from blue to dark brown/black when proper sterilization conditions are met and no air is present.
The Bowie-Dick Test ensures all air is removed from a Class B pre vacuum sterilizer and that there are no air leaks in the system. If all of air the chamber is not removed, this will prevent the steam from reaching all surfaces of the items and therefore, not sterilizing all contents.
The Bowie-Dick test should be carried out each day the sterilizer is used, before the first processed load. A shortened cycle (i.e. a cycle omitting the drying phase) should be run first to properly heat the sterilizer. If the sterilizer vacuum performance is acceptable, the sheet inside the test pack will show a uniform color change. If any air has not been removed from the chamber, the entrapped air will cause a spot to appear on the test sheet, due to the inability of the steam to reach the chemical indicator. Each pack contains a simple and easy to read test sheet that can be stored for record keeping.