KEYENCE Compact Digital Pressure Sensor: AP-C30K Series","The AP-C30K Series digital air pressure sensors incorporate a very easy-to-see, two-color LED display, as well as superior functionality. This series includes the highest resolution in its class, making highly repeatable pressure detection possible. This replacement for mechanical pressure gauges features a unit conversion function, allowing the pressure to be displayed in any of four pressure units. Additionally, a rotary pressure port provides 180° rotation for ease during installation.