AT904 Automated Filter Tester is designed for a stand- alone tester to check a few filters per day or need to integrate your tester in an automated, high-volume, high-volume production line. It has proven track records of durability, reliability, and minimal maintenance, meeting the demanding requirements of manufacturing and quality control environments in the past ten years. It equipped with two sets specially designed aerosol generators enable highly repeatable and reproducible filter-efficiency measurements. It features a high degree of automation and self-diagnostics that greatly simplifies operation, increases throughput, and improves overall measurement performance. As a result, HY9010 filter tester is ideally suitable for QC testing.