170 FLOWSIC600 · Technical Information · 8010125 V 4.0 · © SICK AG
Maintenance
Subject to change without notice
Enter the gas composition and specify temperature and pressure for your specific
application.
Click the "Calculate" button.
If the SOS calculator was started from the Maintenance Report, the calculated value is
automatically copied to the corresponding field in the wizard and to the report.
Compare the theoretical SOS with the SOS measured by the FLOWSIC600 (see
Figure 80, main system bar).
The deviation between both should be less than 0.1%. If the deviation exceeds 0.3%,
check the plausibility of temperature, pressure and gas composition. Otherwise proceed
according to
pg. 169, 6.2.1.
It is possible to set up a user warning to continuously monitor for a deviation between a
theoretical SOS (written to the meter e.g. by a flow computer) and the current measured
SOS. See -> Section Commissioning, Optional setup of user warnings.
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