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Commissioning
8.3 Differential pressure and flow rate
SITRANS P500 with HART
180
Operating Instructions, 12/2014, A5E02344528-09
Procedure
To commission the pressure transmitter for gases, proceed as follows:
1.
Open both the shut-off valves
⑥
at the pressure tapping point.
2.
Open the stabilizing valve
②
.
3.
Open the differential pressure valve (
③
or
④
).
4.
Check and, if necessary, correct the zero point when the start-of-scale value is 0 kPa
(4 mA).
5.
Close the stabilizing valve
②
.
6.
Open the other differential pressure valve (
③
or
④
).
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