One-pipe, direct-or reverse-acting pressure sensor used with RP908/RP920 Controllers to provide control of duct static, velocity, or differential pressure in airflow applications. Replacement devices available for Johnson, Powers, Robertshaw,etc.

Clark Solutions announces the availability of the company's 699 Series Differential Pressure Indicators and Transmitters featuring proven ceramic sensor technology. 699 Series features field selectable full scale ranges starting at 0.1" w.c.