Anemometers (Wind Gauges)
MEWPs (except those specifically designed for indoor use) are designed to operate in wind speeds up to a maximum of 12.5 m/s (28 mph) unless marked different on the machine. It is very important to realise that wind speed increases with height, which can be 50% greater at a height of 20 metres above ground level. Operation in wind speeds above the permitted maximum may cause instability.
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