WNK91 is a hygienic pressure transmitter with display. The material, structure, performance, processing (such as welding, polishing, etc.) and cleaning treatment of the hygienic pressure transmitter meet a series of hygienic requirements. This product adopts high-precision silicon pressure core 316L diaphragm or E+H high-precision ceramic capacitive pressure sensor, which has good stability, no dead angle, and anti-clogging. It is suitable for the measurement of liquid and gas pressure. This product is mainly used in food, daily chemical, medical and pharmaceutical, beverage production, brewing and other fields.