Air Particle Counters Resistant To Vapor Hydrogen Peroxide (VHP)
Source: Beckman Coulter Life Sciences
By Ted Lawrence
The use of Vaporous Hydrogen Peroxide (VHP) is commonplace in the pharmaceutical industry for disinfecting sterile manufacturing cores. Since VHP is a strong oxidizing agent it can be damaging to certain internal components in optically based air particle counting instruments. The MET ONE series of air particle counters have been specifically designed to utilize materials that will not be damaged by exposure to VHP. The testing outlined in this paper demonstrates the resistance of these components and stability of the instrument over an extended period of exposure time.
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