Vega VEGAPULS 56K, Инструкция по эксплуатации

Страница: 37 / 72

VEGAPULS 56K 37
Pipe antenna: The surge pipe open to the bottom
must have a ventilation or compensation hole on top
The polarisation direction is in one pane with the
hole. The sensor must be directed with the hole to
the rows of holes or the openings.
Correct
Wrong
Mounting and installation
Pipe antenna systems must be provided with a
vent at the upper end of a surge pipe. A miss-
ing hole causes wrong measurements.
Wrong polarisation direction
When measuring in a surge pipe, especially
when there are holes for mixing, it is important
Hole
that the radar sensor is directed to the rows of
holes. The two rows of holes of the surge pipe
displaced by 180
°
must be in one pane with
the polarisation direction of the radar signals.
The polarisation direction is in one pane with
the hole.