Paddlewheel Flow Sensors

The 600 paddlewheel flow sensor generates a velocity-dependent signal as the fluid turns the rotor. It can be paired with a compatible indicator or totalizer. Selection depends on flow velocity, wetted materials, fittings and installation conditions.

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Model: 600 Series
Category: Flow

SPECIFICATIONS

Technical specifications

Parameter	Specification	Unit
Flow velocity range	0.3–6	m/s
Output frequency	19 Hz per m/s
Signal amplitude	Approximately 3.3 Vp-p per m/s
Sensor excitation power	Not required; connected displays or converters have separate power requirements
Repeatability	±0.5% of full scale over 0.3–6 m/s
Materials and temperature	Select sensor head, rotor, shaft, bearing and seal materials and verify their temperature compatibility

Application and selection notes

Flow conversion requires the actual pipe inside diameter and calibration data for the fitting.
Check full-pipe operation, straight runs and free rotor movement; assess maintenance needs for solids or scaling fluids.
A self-generating sensor does not mean that the complete display or control system needs no power.

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