| 摘要 |
This invention relates to a pressure measuring instrument, as well as a dedicated liner, especially for subsea use and adapted for coupling to a pressurized medium in a container or pipe through at leas tone opening therein and thus measure the pressure in the medium at this location, wherein the pressure measuring instrument is provided with at least one insertion part for positioning in said opening, the insertion part comprising a outward protruding liner, said liner being rotatably coupled to the insertion part and having an inner cylindrical or conical surface and an outer cylindrical or conical surface, said inner and outer surfaces having non-coinciding parallel or essentially parallel centre axis. |
