Accuracy deviation in YSJ-B1 pressure transmitter? This article explains in detail the calibration methods for diffused silicon liquid and gas pressure sensors, covering calibration procedures for models such as S-10, PM-PM320, and PD-PD50. Through practical case studies from chemical industry projects, it shares how to resolve a ±1.2%FS measurement error, and provides wiring diagrams, measurement ranges, and service life maintenance recommendations. Learn professional calibration techniques to restore 0.25 accuracy class for your VP-VP451, PT-A, and other equipment!