Product information "Calibration at varying air temperature"
Measurements of temperature induced effects are performed in a climate wind tunnel. The whole wind tunnel is placed in an insulated and temperature-controlled chamber. Therefore, temperature induced effects on the whole anemometer can be measured rather than rely on simple assumptions (e. g. for mechanical anemometers temperature is only influencing bearing friction).
For the standard procedure the measurement is performed at an air velocity of about 4 m/s to 15.5 m/s with 2 m/s increments. The air temperature is varied from -20 °C up to +40 °C. The measurements are performed at ambient pressure and normally with temperature increments of 5 °C.
On customer request the measurements can also be performed for a reduced temperature range and for a different increment size.
Processing time on request.
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