The WP435B type Sanitary Flush pressure transmitter is assembled with imported high-precision and high-stability anti-corrosion chips. The chip and the stainless steel shell are welded together by a laser welding process. There is no pressure cavity. This pressure transmitter is suitable for pressure measurement and control in a variety of easily blocked, hygienic, easy to clean or aseptic environments. This product has a high working frequency and is suitable for dynamic measurement.