Sensor maintenance

Every month, do a visual/audio inspection of the anemometer at low wind speeds. Verify the propeller and wind vane bearing rotate freely. Inspect the sensor for physical damage.

Replace the anemometer bearings when they become noisy, or the wind speed threshold increases above an acceptable level. The condition of the bearings can be checked by using the Propeller Torque Disc, as described in the R. M. Young manual (see www.youngusa.com/product-category/wind-sensors-accessories ).

The potentiometer has a life expectancy of fifty million revolutions. As it becomes worn, the element can produce noisy signals or become non-linear. Replace the potentiometer when the noise or non-linearity becomes unacceptable. The condition of the vertical shaft (vane) bearings can be checked by using R. M. Young Vane Torque Gauge.