The pressure sensor related to Sencoch dishwasher is applied to the dishwasher, which can accurately detect the water pressure and optimise the washing effect. Its performance advantages are obvious, high measurement accuracy, and it can accurately perceive changes in water pressure; it responds quickly and adjusts washing parameters in time; it has strong stability and reliable long-term work; it has good anti-interference, is not affected by complex environments, and improves the quality of dishwashers.