A two-coil mutual inductance pressure transducer is made of a ferromagnetic Main hooked up into the diaphragm, with a Major coil and two secondary windings. The AC-driven Main coil generates an induced current within the secondary choose-up coils. The new DPS5000 I2C from Druck, Component of the UNIK5000 spouse and https://controltechme.com/pressure-transducers/