Sterintech Steam Biological Indicator (20 Minutes)
Biological indicators are designed to check quickly whether sterilization has been effective. They consist of a plastic capsule and a vented cap that sits on top; the cap lets the sterilant in, while a filter paper in between prevents contamination. Inside the capsule is a crushable ampoule whose growth medium changes colour when bacteria grow. The bottom of the capsule contains Geobacillus stearothermophilus spores. When used with an automatic reader at 56–60 °C, it gives results with 20-minute, 1-hour, 3-hour and 24-hour options. The outside of the capsule also carries a Type 1 chemical indicator strip.
Technical Information
Biological indicators are designed to check quickly whether sterilization has been effective. They consist of a plastic capsule and a vented cap that sits on top; the cap lets the sterilant in, while a filter paper in between prevents contamination. Inside the capsule is a crushable ampoule whose growth medium changes colour when bacteria grow. The bottom of the capsule contains Geobacillus stearothermophilus spores. When used with an automatic reader at 56–60 °C, it gives results with 20-minute, 1-hour, 3-hour and 24-hour options. The outside of the capsule also carries a Type 1 chemical indicator strip.
STEAM 20 MIN
- Process: Steam
- Test organism: Geobacillus stearothermophilus
- Spore Population: 10⁶ spores / carrier
- Label Colour Change: Initial: yellow → Final: black
- Medium Colours: Positive: yellow; Negative: purple
- Shelf Life: 24 months
- ISO 11138
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