Steam Sterilization Products The Helix Test confirms air evacuation, steam entrance, introduction levels and profound vacuum accomplishment important for the cleansing of empty lumen instruments. The test is intended to be utilized as a part of every disinfection cycle as a free control Device. The Helix pcd Test is a reusable gadget went with single utilize concoction pointer strips. The pointer strips will change shading from pink to dark when presented to proper steam sanitization conditions. The glue marker strips can be utilized for record keeping.