Then, the BI is incubated for a visual color change readout at 48 hours. After the steam sterilization process, the BI is activated to join the growth media with the processed spore strip. When processed, the chemical process indicator changes from rose to brown/black. The spore strip and media ampoule are contained in a plastic vial topped with a brown color-coded cap which includes a chemical process indicator on the label.
The 1592 BI is a single-use device composed of a. indicator (BI) specifically designed for rapid and reliable qualification testing and routine monitoring of 250☏ (121☌) dynamic-air-removal and gravity displacement steam sterilization.
#3m attest spore testing software
Log date/time/results at 24 and 48 hours. 3M Attest Auto-reader 490 having software version 4.0.0 or greater, the 3M Attest. This self-contained biological indicator (BI) consists of a Geobacillus stearothermophilus spore strip and a sealed glass ampoule with growth medium and a bromocresol purple pH indicator system. Place the activated sterilized spore carpule (test carpule) AND an activated unsterilized spore carpule (control) into the the Attest incubator. The ISO 11138-1:2017 and ISO 11138-3:2017 compliant 3M™ Attest™ Steam Biological Indicator, 1262/1262P, monitors the effectiveness of the steam sterilization process for 250☏/121☌ gravity displacement and 270☏/132☌ vacuum-assisted steam sterilization cycles and provides a final result in 48 hours. The 3M™ Attest™ Steam Biological Indicator, 1262/1262P, Brown Cap, monitors 250☏/121☌ gravity displacement and 270☏/132☌ vacuum-assisted saturated steam sterilization cycles and provides a final result in 48 hours.
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