12.For the lower range value 0 bar, check the zero point (4 mA).
If the dierential pressure lines ⑤ have equally high condensate columns with the same
temperature, the measurement result is error-free. Otherwise, repeat the zero-point
adjustment.
13.Close the stabilizing valve ②.
14.Fully open the dierential pressure valves ③ and ④.
Cleaning process cable
1. To clean the line, briey open the drain valves ⑦.
2. Close the drain valve ⑦ before vapor escapes.
Commissioning
6.3 Application examples
SITRANS P320/P420
54 Compact Operating Instructions, 01/2021, A5E38874562-AC
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