Mesa Laboratories, Inc.

- Biological Indicator

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ProTest is a self-contained Biological Indicator for use in either Steam or Ethylene Oxide (EO) sterilization. Each unit is made up of a plastic container with cap, a crushable glass ampoule with recovery media, and a paper strip inoculated with spores. ProTest is available for healthcare and industrial use.

Control

The control unit should exhibit turbidity and/or a color change to or toward yellow. If the control unit does not show signs of growth, consider the test invalid.

Test

A failed sterilization cycle is indicated by turbidity and/or a color change to or toward yellow. A test unit that retains its original color (green for ProTest EO and purple for ProTest Steam) indicates that sterilization parameters have been met.

Additional Product Information

Technical Specifications for ProTest Steam (Purple)

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