A two-coil mutual inductance pressure transducer contains a ferromagnetic core connected on the diaphragm, using a Major coil and two secondary windings. The AC-powered primary coil generates an induced current during the secondary choose-up coils. The brand new DPS5000 I2C from Druck, part of the UNIK5000 household, gives built-in electronic https://controltechme.com/pressure-transducers/