Endress+Hauser Deltabar PMD75B HART, Руководство пользователя

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Deltabar PMD75B HART Installation
Hauser 17
5.2.2 Level measurement
Level measurement in open vessels
–
+
min.
p
atm
4
5
p
atm
2
3
6
1
A0038215
1 Measuring device
2 Three-valve manifold
3 The low-pressure side is open to atmospheric pressure
4 Drain valve
5 Separator
6 Shutoff valve
• Mount the measuring device below the lower measuring connection so that the piping is
always filled with liquid
• The low-pressure side is open to atmospheric pressure
• 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 vessel
–
+
min.
5
4
2
1
3
–
max.
A0038217
1 Shutoff valve
2 Measuring device
3 Three-valve manifold
4 Separator
5 Drain valves
• Mount the measuring device below the lower measuring connection so that the piping is
always filled with liquid
• Always connect the low-pressure 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