Dear all,

I've observed many clues of the negative impact of the filling oil on the
functionality of my pressure sensors. By switching on the supply voltage
and driving a temperature cycle the zero point drifts away. I guess it must
have something to do with the charge transport, i.e. a polarization of the
oil. I'm eager to find out what really the causes are, but unfortunately
coundn't find any related information from the internet.

Perhalps some of you already have experiences with that or know any
links/works that could assist me further.

I'll appreciate any help a lot.

Cheers,
Anh Tuan