Senex Corporation ® Designers and Manufacturers of Differential Pressure Transducers and Transmitters Senex offers differential pressure transmitters from 0-1" H2O through 5,000 psi in a variety of pressure fittings, wetted materials, and output signals. A key feature of Senex's differentials is fast response while maintaining accuracy. For applications requiring a slower response, damping is offered on all products, as well as adjustable damping on the DPL Series