DEVICE FOR MEASURING PRESSURE Russian patent published in 2006 - IPC G01L11/02 

FIELD: measuring technique.

SUBSTANCE: pressure measuring device has main fiber-optic detector and additional detector where sensitive membrane and illuminating and receiving channels are disposed; both channels are made in form of light guides. Illuminating channel of additional detector is connected with illuminating channel of main detector to provide irregular lay-out of bundle of light guides. Additional detector is isolated from environment pressure and is accessible for temperature influence of environment.

EFFECT: improved precision of measurement within wider temperature range.

1 dwg