3.3 Mounting position
Vertical mounting:
This is the recommended position with
the flow upwards. Entrained solid
particles sink and fatty components in
the stationary fluid rise away from the
measuring electrodes. This is the
optimal position in empty pipe system
and when using Empty Pipe Detection
(see page 73).
Horizontal mounting:
The axis of the electrodes must be
horizontal, thus preventing brief insula-
tion of the electrodes by entrained air
bubbles.
Electrode axis:
The plane in which the electrode axis
lies with regard to the transmitter is
identical for the Promag A, H and F
sensors.
Inlet and outlet sections
The sensor should by mounted away
from fittings such as valves, T-pieces,
elbows, etc.
Inlet section: ≥ 5 x DN
Outlet section: ≥ 2 x DN
The inlet and outlet sections must be
observed in order to maintain accuracy.
ba009y10
Measuring
electrodes
Electrode axis
(Example Promag F)
ba009y09
Fig. 10
Mounting position (horizontal,
vertical)
≥ 5 x DN ≥ 2 x DN
ba009y12
Fig. 11
Inlet and outlet sections
3 Mounting and Installation Promag 33
12 Endress+Hauser
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