| 摘要 |
<p>The cell (1) has a testing chamber including a connection (8) connected to a pipe (2), and a viewing window (22) provided in an outer wall. The connection is provided with an outer thread (10) for connection to a connecting piece of the pipe. An inner tube (14) extends away from a test area (12) over the connection such that the connection is protruded to the connected pipe. Outer side of the cell is formed in a region of the viewing window for mounting a camera (24). The viewing window extends parallel to central axis of the connection.</p> |
