METHOD TO MANUFACTURE PIEZOELECTRIC PRESSURE GAUGE Russian patent published in 2012 - IPC G01L9/08 

FIELD: instrument making.

SUBSTANCE: piezoelements with electrodes are placed between a base and a force-transferring element. The produced piezopacket is tightened with an effort in a thin-walled jacket, which is coupled and welded along the perimeter at one end to the base, and at the other one - to the force-transferring element. Prior to assembly of the piezopacket each piezoelement it comprises is exposed to static mechanical loading with pressure individual for each piezoelement and exceeding pressure, to which piezoelements are exposed when tightened into the piezopacket.

EFFECT: increased accuracy of measuring slowly rising preset values of static pressures.

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