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Reference Manual
00809-0100-4444, Rev AC
Section 1: Introduction
January 2015
Introduction
Figure 1-3. 8705 Cross Section
The flow sensor contains two magnetic coils located on opposite sides of the sensor. Two
electrodes, located perpendicular to the coils and opposite each other, make contact with the
liquid. The transmitter energizes the coils and creates a magnetic field. A conductive liquid
moving through the magnetic field generates an induced voltage at the electrodes. This voltage
is proportional to the flow velocity. The transmitter converts the voltage detected by the
electrodes into a flow reading.
1.2 Safety messages
Procedures and instructions in this manual may require special precautions to ensure the safety
of the personnel performing the operations. Refer to the safety messages listed at the
beginning of each section before performing any operations.