Installation configuration for gases
Install the pressure transmitter above the pressure sampling point.
Lay the pressure tubing with a constant gradient to the pressure sampling point, so that any
condensation produced can drain in the main line and thereby avoid corruption of the measured
values.
Installation configuration for vapor and liquid
Install the pressure transmitter below the pressure sampling point.
Lay the pressure tubing with a constant gradient to the pressure sampling point so that any
gas pockets can escape in the main line.
4.2.2 Installation (except level)
Mounting location
Verify that the mounting location meets the following conditions:
● Accessible
● Close to the measuring point
● Vibration-free
● Within the permitted ambient temperature values
Protect the pressure transmitter from:
● Direct heat radiation
● Rapid temperature fluctuations
● Heavy contamination
● Mechanical damage
● Direct sunlight
Requirement
● You have compared the desired operating data with the data on the nameplate.
● You have adhered to the information on the remote seal during its installation.
Installing/mounting
4.2 Installation (except level)
SITRANS P320/P420 with 4 to 20 mA/HART
26 Compact Operating Instructions, 09/2018, A5E38874562-AB
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