TECHNICAL DESCRIPTION ULTRAFLOW
®
54 and 34
5512-385 GB/02.2014/Rev. H1
37
8.4 Signal paths
8.5 Measuring sequences
During flow measuring ULTRAFLOW
®
passes through a number of sequences, which are repeated at fixed intervals.
Deviations only occur when the meter is in test mode and connecting the supply during initialization/start-up.
The difference between the main routines in normal and verification mode is the frequency of the measurements,
on which pulse emission is based.
It may take up to 16 seconds to obtain correct function after a power cut.
Figure 27. q
p
2.5…100 m³/h
Triangle
The sound path covers the
measuring pipe in a triangle and
sound is sent from the
transducers round the measuring
pipe via reflectors.
Figure 26. q
p
0.6…1.5 m³/h
Parallel
The sound path is parallel to the
measuring pipe and sound is
sent from the transducers via
reflectors.
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