A widely used method to inactivate bio-contamination on surfaces in GMP controlled areas is sporicidal gassing using vaporized hydrogen peroxide (VHP). This decontamination process uses a free radical reaction to kill microorganisms on surfaces. VHP is a powerful oxidizing agent and if accidentally drawn into a particle counter it can potentially damage or contaminate the instrument optics. This accidental damage can result in false particle counts, calibration errors or a complete particle counter malfunction. To address the issue of accidental exposure, TSI offers a range of VHP-resistant remote particle counters utilizing VHP resistant coatings and materials.
The TSI family of VHP-resistant AeroTrak® Remote Particle Counters is ideal for GMP manufacturing applications where accidental VHP exposure can occur. Integration is easy using Ethernet (TCP/IP) and serial Modbus RTU communications. The instrument can be powered over its Ethernet connection (Power-over-Ethernet) to simplify installation, or via a local power supply. Configuration can be done locally with a PC or via a web browser.
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