Defining Traditional-Technology Flowmeters
Despite the growth of
new-technology flowmeters, such as Coriolis and ultrasonic, over the past few
years, traditional technology flowmeters are holding their own. Many users are
still selecting differential pressure (DP), turbine, positive displacement, and
other more traditional meter types for their flow measurement applications.
Traditional technology flowmeters share the following characteristics:
As a group, these meters were introduced before the
end of World War II.
They are less the focus of new product development
than new-technology meters.
Their performance, including criteria such as
accuracy, is not at the same level as the performance of new-technology
They generally have higher maintenance requirements
than new-technology flowmeters.
They are slow to incorporate recent advances in
communication protocols, such as HART, Foundation Fieldbus, and Profibus.
technology flowmeters include differential pressure, positive displacement,
turbine, open channel, and variable area. Despite the inherent advantages of
many new-technology meters, end-user demand for traditional meter types remains
strong for a number of interesting reasons.
Shipments of Traditional Technology
Flowmeters Worldwide 2011 – 2016 (Millions of Dollars)
Source: Flow Research,
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