Installation Deltabar M 4...20 mA HART
6 Endress+Hauser
Level measurement in a closed container with superimposed steam
• Mount the Deltabar M below the lower measuring connection so that the impulse piping is
always filled with liquid.
• Always connect the low-pressure above the maximum level.
• A condensate trap ensures constant pressure on the low-pressure.
• When measuring in media with solid parts, such as dirty liquids, installing separators and drain
valves is useful for capturing and removing sediment.
2.1.3 Installation position for differential pressure measurement
Differential pressure measurement in gases and steam
• Mount the Deltabar M above the measuring point so that the condensate which may be
present, can run off into the process piping.
Differential pressure measurement in liquids
• Mount the Deltabar M below the measuring point so that the impulse 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.
2.2 Post-installation check
After installing the device, carry out the following checks:
• Are all screws firmly tightened?
• Are the housing covers screwed down tight?
• Are all locking screws and vent valves firmly tightened?
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