CPC G01M 3/3209 (2013.01) [G01M 3/3272 (2013.01)] | 20 Claims |
1. An apparatus comprising:
an adapter configured to connect to a ventilation plug, the adapter comprising:
an outer casing comprising an inner wall;
an inner assembly, bounded by the inner wall and comprising a cavity, wherein the cavity is configured to hold a protrusion of the ventilation plug, and wherein the inner assembly comprises a plurality of ducts in a linear arrangement; and
an O-ring disposed around an edge of the inner wall;
wherein the adapter forms an airtight chamber when the outer casing is fit over the ventilation plug and the O-ring is compressed between the inner wall and a gripping section of the ventilation plug.
|