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3. Anemometer calibration methods
Like all measuring instruments, anemometers need to be calibrated before use.
Calibration methods are based on two main principles:
calibration using a primary means of materializing the speed quantity;
calibration by comparison with a reference instrument connected to national standards.
The principle behind the various calibration methods is explained below.
3.1 Primary method calibration
The principle is to create a device that enables speed to be measured directly from measurements of primary physical quantities. Only four methods are recognized.
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Bibliography
Standards and norms
- ISO Measurement of fluid flow in closed conduits – Method of exploring the velocity field using double Pitot tubes. - ISO 3966 - 2008
- NF Measurement of fluid flow in closed conduits – Method of exploring the velocity field using double Pitot tubes. - NF X 10-112 - 1977
- ISO Meteorology – Sonic anemometers/thermometers – Acceptance test methods for mean wind speed measurements. - ISO 16622 - 2002
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