The Probe for Hydrogen Peroxide Environments H2O2 – Rotronic HC2A-S(M)-HH from Rotronic is engineered for accurate, dependable performance, offering measures relative humidity, temperature and dew point, with HYGROMER® HH1-SK sensor for hydrogen peroxide environments, highest possible measuring accuracy, and conforms to GAMP. Hydrogen peroxide (H2O2) is used to sterilize cleanrooms, incubators and other equipment. In this process the air is saturated by gassing or spraying, resulting in the formation of a microfilm on all surfaces. The hydrogen peroxide eliminates microorganisms. The H2O2 is then either recovered mechanically or allowed to decompose naturally over a period of 48 hours to harmless H2O or O2. The humidity level during the application is crucial for the effectiveness of the process. Standard humidity sensors have difficulty measuring accurately in high concentration H2O2 environments. The hydrogen peroxide inhibits measurement of water vapor by occupying the pores on the sensor surface. Rotronic developed a specialized sensor, the HYGROMER® HH1-SK, which extends the sensor lifespan compared with standard sensors for these applications.
