The QPSH-AP-42 is a digital pressure sensor from the ProSense series, featuring a measurement range of -14.5 to 145 PSIG. It offers multiple output options including switch (N.O./N.C.) with PNP selectable configuration, a secondary switch output (N.O./N.C.), and an analog 4-20 mA output. The device comes with a 1/8 inch male NPT process connection for easy installation.