1-Hour readout Biological Indicator for 132°C (270°F) 4-minute and 135°C (275°F) 3-minute Vacuum-Assisted Steam Sterilization cycles (Brown Cap)
The 3M™ Attest™ Super Rapid Readout Biological Indicator 1492V is a self‑contained biological indicator specifically designed for rapid and reliable qualification testing and routine monitoring of 270°F (132°C) and 275°F (135°C) dynamic‑air‑removal (pre‑vacuum) steam sterilization processes when used in conjunction with the 3M™ Attest™ Auto‑reader 490. The self‑contained design includes a carrier with spores of Geobacillus stearothermophilus and a media ampoule containing bacteriological media. The spore carrier and media ampoule are contained in a plastic vial topped with a brown cap. A chemical process indicator which changes from pink to light brown upon exposure to steam is located on the top of the cap. After processing, the biological indicator is activated and incubated in the 3M™ Attest™ Auto-reader 490. A final negative reading after 1 hour of incubation indicates an acceptable sterilization process.