Chapter 9 Plug-in type electromagnetic flowmeter series
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Chapter 9 Plug-in type electromagnetic flowmeter series
9.1. The functional use and scope of application of the product
The plug-in electromagnetic flow sensor (sensor for short) and electromagnetic
flow converter (converter for short) are matched to form a plug-in electromagnetic
flowmeter (flowmeter for short) for measuring the volume flow of various
conductive liquids in the conveying pipeline.
The sensor has the following characteristics
(1) There are no moving parts in the sensor, which is simple in structure and
reliable in operation.
(2) The plug-in structure can be easily installed and disassembled without
stopping water under low pressure or under pressure. Therefore, it is very
suitable for the fluid measurement of existing pipelines and is convenient for
the maintenance and repair of instruments.
(3) The measurement accuracy is not affected by changes in physical
parameters such as temperature, pressure, density, viscosity, conductivity (as
long as the conductivity is greater than 5) of the measured medium.
(4) The sensor has almost no pressure loss and very low energy loss.
(5) Compared with the ordinary electromagnetic flowmeter, the manufacturing
cost and installation cost are lower and is particularly suitable for flow
measurement of large and medium diameter pipeline.
(6) Adopt advanced low frequency square wave excitation. Zero stability, strong
anti-interference ability and reliable work.
(7) The flow measurement range is large. The full-scale flow rate in the pipeline
under test can be arbitrarily set from 1m / s to 10m / s, and the output signal
has a linear relationship with the flow rate.
(8) The flowmeter is not limited to 0～10mA(DC) or 4～20mA (DC) standard
current output and 1 ~ 5kHz frequency output at the same time.
Because the flowmeter ( sensor ) has the above-mentioned advantages, it has
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