In flow measurement, flow meter error is typically reported by a percentage indicating non-linearity of the device. This can be expressed as either a +/- percentage based on either the full range capacity of the device or as a percentage of the actual indicated flow.[1] In practice the flow meter error is a combination of repeatability, accuracy and the uncertainty of the reference calibration.[2]

Error chart % of full scale vs % of reading

References

  1. ↑ "Frequently Asked Questions - Max Machinery". www.maxmachinery.com.
  2. ↑ http://www.flowmeters.co.uk/liquid-flow-meter-performance-specification-glossary/
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