Norgren 34D Series Pressure Sensor 34D-P400G-DD1-AA for Industrial Pneumatic Automation The Norgren 34D Series Pressure Sensor 34D-P400G-DD1-AA is designed for industrial pressure monitoring and pneumatic automation applications. It helps provide pressure-related information for equipment supervision, process monitoring, and automated control. In industrial environments where consistent pneumatic operation is essential, pressure sensing supports better operational awareness