Deltabar S FMD77, FMD78, PMD75 with FOUNDATION Fieldbus
Installation
Hauser
17
Level measurement in a closed container with PMD75
P01-PMD75xxx-11-xx-xx-xx-004
Fig. 11:
Measuring arrangement for level measurement in a closed container with PMD75
1
Shutoff valves
2
Deltabar S, PMD75
3
Separator
4
Drain valves
5
Three-way valve manifold
• Mount the Deltabar S below the lower measuring connection so that the pressure piping
is always filled with liquid.
• Always connect the impulse piping of negative side above the maximum level.
• When measuring in media with solid parts, such as dirty liquids, installing separators and
drain valves is useful for capturing and removing sediment.
Level measurement in a closed container with FMD77
A0024163
Fig. 12:
Measuring arrangement for level measurement in a closed container with FMD77
1
Shutoff valve
2
Separator
3
Drain valve
4
Deltabar S, here FMD77
• Mount the Deltabar S directly on the container.
23, Section 4.3.5 "Seal for flange
• Always connect the impulse piping of negative side above the maximum level.
• When measuring in media with solid parts, such as dirty liquids, installing separators and
drain valves is useful for capturing and removing sediment.
+
–
➀
➂
➃
➄
➁
➀
➂
➃
min.
max.
+
–
min.
max.
1
2
3
4