Terragene® manufacture different presentations of Bowie & Dick Test Packs according to the market demands and regulations.
Place the Bowie & Dick Test Pack horizontally with its label facing up in an empty vacuum-assisted sterilizer chamber, in the bottom/front of the sterilizer rack, and over the drain.
Run the corresponding Bowie & Dick cycle.
After completing the cycle, retrieve and examine the chemical indicator sheet.
This indicator changes from yellow to dark brown/black when processed. Any unexpected color change, such as lighter areas in the center of the sheet or different colors in the edges (i.e., a non-uniform color change) indicates an air pocket during the cycle due to sterilizer malfunction. Some examples below: