主权项 |
1. A sensor cover for an inspection assembly, said inspection assembly being configured to inspect the interior of a hollow member, said hollow member being at least partially filled with a hollow member fluid, said hollow member comprising a hollow member wall defining a hollow member duct, said sensor cover comprising connection means for connection to a sensor of said inspection assembly to cover at least a portion of said sensor, said sensor being configured to receive a sensor signal and said sensor cover being configured to transmit said sensor signal;
said sensor cover being sized and configured to, at least during a sensor operation procedure, be accommodated in said hollow member; and said sensor cover constituting a fluid displacement means configured to take the place of a portion of said hollow member fluid to enable said sensor signal to be transmitted from said hollow member wall to said sensor. |