Case Study: Compatibility of Lighthouse particle counters with vaporized hydrogen peroxide

6-Jan-2022

Evaluating the durability of Lighthouse Worldwide Solutions’ ApexZ3 and ApexR5p in a cleanroom where live microorganisms are processed and then decontaminated with Vaporized Hydrogen Peroxide

The purpose of this case study was to evaluate the durability of Lighthouse Worldwide Solutions’ ApexZ3 and ApexR5p in a cleanroom where live microorganisms are processed and then decontaminated with Vaporized Hydrogen Peroxide (VHP). When exposed to VHP, the equipment needed to be able to deliver accurate readings while maintaining its integrity.

VHP cycles started on April 6 and ended on June 17. The equipment was checked on April 5 upon installation, May 17 in the middle of the study, and on June 20, at the end of the study. The ApexZ3 was exposed to 28 cycles of VHP. The ApexR5p was exposed to 23 cycles of the VHP. While this study was conducted over the span of 3 months, the number of VHP cycles is indicative of the number of cycles run in 6 months.

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