9 Measurement
FLUXUS F501 9.4 Display of measured values
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UMFLUXUS_F501V1-3EN, 2020-06-30
Status line
Important information of the running measurement is summarized in the status line. Quality and precision of the running
measurement can be evaluated accordingly.
Press key during the measurement to scroll through the upper line to the status line.
Fig. 9.2: Display of the status line
Tab. 9.5: Description of the status line
value explanation
S signal amplitude
0
…
9
< 5 %
…
≥ 90 %
Q signal quality
0
…
9
< 5 %
…
≥ 90 %
c sound speed
comparison of the measured and the expected sound speed of the fluid
The expected sound speed is calculated from the fluid parameters.
√ OK, is equal to the expected value
↑ > 20 % of the expected value
↓ < 20 % of the expected value
? unknown, cannot be measured
R flow profile
information about the flow profile based on the Reynolds number
T fully turbulent flow profile
L fully laminar flow profile
↕ transition range between laminar and turbulent flow
? unknown, cannot be calculated
F flow velocity
comparison of the measured flow velocity with the flow limits of the system
√ OK, the flow velocity is not within the critical range
↑ the flow velocity is higher than the current limit
↓ the flow velocity is lower than the current cut-off flow
0 the flow velocity is within the limit range of the measuring method
? unknown, cannot be measured
S3 Q9 c RT F↓
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