Deltabar PMD75B HART
Installation
Hauser
19
• Mount the measuring device above the measuring point so that the condensate can flow
into the process piping
• The negative side is open to atmospheric pressure via the reference air filters screwed
into the LP side flange
5.2.4
Differential pressure measurement
Differential pressure measurement in gases and vapors
+
1
2
3
4
A0043423
1
Measuring device
2
Three-valve manifold
3
Shut-off valves
4
e.g. Filter
Mount the measuring device above the measuring point so that condensate can flow into
the process piping.
Differential pressure measurement in liquids
1
5
6
3
4
+
2
A0038220
1
e.g. Filter
2
Shut-off valves
3
Measuring device
4
Three-valve manifold
5
Drain valves
6
Separator
• Mount the measuring device below the measuring point so that the piping is always
filled with liquid and gas bubbles can run back into the process piping
• When measuring in media with solid parts, such as dirty liquids, installing separators
and drain valves is useful for capturing and removing sediment
