The Yokogawa AAI143-H50/K4A00 is a flange-mounted absolute pressure transmitter from the DPharp EJA-E Series. It is designed for high-accuracy absolute pressure measurement in demanding industrial applications such as vacuum systems, distillation columns, and high-pressure processes. The transmitter features Yokogawa's single-crystal silicon resonant sensor technology, ensuring exceptional long-term stability and reliability. The model suffix /K4A00 indicates specific configuration options, typically including Hastelloy C276 diaphragm material and standard calibration, ensuring compatibility with corrosive process media.