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The G-Series flow metering systems are the combination
of a high pressure gear meter and a high resolution,
microprocessor based transmitter. While gear meters are
traditionally based on a design similar to a conventional
hydraulic pump, the G Series of flow meters has been
engineered to increase signal resolution, prevent internal
cavitation and greatly reduce the pressure drop required to
move fluid through the gears.
The G-Series transmitter uses modern sensor technology
coupled with advanced signal processing to deliver new
levels of performance and reliability. Solid state sensors are
used to detect the position of a driven magnet inside the
Max flow meter. Changes in position are tracked by a microprocessor, which generates an output
frequency proportional to the flow rate. Advanced signal processing provides both fine angular
resolution (0.36 degrees rotation per pulse) and rapid response (output updated every 1 ms).
The flow meter and transmitter are calibrated at the factory as a matched set. This ensures the
highest accuracy and allows for quick setup in the field. For field installations where the transmitter
has not been setup with a meter at the factory, an optional serial interface kit is available to provide
full access to all configuration options and parameters.
Flow Meter Features
Capable of operating at high pressures (425 bar/6000 psi).
Compatible with a wide range of fluid types and viscosities.
Can operate at high temperatures with a suitable high temperature transmitter.
Transmitter Features
High resolution measurement - Available in four configurations: frequency, Quadrature, Voltage or
Current outputs. Linearization of up to 16 points to fully describe the flow meter’s output curve and
achieve the highest system linearity over the meter’s entire operating range.
Compensation Algorithm - Compensates for variations in Hall sensor and flow meter characteristics
to provide a stable, undamped output that accurately represents the instantaneous flow rate.
Adjustable Anti-Dither Pulse Buffer - Prevents undesired output which can occur at very low
flow rates in the presence of vibration or hydraulic noise. If the meter reverses for less than the
programmed fraction of a revolution and then resumes forward rotation, the output will represent
only the total forward flow. Reverse flow which exceeds the buffered amount will result in an output
proportional to reverse flow rate.
General Description
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