Siemens SITRANS P DS III Kompaktbetriebsanleitung Seite 29

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
5.3.2 Commissioning with steam or liquid
①
Pressure transmitter
②
Shut-off valve
③
Shut-off valve to process
④
Shut-off valve for test connection or for bleed screw
⑤
Pressure line
⑥
Shut-off valve
⑦
Blow-out valve
⑧
Compensation vessel (steam only)
Figure 5-1 Measuring steam
Requirement
All valves are closed.
Procedure
To commission the pressure transmitter for steam or liquid, proceed as follows:
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
SITRANS P DS III/P410 (7MF4.33.. 7MF4.34.. 7MF4.35..)
A5E03434626-04, 05/2015
④
⑥
at the pressure tapping point.
③
.
④
②
, apply the pressure corresponding to the start of scale value to the
.
④
⑥
at the pressure tapping point.
.
.
.
27