This article provides a detailed analysis of the HX-131 pressure transmitter calibration method，covering the standard operating procedures for diffused silicon liquid and gas pressure sensors of models such as DTT01、KRS316、YP-P2。From core principles to step-by-step guidance，including zero-point calibration、full-scale calibration and typical troubleshooting for equipment such as ES-20，helping you improve measurement accuracy。Specially provides IP-B pressure transmitter wiring key points and SK-2031 maintenance interval recommendations，with an explanation of the advantages of professional calibration services。