BBR [India] Pvt. Ltd. Offers Permeability Tester with User-Friendly Menu System. BBR [India] Pvt. Ltd. Is an ISO 9001 - 2000 certified company. In Permeability Tester with User-Friendly Menu System under the trade name Torrent, the permeability of concrete at the surface is a major factor determining the durability of concrete structures. The permeability coefficient which is determined completely non-destructive by the instrument correlates well with the results of destructive methods that give information on the ingress of harmful substances. In Permeability Tester with User-Friendly Menu System, there is a two-chamber vacuum cell provides exactly defined measurement of cover concrete to determine durability. A pressure regulator assures accuracy by eliminating atmospheric airflow to the measuring chamber. Data is automatically collected by the display unit. Measurements can be transferred to a printer or to a PC for detailed analysis and evaluation.