WP201D Mini Size Differential Pressure Transmitter is a cost-effective T-shaped pressure difference measuring instrument. High precision & stability DP-sensing chips are configured inside bottom enclosure with high & low ports extend from both sides. It can be also used to measure gauge pressure through connection of single port. The transmitter can output standard 4~20mA DC analog or other signals. Conduit connection methods is customizable including Hirschmann, IP67 waterproof plug and ex-proof lead cable.