Product Description

The 3990 is a forward light-scattering, linear digital photometer. The primary application for the 3990 is integrity/leak testing of HEPA/ULPA filtration systems with a compact and light weight, rugged die cast construct, easy to work, portable and friendly large bright true color 5.6 inch LCD providing ease of operation and readability. Because of the Aerosol Noise Suppression function, the testing data will be more stable.