What must a flow meter installation ensure for accurate measurements?

For accurate measurements, a flow meter installation must ensure proper orientation, correct mounting position, and adequate straight run. This is crucial because the flow meter needs to be installed in a way that allows fluid to flow uniformly and without disturbances.

Proper orientation refers to the alignment of the flow meter according to the manufacturer's specifications, which can include specific angles or positions that prevent issues like air pockets or turbulence. The correct mounting position helps minimize the effects of vibrations or other mechanical interferences that could affect the accuracy of the readings.

Adequate straight run refers to the requirement for a section of pipe before and sometimes after the flow meter that is free from bends, valves, or other fittings that can disrupt the flow pattern. This ensures that the flow is laminar and stable when it enters the meter, which is essential for obtaining reliable measurements.

Consequently, adherence to these installation guidelines directly impacts the reliability and accuracy of the flow measurements obtained from the flow meter.