Since 1905, Johnson Controls has provided the highest quality control dampers and controls that fit your application and size requirements.
Johnson Controls presents the RA-2000 Airflow Measuring System with a one-piece ABS plastic flow sensing cross with a 16 inch (406 mm) diameter or less, and a two-piece anodized aluminum extrusion sensing tube with an 18 in. (457 mm) diameter and larger.
Refer to the RA-2000 Airflow Measuring System Product Bulletin (LIT-1201677) for important product information.