
D-1401 & D-1402 Portable Metering System Installation and Operation Guide • 03-17
9
ONICON’ s D-1401 / D-1402 Insertion
Turbine Flow Meter measures the
velocity of flowing liquids by counting
the frequency at which the blades of a
rotating turbine pass a fixed electrode.
Circuitry within the flow meter
electronics enclosure then converts the
rotational rate to a frequency output.