The temperature sensor appears to be a PT100 sensor, which normally requires a PT100 amplifier for interface to Arduino, like this one.
It is completely separate from the pressure sensor, which is an active IC, evidently with its own ground lead.
The temperature sensor appears to be a PT100 sensor, which normally requires a PT100 amplifier for interface to Arduino, like this one.
It is completely separate from the pressure sensor, which is an active IC, evidently with its own ground lead.