Siemens SITRANS P310 Kompaktbetriebsanleitung Seite 26

1. Open the shut-off valve for the test connection
2. Via the test connection of the shut-off valve
①
pressure transmitter
3. Check the start of scale value.
4. If the start of scale value differs from the value desired, correct it.
5. Close the shut-off valve for the test connection
6. Open the shut-off valve
7. Open the shut-off valve for the process
5.4 Differential pressure and flow rate
5.4.1 Safety notes for commissioning with differential pressure and flow rate
WARNING
Incorrect or improper operation
If the lock screws are missing or are not sufficiently tight, and/or if the valves are operated incorrectly or improperly, it could
lead to serious physical injuries or considerable damage to property.
Measure
Make sure the locking screw and/or the vent valve are screwed in and tightened.
•
Ensure that the valves are operated correctly and properly.
•
SITRANS P310 with HART
A5E35075329-01, 05/2015
④
②
, apply the pressure corresponding to the start of scale value to the
.
④
⑥
at the pressure tapping point.
③
.
.
.
25