IDM ¦ Technology/IT
The multifrequency technology compensates for errors that result from homogeneous entrained gas.
Determining overrun levels
The Promass Q multifrequency technology
not only makes it possible to eliminate mass
flow measurement discrepancies with fluids.
It can also precisely measure the overrun in
other products where various gases are infused,
such as cream cheese or ice cream. In
this case manufacturers strive to create an
especially light and fluffy consistency, such
as in cream cheese.
In environments where experience
served as the basis for entrained gas values
and the amount of gas was adjusted
after drawing samples – after all, raw milk
is subject to certain fluctuations – overrun
can now be measured with a high degree
of accuracy. This in turn helps reduce fluctuations
Raw milk quantities are measured in units of mass.
in the quality of the end product.
The Promass Q has repeatedly demonstrated
its suitability for measuring overrun.
Users were able to monitor and regulate
the entrained gas levels in the process
by means of density measurements, thus
preventing off-spec batches or fluctuations
in product quality.
Digital communications
interfaces and internal selftest
function
Beyond the sensor with its multifrequency
technology, the electronics is what makes
it easy to integrate the Promass Q into
existing systems. In combination with the
new Proline 300/500 transmitter variant,
the sensor is capable of forwarding the
signals via a wide range of digital communications
technologies such as Profinet,
which also helps support the digitalization
strategies for the production processes.
In addition, the Heartbeat internal testing
function offers a key way to simplify
quality management. Companies that operate
according to ISO 9001, IFS or other
certification standards are frequently required
to calibrate and/or verify critical
measurement points. And this is precisely
where the internal, TÜV-certified verification
function comes into play. This feature
determines the status of the instrument,
with a likelihood of 94 percent, and delivers
a clear indication of whether the device
is still measuring within specifications
30 · May/June 2021 ¦ international-dairy.com
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